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.

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,
Ghost Chair Socks

Ghost Chair Socks

Free Crochet Pattern
  • Skill Level: 1. Basic,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6),
  • Stitches: Single Crochet,
  • Color: White,
Martha’s Retro C2C Crochet Apron

Martha’s Retro C2C Crochet Apron

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Paintbox Yarn,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4.5 mm (7),
  • Color: Pink, Red,
Small Dog Bed Crochet Pattern

Small Dog Bed Crochet Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Caron Yarn,
  • Yarn Name: Caron One Pound,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet,
  • Color: Red,
Snowflake Kitchen Boa

Snowflake Kitchen Boa

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Hobby Lobby,
  • Yarn Name: I Love This Yarn,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6),
  • Stitches: Tunisian Simple Stitch,
  • Color: Blue, White,
Skittles Summer Crochet Poncho

Skittles Summer Crochet Poncho

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Moss / Linen,
  • Color: Variegated,
Gilal Diamond Crochet Throw Blanket

Gilal Diamond Crochet Throw Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 9 mm (M/N-13),
  • Stitches: Tunisian Knit Stitch, Tunisian Simple Stitch,
  • Color: Green,
Crochet Oval Lace Doily

Crochet Oval Lace Doily

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Gray, Yellow,
Outline Flower Crochet Potholder

Outline Flower Crochet Potholder

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6),
  • Stitches: Double Crochet,
  • Color: Pink,
Rainbow Splash Mosaic Blanket

Rainbow Splash Mosaic Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Double Crochet, Single Crochet Back Loop,
  • Color: Variegated,
Crochet Soap Saver

Crochet Soap Saver

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Re-Up,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Single Crochet,
Twisted Chains Cowl

Twisted Chains Cowl

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Hobby Lobby,
  • Yarn Name: I Love This Yarn,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Single Crochet, Triple Crochet,
Textured Puff Stitch Crochet Blanket Pattern

Textured Puff Stitch Crochet Blanket Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Pound of Love,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Puff, Single Crochet,
  • Color: Gray,
Elephant Lovey C2C

Elephant Lovey C2C

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

Wanderers Mosaic Crochet Blanket

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6.5 mm (K-10.5),
  • Stitches: Double Crochet, Single Crochet,
Neon Rainbow Striped Crochet Hat

Neon Rainbow Striped Crochet Hat

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: Herringbone Half Double Crochet, Single Crochet, Single Crochet Back Loop,
  • Color: Variegated,
Crochet Mason Jar Covers

Crochet Mason Jar Covers

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: Double Crochet, Half Double Crochet, Single Crochet,
Cap Sleeve Crochet Top

Cap Sleeve Crochet Top

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: 24/7 Cotton,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4.5 mm (7),
  • Stitches: Herringbone Double Crochet,
  • Color: Purple,
Crochet Baby Easter Chicken Hat

Crochet Baby Easter Chicken Hat

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet, Single Crochet,
  • Color: Yellow,
Easy Crochet Shawl Pattern for Spring

Easy Crochet Shawl Pattern for Spring

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Caron Yarn,
  • Yarn Name: Caron Cakes,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Half Double Crochet,
  • Color: Variegated,
Nina Chunky Poncho Wrap

Nina Chunky Poncho Wrap

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Feels Like Butta,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Gray,
Criss Cross Blanket

Criss Cross Blanket

Free Crochet Pattern
  • Skill Level: 1. Basic,
  • Yarn Brand: Paintbox Yarn,
  • Yarn Name: Simply Aran,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6.5 mm (K-10.5),
  • Stitches: Double Crochet,
  • Color: Blue,
Cozy Rib Stitch Cowl

Cozy Rib Stitch Cowl

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Blue, Gray, Pink,
Braided Blanket Ruana

Braided Blanket Ruana

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Rowan,
  • Yarn Name: Kid Classic,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Blue,
Braided Scarf

Braided Scarf

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Feels Like Butta,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Front Loop Single Crochet,
  • Color: Gray,
Easter Bunny Crochet Baby Hat

Easter Bunny Crochet Baby Hat

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.5 mm (E-4),
  • Stitches: Single Crochet,
Bunny Love Cuddly Amigurumi

Bunny Love Cuddly Amigurumi

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Weight: Weight 4 – Medium,
  • Stitches: Single Crochet,