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.

  • Astronaut Cuddler

    Astronaut Cuddler

    Free Crochet Pattern
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Single Crochet,
  • Textured Cowl Scarf Crochet Pattern

    Textured Cowl Scarf Crochet Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Mandala,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Single Crochet,
  • Chloe Tabard Top

    Chloe Tabard Top

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Brava Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Half Double Crochet,
    • Color: Gray,
  • Elongated Single Crochet Stitch

    Elongated Single Crochet Stitch

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7), 5 mm (H-8),
    • Stitches: Single Crochet,
    • Color: Neutral,
  • Diamond Crochet Cardigan

    Diamond Crochet Cardigan

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Knit Picks, Lion Brand,
    • Yarn Name: Color Theory,
    • Yarn Weight: Weight 2 – Fine, Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Double Crochet, Front Loop Single Crochet, Single Crochet,
    • Color: Blue, Gray, White,
  • Christmas Pine Tree Crochet Washcloths

    Christmas Pine Tree Crochet Washcloths

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand, Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream, Pima Cotton,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Single Crochet,
    • Color: Neutral,
  • Crochet Infinity Scarf

    Crochet Infinity Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Shell Stitch, Single Crochet,
    • Color: Gray, Variegated, White,
  • Free Crochet Sunflower Pattern

    Free Crochet Sunflower Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Heartland, Skein Tones,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Bobble, Double Crochet, Half Double Crochet, Single Crochet, Triple Crochet,
    • Color: Brown, Yellow,
  • How to Crochet a Cable Stitch

    How to Crochet a Cable Stitch

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Heartland,
    • Yarn Weight: Weight 4 – Medium,
  • The Kimberly Scarf

    The Kimberly Scarf

    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: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Neutral,
  • Crochet Double Waffle Stitch

    Crochet Double Waffle Stitch

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Feels Like Butta,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet,
    • Color: Gray,
  • Peek-A-Boo Beanie

    Peek-A-Boo Beanie

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Caron Yarn,
    • Yarn Name: Simply Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Blue,
  • Simple Pot Scrubber

    Simple Pot Scrubber

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Stitch Soak Scrub,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Slip Stitch,
  • Peek-A-Boo Scarf

    Peek-A-Boo Scarf

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Caron Yarn,
    • Yarn Name: Simply Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Blue,
  • Beaded Scarf

    Beaded Scarf

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Red Heart,
    • Yarn Name: Red Heart Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Green,
  • Cute Labrador Pattern

    Cute Labrador Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Heartland,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Single Crochet,
    • Color: Black, Brown,
  • Crochet Crossbody Bag

    Crochet Crossbody Bag

    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, Slip Stitch,
    • Color: Neutral,
  • Easy Crochet Baby Blanket

    Easy Crochet Baby Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Premier Yarns,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Pink,
  • Sedge Stitch Crochet

    Sedge Stitch Crochet

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Basic Stitch Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
    • Color: Neutral,
  • The Modern Tote Bag

    The Modern Tote Bag

    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, Slip Stitch,
    • Color: Blue, Neutral,
  • Rainbow Double Dot Blanket

    Rainbow Double Dot Blanket

    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: Bobble, Half Double Crochet,
    • Color: Variegated,
  • Half Double Crochet Forest Stitch

    Half Double Crochet Forest Stitch

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Basic Stitch Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Half Double Crochet,
    • Color: Neutral,
  • Colorful Teardrop Baby Blanket Pattern

    Colorful Teardrop Baby Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Red Heart,
    • Yarn Name: Red Heart Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Triple Crochet,
    • Color: Green, Pink, Variegated,
  • Crochet Kitchen Towel Pattern

    Crochet Kitchen Towel Pattern

    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: Half Double Crochet,
    • Color: Gray, White,
  • Crochet Fringe Edging (With Chains!)

    Crochet Fringe Edging (With Chains!)

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Comfy Color Mist,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Single Crochet,
    • Color: Blue,
  • Ocean Breeze Crochet Scarf with Fringe

    Ocean Breeze Crochet Scarf with Fringe

    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), 6 mm (J-10),
    • Stitches: Half Double Crochet Back Loop,
    • Color: Blue,
  • Crochet Laptop Case

    Crochet Laptop Case

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

    Diamond Mosaic Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Rowan,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet Back Loop,
  • Ridged Crochet Fingerless Gloves

    Ridged Crochet Fingerless Gloves

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: WeCrochet,
    • Yarn Name: Comfy Worsted,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7), 5.5 mm (I-9),
    • Stitches: Single Crochet Back Loop,
    • Color: White,
  • The Flora Quilt

    The Flora Quilt

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: WeCrochet,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
  • Crochet Lotus Laptop Case

    Crochet Lotus Laptop Case

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Hobby Lobby,
    • Yarn Name: I Love This Yarn,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Puff, Single Crochet,
    • Color: Pink,
  • Primrose Stitch Baby Blanket

    Primrose Stitch 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: Double Crochet, Half Double Crochet,
    • Color: Pink,
  • Crochet Easy Cowl

    Crochet Easy Cowl

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet,
    • Color: Orange,
  • Lagoon Baby Blanket

    Lagoon 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: Double Crochet, Single Crochet Back Loop,
    • Color: Blue,
  • Stained Glass Ear Warmer

    Stained Glass Ear Warmer

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Red Heart,
    • Yarn Name: Unforgettable,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Half Double Crochet,
    • Color: Variegated,
  • Golden Brown Infinity Scarf

    Golden Brown 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: Double Crochet, Slip Stitch,
    • Color: Brown,
  • Two Tone Ear Warmer

    Two Tone Ear Warmer

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Homespun,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Single Crochet, Single Crochet Back Loop,
    • Color: Gray, Red,
  • Tunisian Crochet Kitchen Towel

    Tunisian Crochet Kitchen Towel

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Hobby Lobby,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6.5 mm (K-10.5),
    • Stitches: Slip Stitch, Tunisian Simple Stitch,
    • Color: Neutral,