Yarn Weight #4 (Medium, Worsted or Afghan) Crochet Patterns

This is an archive of our free and exclusive crochet patterns using medium-weight yarn (classified as #4). The medium weight also includes yarns that are labeled as worsted, afghan and aran. This weight of yarn is usually crocheted using the US hook sizes of I-9 to K-10 1/2 and the metric sizes of 5.5 – 6.5 mm. Medium weight yarn is perfect for summer blanket throws, scarves, crochet sweaters and home decor.

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Free Medium Crochet Patterns

These free crochet patterns were all created using various yarn types and brands, but all use the Medium (#4) yarn weight.

  • Abi Washcloth

    Abi Washcloth

    Free Crochet Pattern
    • Skill Level: 1. Basic, 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Wool of the Andes Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Color: Yellow,
  • Granny Stitch Hat

    Granny Stitch Hat

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Color Theory,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet,
  • Daniel Diamond Blanket

    Daniel Diamond Blanket

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Hobbii,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Simple Stitch,
    • Color: Blue, Green,
  • The Lola Easy Oversized Crochet Pullover Sweater

    The Lola Easy Oversized Crochet Pullover Sweater

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Heartland,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Green,
  • Shipka Cardigan

    Shipka Cardigan

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Brown,
  • Alternating Christmas Afghan

    Alternating Christmas Afghan

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Red Heart,
    • Yarn Name: Super Saver,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Half Double Crochet, Slip Stitch,
    • Color: Green, Red, White,
  • Crochet Granny Diamond Beanie

    Crochet Granny Diamond Beanie

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Single Crochet, Single Crochet Two Together, Slip Stitch,
  • The Fall to Winter Crochet Sweater

    The Fall to Winter Crochet Sweater

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Loops and Threads,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Brown, White,
  • Theo Amigurumi No Sew Bunny

    Theo Amigurumi No Sew Bunny

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Single Crochet,
    • Color: Blue, Gray, White, Yellow,
  • Your First Crochet Beginner Sweater Pattern

    Your First Crochet Beginner Sweater Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Caron Yarn,
    • Yarn Name: Caron Cakes,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Half Double Crochet,
    • Color: Blue, Brown,
  • Victoria Easy Chunky Crochet Cardigan

    Victoria Easy Chunky Crochet Cardigan

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Wool-Ease,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Pink, White,
  • Abi Baby Blanket

    Abi Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Knit Picks,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Color: Brown,
  • Flower Granny Bag

    Flower Granny Bag

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Knit Picks, WeCrochet,
    • Yarn Name: Upcycle Alpaca Blend Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Neutral,
  • Franny Granny Poncho

    Franny Granny Poncho

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Knit Picks,
    • Yarn Name: Upcycle Alpaca Blend Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Neutral,
  • Holiday Lace and Mesh Crochet Top

    Holiday Lace and Mesh Crochet Top

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: 24/7 Cotton,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Red,
  • Emerald Opulence Hexagon Crochet Blanket

    Emerald Opulence Hexagon Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 3.5 mm (E-4),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Green, Purple, Red, Yellow,
  • Baroco Placemat

    Baroco Placemat

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobbii,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6.5 mm (K-10.5),
    • Stitches: Tunisian Simple Stitch,
    • Color: Green, Red,
  • Crochet Project Bag Pattern

    Crochet Project Bag Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Pound of Love,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Moss / Linen, Single Crochet,
    • Color: Pink,
  • Easy Crochet Hat for Beginners

    Easy Crochet Hat for Beginners

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Heartland,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Neutral,
  • Tweed Stacking Pumpkins

    Tweed Stacking Pumpkins

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Double Crochet,
    • Color: Brown, Green, Orange,
  • Easy Crochet Winter Scarf Pattern

    Easy Crochet Winter Scarf Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Touch of Alpaca,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6.5 mm (K-10.5),
    • Stitches: Double Crochet, Half Double Crochet,
    • Color: Red,
  • Amigurumi Ghost

    Amigurumi Ghost

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 3.75 mm (F-5),
    • Stitches: Single Crochet, Single Crochet Two Together, Slip Stitch,
    • Color: Green, White,
  • The Foolish Frankenstein

    The Foolish Frankenstein

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: 24/7 Cotton,
    • Yarn Weight: Weight 2 – Fine, Weight 3 – Light, Weight 4 – Medium,
    • Hook Size: 2.75 mm (C-2), 3.25 mm (D-3),
    • Stitches: Front Loop Single Crochet, Single Crochet, Single Crochet Back Loop,
    • Color: Black, Blue, Brown,
  • Apple Crochet Coaster Pattern for Fall

    Apple Crochet Coaster Pattern for Fall

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet, Slip Stitch,
    • Color: Red,
  • Pillow The Owl

    Pillow The Owl

    Free Crochet Pattern
    • Skill Level: 3. Intermediate, 4. Complex,
    • Yarn Brand: Red Heart,
    • Yarn Name: 24/7 Cotton,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 2.75 mm (C-2), 3.25 mm (D-3),
    • Stitches: Double Crochet, Single Crochet, Slip Stitch,
  • Crochet Dog Bed

    Crochet Dog Bed

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Re-Spekt Yarn,
    • Yarn Weight: Weight 3 – Light, Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Single Crochet, Slip Stitch,
    • Color: Brown, Neutral, Variegated,
  • Into The Wild Blanket Pattern

    Into The Wild Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Stylecraft,
    • Yarn Name: Simply Aran,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Neutral,
  • Shelby The Snail Blanket Pattern

    Shelby The Snail Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Stylecraft,
    • Yarn Name: Simply Aran,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet,
    • Color: Neutral,
  • The Heath Crochet Blanket

    The Heath Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Re-Spun,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 9 mm (M/N-13),
    • Stitches: Double Crochet, Single Crochet,
    • Color: White,
  • Cottage Pouffe

    Cottage Pouffe

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Wool of the Andes Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 8 mm (L-11),
    • Stitches: Tunisian Simple Stitch,
    • Color: Brown, Gray, Green, Yellow,
  • Tunisian Crossed Basketweave Cowl

    Tunisian Crossed Basketweave Cowl

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
    • Color: Green, Red,
  • Melissa Throw

    Melissa Throw

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 7 mm,
    • Stitches: Tunisian Simple Stitch,
    • Color: Brown, Neutral,
  • Simple Little Washcloth

    Simple Little Washcloth

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Dishie,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Blue, White,
  • Mustard and Co Tunisian Crochet Blanket

    Mustard and Co Tunisian Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet, Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
    • Color: Blue, Gray, Purple, Yellow,
  • Broken Bricks Cowl

    Broken Bricks Cowl

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Knit Picks,
    • Yarn Name: Wool of the Andes Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
    • Color: Green, Neutral,
  • Modern Colorful Baby Blanket Crochet Pattern

    Modern Colorful Baby Blanket Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Red Heart,
    • Yarn Name: Unforgettable,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Variegated,
  • Textured Bobble Throw

    Textured Bobble Throw

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Caron Yarn,
    • Yarn Name: Simply Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Bobble, Single Crochet,
    • Color: Blue, Pink,
  • Winter Crochet Beanie Pattern

    Winter Crochet Beanie Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Heartland,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Neutral, White,
  • Daydream Square

    Daydream Square

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Color Theory,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Double Crochet Increase, Half Double Crochet, Single Crochet, Slip Stitch Back Loop,
    • Color: Brown, Gray, Pink,
  • Deidra Sweater

    Deidra Sweater

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Knit Picks, WeCrochet,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7), 5 mm (H-8),
    • Stitches: Half Double Crochet, Half Double Crochet Back Loop, Single Crochet, Slip Stitch,
    • Color: Pink,
  • Ahavah Baby Blanket

    Ahavah Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarn and Colors,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Color: Brown, Pink, Variegated, White,
  • Easy Crochet Hot Pads with Handles

    Easy Crochet Hot Pads with Handles

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Neutral,
  • Minty Al Fresco Dining Set

    Minty Al Fresco Dining Set

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarn and Colors,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Tunisian Simple Stitch,
    • Color: Blue, Yellow,
  • Winding Cables Scarf

    Winding Cables Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6.5 mm (K-10.5),
    • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch,
    • Color: Orange,
  • Beginner Crochet Poncho Wrap Pattern

    Beginner Crochet Poncho Wrap Pattern

    Free Crochet Pattern
    • Yarn Brand: Red Heart,
    • Yarn Name: Unforgettable,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet,