October 31 is generally a great time to visit Nantucket. While there is a slight chance of rain (33%), showers are usually brief. Expect comfortable 14°C weather. Lower tourist interest in Nantucket right now translates to better deals and a more local feel.
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Essential Travel Info for Nantucket
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Nantucket Weather Forecast for October 31
"Mild & Comfortable. Expect average highs of 13.8°C. 33% chance of rain."
What to Wear in Nantucket in October
Based on historical data for October 31, Nantucket typically experiences temperatures between 10.7°C and 13.8°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 33% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Nantucket
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
13.8°C
Daytime Peak
Average Low
10.7°C
Nighttime Low
Feels Like
12.9°C
🌤️ Feels accurate
Rain Chance
33%
Avg 2.4mm if it rains
Cloud Cover
60%
Overcast
Pressure
1016.6 hPa
High volatility
Nantucket Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 62 min to burn
Type III-IV
🟡 93 min to burn
Type V-VI
🟢 155 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
9.4°C
Dry air
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
Quiet
23/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~33
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Nantucket
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:11
☀️ Noon
11:25
🌇 Sunset
16:38
⏱️ Daylight
10h 27m
Wind Speed
38.4 km/h
Fresh breeze
Sunshine
6.6 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Nantucket
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Nantucket
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Nantucket on October 31 averages 13.8°C with a 33% precipitation probability. Wedding/Outdoor Event Score: 74/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Nantucket Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 24
14.8°C • 21% rain
Score
82
October 25
14.6°C • 24% rain
Score
81
October 26
14.4°C • 22% rain
Score
81
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Nantucket Worth Visiting on October 31?
Planning a trip to Nantucket on October 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 13.8°C with a 33% historical precipitation risk.
✈️ Travel Logistics: Approximately 33 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest October 31 recorded in the last 30 years saw temperatures hit 18.7°C in 2019, while the coldest dropped to 6.7°C in 2020.