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.

Learn more…

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.

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,
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,