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.

Mustard and Co Tunisian Crochet Blanket

Mustard and Co Tunisian Crochet Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Single Crochet, Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
  • Color: Blue, Gray, Purple, Yellow,
Broken Bricks Cowl

Broken Bricks Cowl

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Knit Picks,
  • Yarn Name: Wool of the Andes Worsted,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
  • Color: Green, Neutral,
Modern Colorful Baby Blanket Crochet Pattern

Modern Colorful Baby Blanket Crochet Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Red Heart,
  • Yarn Name: Unforgettable,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Single Crochet,
  • Color: Variegated,
Textured Bobble Throw

Textured Bobble 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, Pink,
Winter Crochet Beanie Pattern

Winter Crochet Beanie Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Heartland,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Neutral, White,
Daydream Square

Daydream Square

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Color Theory,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Double Crochet Increase, Half Double Crochet, Single Crochet, Slip Stitch Back Loop,
  • Color: Brown, Gray, Pink,
Deidra Sweater

Deidra Sweater

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Knit Picks, WeCrochet,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4.5 mm (7), 5 mm (H-8),
  • Stitches: Half Double Crochet, Half Double Crochet Back Loop, Single Crochet, Slip Stitch,
  • Color: Pink,
Ahavah Baby Blanket

Ahavah Baby Blanket

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Yarn and Colors,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Color: Brown, Pink, Variegated, White,
Easy Crochet Hot Pads with Handles

Easy Crochet Hot Pads with Handles

Free Crochet Pattern
  • Skill Level: 1. Basic,
  • Yarn Brand: Yarnspirations,
  • Yarn Name: Lily Sugar’n Cream,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet,
  • Color: Neutral,
Minty Al Fresco Dining Set

Minty Al Fresco Dining Set

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Yarn and Colors,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Tunisian Simple Stitch,
  • Color: Blue, Yellow,
Winding Cables Scarf

Winding Cables Scarf

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6.5 mm (K-10.5),
  • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch,
  • Color: Orange,
Beginner Crochet Poncho Wrap Pattern

Beginner Crochet Poncho Wrap Pattern

Free Crochet Pattern
  • Yarn Brand: Red Heart,
  • Yarn Name: Unforgettable,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Double Crochet,
Pom Pom Egg Warmer Cozy

Pom Pom Egg Warmer Cozy

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Single Crochet,
  • Color: Blue, Neutral,
Your Easy Guide to Crocheting a Triangle

Your Easy Guide to Crocheting a Triangle

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Heartland,
  • Yarn Weight: Weight 4 – Medium,
  • Stitches: Single Crochet,
  • Color: Neutral,
Crochet Farmer’s Market Bag

Crochet Farmer’s Market Bag

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: 24/7 Cotton,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6),
  • Stitches: Shell Stitch, Single Crochet, Slip Stitch,
  • Color: Orange,
Rainbow Crochet Blanket Pattern

Rainbow Crochet Blanket Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand, Red Heart,
  • Yarn Name: Pound of Love, Super Saver,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Double Crochet,
  • Color: Variegated,
Big Chubby Bear

Big Chubby Bear

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Paintbox Yarn, Yarn and Colors,
  • Yarn Name: 24/7 Cotton, Simply DK,
  • Yarn Weight: Weight 3 – Light, Weight 4 – Medium,
  • Hook Size: 2.75 mm (C-2), 3.25 mm (D-3), 3.5 mm (E-4),
  • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
  • Color: Blue, Brown, Neutral, White,
Willow Shawl

Willow Shawl

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Double Crochet, Single Crochet, Slip Stitch,
  • Color: Brown, Neutral,
Spiked Sedge Stitch

Spiked Sedge Stitch

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Double Crochet, Half Double Crochet, Single Crochet,
  • Color: Brown,
Easy Crochet Mittens (Free Pattern)

Easy Crochet Mittens (Free Pattern)

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6),
  • Stitches: Half Double Crochet, Single Crochet, Single Crochet Back Loop, Single Crochet Two Together,
  • Color: Neutral,
Crochet Easy Washcloth

Crochet Easy Washcloth

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Knit Picks,
  • Yarn Name: Dishie,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Green, White,
Solstice Scarf

Solstice Scarf

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Wool-Ease,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet Back Loop,
  • Color: Neutral, White,
Easy Crochet Afghan Pattern (8 Sizes)

Easy Crochet Afghan Pattern (8 Sizes)

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Wool-Ease,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Double Crochet, Single Crochet,
  • Color: Neutral,
Asymmetric Crochet Chevron Cowl

Asymmetric Crochet Chevron Cowl

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5.5 mm (I-9),
  • Stitches: Single Crochet, Single Crochet Back Loop, Single Crochet Two Together,
Waffle Stitch Crochet Dishcloth Pattern

Waffle Stitch Crochet Dishcloth Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: We Are Knitters,
  • Yarn Name: The Cotton,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.75 mm (F-5),
  • Stitches: Double Crochet,
  • Color: Pink,
Braided Extended Half Double Crochet

Braided Extended Half Double Crochet

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Half Double Crochet, Slip Stitch,
  • Color: Gray,
Spofforth Sweater

Spofforth Sweater

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: WeCrochet,
  • Yarn Name: Heatherly Worsted,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet, Half Double Crochet Back Loop, Single Crochet, Slip Stitch,
  • Color: Blue,
Tunisian Crochet Washcloth Pattern

Tunisian Crochet Washcloth Pattern

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Hobby Lobby,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6.5 mm (K-10.5),
  • Stitches: Tunisian Purl Stitch, Tunisian Simple Stitch,
  • Color: Neutral, Pink,
Crochet Coaster and Bow

Crochet Coaster and Bow

Free Crochet Pattern
  • Skill Level: 1. Basic,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Single Crochet, Slip Stitch,
Solstice Mittens

Solstice Mittens

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Wool-Ease,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet, Half Double Crochet Back Loop,
  • Color: Neutral, White,
Crochet Heart Crop Top Pattern

Crochet Heart Crop Top Pattern

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6),
  • Stitches: Half Double Crochet, Half Double Crochet Two Together, Single Crochet, Slip Stitch,
Herringbone Backpack

Herringbone Backpack

Free Crochet Pattern
  • Yarn Brand: Paintbox Yarn,
  • Yarn Name: Simply Aran,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4.5 mm (7),
  • Stitches: Half Double Crochet, Herringbone Half Double Crochet, Single Crochet, Slip Stitch,
  • Color: Brown, Neutral,
Crunch Stitch Crochet

Crunch Stitch Crochet

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Half Double Crochet, Slip Stitch,
  • Color: Brown,
Ebun Hat

Ebun Hat

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8), 5.5 mm (I-9),
  • Stitches: Tunisian Knit Stitch, Tunisian Purl Stitch, Tunisian Simple Stitch,
  • Color: Neutral, Pink,
Broadquay Blanket

Broadquay Blanket

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Knit Picks,
  • Yarn Name: Brava Worsted,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet, Half Double Crochet Two Together, Single Crochet, Slip Stitch, Triple Crochet,
  • Color: Brown,
Crossbody Bag

Crossbody Bag

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: For The Home Cording,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Single Crochet, Single Crochet Two Together, Slip Stitch,
Michelle Beanie

Michelle Beanie

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Hobby Lobby,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Half Double Crochet, Puff, Single Crochet,
Michelle Scarf

Michelle Scarf

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Hobby Lobby,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Double Crochet, Half Double Crochet, Puff, Single Crochet,
Crochet Pleated High Waist Baby Skirt

Crochet Pleated High Waist Baby Skirt

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Double Crochet, Single Crochet, Single Crochet Back Loop, Slip Stitch,
Easy Crochet Baby Blanket

Easy Crochet Baby Blanket

Free Crochet Pattern
  • Yarn Name: Brava Worsted,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 5 mm (H-8),
  • Stitches: Half Double Crochet, Slip Stitch,
  • Color: Green, White,
Crochet Adult Slipper Boots Worked Flat

Crochet Adult Slipper Boots Worked Flat

Free Crochet Pattern
  • Skill Level: 1. Basic,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 4 mm (G-6), 5 mm (H-8),
  • Stitches: Double Crochet, Half Double Crochet, Single Crochet, Slip Stitch,
Solstice Fingerless Mitts

Solstice Fingerless Mitts

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Wool-Ease,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet,
  • Color: Neutral, White,
Solstice Winter Hat

Solstice Winter Hat

Free Crochet Pattern
  • Skill Level: 2. Easy,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Wool-Ease,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet,
  • Color: Neutral, White,
Mountain Pine Crochet Tree Blanket

Mountain Pine Crochet Tree Blanket

Free Crochet Pattern
  • Skill Level: 3. Intermediate,
  • Yarn Brand: Lion Brand,
  • Yarn Name: Wool-Ease,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 6 mm (J-10),
  • Stitches: Half Double Crochet,
  • Color: Green, Neutral,
Crochet Baby Booties Worked Flat

Crochet Baby Booties Worked Flat

Free Crochet Pattern
  • Skill Level: 1. Basic,
  • Yarn Weight: Weight 4 – Medium,
  • Hook Size: 3.5 mm (E-4),
  • Stitches: Half Double Crochet, Single Crochet,