30YearWeather
Packing for Nantucket
2026 Packing Guide

What to Wear in Nantucket in March

Your complete weather-based packing list derived from 30 years of historical climate data.

March Weather in Nantucket at a Glance

Avg High

5°C

Avg Low

2°C

Rain Risk

26%

💡 Quick Tip:

Warm jacket or wool coat, sweaters, long pants. Layering is key. Pack a compact umbrella or a light rain jacket just in case.

Weekly Packing Breakdown for Nantucket

Week 1Days 1-7
1° - 5°
29% Rain

Warm jacket or wool coat, sweaters, long pants.

Week 2Days 8-15
2° - 5°
23% Rain

Warm jacket or wool coat, sweaters, long pants.

Week 3Days 16-23
2° - 6°
25% Rain

Warm jacket or wool coat, sweaters, long pants.

Week 4Days 24+
4° - 7°
29% Rain

Warm jacket or wool coat, sweaters, long pants.

Essential Packing List for Nantucket in March

Don't leave home without these essentials.

Top Layers

  • Long-sleeve shirts / Base layers
  • Warm Sweater / Fleece
  • Heavy Winter Coat

Bottoms & Shoes

  • Jeans / Heavy Trousers
  • Comfortable Walking Shoes
  • Socks (Wool/Thermal)

Accessories

  • Scarf & Gloves
  • Compact Umbrella

Common Questions about Nantucket Weather in March

What is the weather like in Nantucket in March?

It is cold with average highs of only 5°C. Nights average around 2°C.

Do I need a heavy coat?

Yes, definitely. Temperatures often drop near freezing, so a warm winter coat is essential.

Does it rain often in Nantucket in March?

Rain is relatively rare (26% chance), but a small umbrella is always good to have.

What shoes should I take to Nantucket?

Comfortable walking shoes are the most important item. Sneakers or loafers are perfect.

Can I wear shorts / short sleeves?

No, it's generally too cool. Stick to long pants and layers.