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.

  • Easy Triple Infinity Scarf

    Easy Triple Infinity Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Mandala,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Single Crochet, Triple Crochet,
  • Blue Waves Hat

    Blue Waves Hat

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Stitches: Single Crochet,
    • Color: Blue, Variegated,
  • Tranquil Blue Rectangular Shawl

    Tranquil Blue Rectangular Shawl

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Mandala,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet,
    • Color: Blue,
  • Tie Dye Easy Crochet Headband

    Tie Dye Easy Crochet Headband

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Mandala,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Single Crochet,
    • Color: Variegated,
  • Blue Bobble Baby Blanket

    Blue Bobble Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Bernat,
    • Yarn Name: Bundle Up,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 3.75 mm (F-5),
    • Stitches: Bobble, Double Crochet,
    • Color: Blue,
  • Warm & Cool Bean Stitch Blanket

    Warm & Cool Bean Stitch Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Caron Yarn,
    • Yarn Name: Caron Cakes,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Color: Blue, Orange,
  • Easy V Stitch Crochet Scarf

    Easy V Stitch Crochet Scarf

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Mandala,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Half Double Crochet,
    • Color: Variegated,
  • Sapphire Haze Crochet Round Doily

    Sapphire Haze Crochet Round Doily

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet, Puff,
    • Color: Blue,
  • Boho Crochet Coasters

    Boho Crochet Coasters

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Dishie,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet,
    • Color: Neutral,
  • Crochet Santa Face Ornament

    Crochet Santa Face Ornament

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet, Single Crochet,
  • Crochet Blanket Shrug

    Crochet Blanket Shrug

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Loops and Threads,
    • Yarn Name: Crème Cotton,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Blue,
  • How To Crochet an Easy Candy Cane

    How To Crochet an Easy Candy Cane

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Single Crochet,
    • Color: Red, White,
  • Crochet Christmas Tree Potholder

    Crochet Christmas Tree Potholder

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobby Lobby,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Single Crochet, Single Crochet Back Loop, Slip Stitch,
    • Color: Green, Neutral, Red,
  • Cozy Cotton Crochet Throw

    Cozy Cotton Crochet Throw

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Loops and Threads,
    • Yarn Name: Crème Cotton,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Puff, Single Crochet,
    • Color: Neutral,
  • Crochet Granny Square Body Pillow

    Crochet Granny Square Body Pillow

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Hobby Lobby,
    • Yarn Name: I Love This Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet,
    • Color: White,
  • Modern Double Thick Crochet Potholders

    Modern Double Thick Crochet Potholders

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Dishie,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Single Crochet, Single Crochet Back Loop, Slip Stitch,
    • Color: Neutral,
  • Easy Crochet Autumn Scarf

    Easy Crochet Autumn Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Variegated,
  • Rustic Crochet Dishcloths

    Rustic Crochet Dishcloths

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Dishie,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Orange, White,
  • Simple Crochet Blanket

    Simple Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Loops and Threads,
    • Yarn Name: Crème Cotton,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Single Crochet,
    • Color: White,
  • Ice Cream Cone Potholder

    Ice Cream Cone Potholder

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
  • Textured Crochet Afghan Pattern (+7 Sizes!)

    Textured Crochet Afghan Pattern (+7 Sizes!)

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Pound of Love,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: White,
  • Spill the Beans Crochet Pillow

    Spill the Beans Crochet Pillow

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobby Lobby,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Puff,
    • Color: Variegated,
  • Beach Vibes Crochet Bottle Holder

    Beach Vibes Crochet Bottle Holder

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Nuboo,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Single Crochet, Single Crochet Back Loop,
  • Summer Leaves Triangle Scarf

    Summer Leaves Triangle Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Loops and Threads,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Double Crochet, Triple Crochet,
    • Color: Yellow,
  • Widcombe C2C Crochet Hat

    Widcombe C2C Crochet Hat

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Wool of the Andes Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Half Double Crochet,
    • Color: Black, White,
  • Pebbles and Stars Beach Throw

    Pebbles and Stars Beach 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, Red,
  • Winding Cables Hat

    Winding Cables Hat

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Tunisian Knit Stitch, Tunisian Simple Stitch,
    • Color: Yellow,
  • Pumpkin Spice Doily Potholder

    Pumpkin Spice Doily Potholder

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet,
    • Color: Green, Orange,
  • Ruffled Mini Flower Doily

    Ruffled Mini Flower Doily

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet, Slip Stitch,
    • Color: Pink,
  • Cowl Neck Poncho Sweater

    Cowl Neck Poncho Sweater

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Half Double Crochet Back Loop, Moss / Linen, Single Crochet,
    • Color: Blue,
  • Two Shades Ombre Crochet Doily

    Two Shades Ombre Crochet Doily

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet,
    • Color: Gray, White,
  • Bat Scrubby

    Bat Scrubby

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Red Heart,
    • Yarn Name: Scrubby,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Half Double Crochet, Single Crochet,
  • Easy Infinity Scarf

    Easy Infinity Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: White,
  • Crochet Ghost Halloween C2C Blanket Pattern

    Crochet Ghost Halloween C2C Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Pound of Love, Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Gray,
  • Taco Scrubby

    Taco Scrubby

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet, Puff, Single Crochet,
    • Color: Green, Red, Yellow,
  • Slot Machine Pillow

    Slot Machine Pillow

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Red Heart,
    • Yarn Name: Super Saver,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Single Crochet,
    • Color: Black, Red, White, Yellow,
  • Blessed Three Star Coaster

    Blessed Three Star Coaster

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Tunisian Knit Stitch,
  • Zebra Coin Purse

    Zebra Coin Purse

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Single Crochet,
    • Color: Black, Variegated,
  • Bald Eagle Potholder

    Bald Eagle Potholder

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Brown, White, Yellow,
  • London Phone Booth Scarf

    London Phone Booth Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Red Heart,
    • Yarn Name: Super Saver,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet,
    • Color: Black, Red, White, Yellow,
  • Apple Watch Cover

    Apple Watch Cover

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobby Lobby,
    • Yarn Name: I Love This Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 3.5 mm (E-4),
    • Stitches: Single Crochet,
    • Color: Green, Red,
  • Walcot Beanie Crochet Pattern

    Walcot Beanie Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9), 6 mm (J-10),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Gray,