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.

  • Patriotic Crochet Pillow Pattern

    Patriotic Crochet Pillow Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5.5 mm (I-9),
    • Stitches: Single Crochet,
    • Color: Blue, Red, White,
  • Bobble Crochet Hot Pad Pattern

    Bobble Crochet Hot Pad Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 3.75 mm (F-5),
    • Stitches: Bobble, Single Crochet,
    • Color: Blue, Red,
  • Free Cozy Crochet Hat Pattern

    Free Cozy Crochet Hat Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 3.75 mm (F-5),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Gray,
  • Extra Long Summer Crochet Scarf Pattern

    Extra Long Summer Crochet Scarf Pattern

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet,
  • Summer Bee Crochet Flower + Bookmark

    Summer Bee Crochet Flower + Bookmark

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Caron Yarn,
    • Yarn Name: Simply Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6.5 mm (K-10.5),
    • Stitches: Half Double Crochet,
    • Color: Yellow,
  • Crochet Blanket Stitch Pattern

    Crochet Blanket Stitch Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Caron Yarn, Red Heart,
    • Yarn Name: Red Heart Soft, Simply Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Blue, Green, Orange, Yellow,
  • Modern Striped Dishcloth Pattern

    Modern Striped Dishcloth Pattern

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 5 mm (H-8),
    • Stitches: Single Crochet,
    • Color: Green, Yellow,
  • Free Chevron Crochet Blanket Pattern

    Free Chevron Crochet Blanket Pattern

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Single Crochet,
    • Color: Neutral,
  • Crochet Mini Bag Pattern

    Crochet Mini Bag Pattern

    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: Single Crochet,
    • Color: Blue,
  • Free Dishcloth Crochet Patterns and Printable Tags

    Free Dishcloth Crochet Patterns and Printable Tags

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4 mm (G-6),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Neutral,
  • Woodland Crochet Baby Blanket

    Woodland Crochet Baby Blanket

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Loops and Threads,
    • Yarn Name: Impeccable,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Single Crochet,
    • Color: Brown, Gray, Green, Orange,
  • Crochet Beverage Cozy Pattern

    Crochet Beverage Cozy Pattern

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Yarnspirations,
    • Yarn Name: Lily Sugar’n Cream,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Half Double Crochet, Slip Stitch,
    • Color: Blue, Yellow,
  • Easy Crochet Wave Stitch Tutorial and Blanket

    Easy Crochet Wave Stitch Tutorial and Blanket

    Free Crochet Pattern
    • Skill Level: 2. Easy,
    • Yarn Brand: Lion Brand,
    • Yarn Name: Vanna’s Choice,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet, Single Crochet,
    • Color: Gray, Pink, Purple,
  • Double Crochet Cluster Blanket

    Double Crochet Cluster Blanket

    Free Crochet Pattern
    • Skill Level: 3. Intermediate,
    • Yarn Brand: Red Heart,
    • Yarn Name: Red Heart Soft,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 6 mm (J-10),
    • Stitches: Double Crochet,
    • Color: Blue, Orange,
  • How to Crochet a Single Crochet Blanket

    How to Crochet a Single Crochet Blanket

    Free Crochet Pattern
    • Skill Level: 1. Basic,
    • Yarn Brand: Red Heart,
    • Yarn Name: Gumdrop,
    • Yarn Weight: Weight 4 – Medium,
    • Hook Size: 4.5 mm (7),
    • Stitches: Single Crochet,
    • Color: Pink, Purple,
  • Striped Chunky Crochet Blanket Pattern

    Striped Chunky Crochet 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: 10 mm (N/P-15),
    • Stitches: Single Crochet,
    • Color: Green,