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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How to Change Colors in Crochet

How to Change Colors in Crochet

Free Crochet Pattern
  • Skill Level: 1. Basic,
  • Yarn Brand: Red Heart,
  • Yarn Name: Red Heart Soft,
  • Yarn Weight: Weight 4 – Medium,
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,