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.

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,
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,