30YearWeather
Boston, November 20
Boston street view during November
Historical Weather Analysis

Boston Weather on November 20 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

8.8°C

High

0.9°C

Low

22%

Rain

❄️ Feels like 6°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE

November 20 is generally a great time to visit Boston. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 9°C weather. Boston is seeing high visitor numbers, so iconic spots may be busier than usual.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

Greater Boston uses10-digit dialing. Th...

Safety

Moderate Safety

GPI: 2.44

Boston Weather Forecast for November 20

"Mild & Comfortable. Expect average highs of 8.8°C. 22% chance of rain."

What to Wear in Boston in November

Based on historical data for November 20, Boston typically experiences temperatures between 0.9°C and 8.8°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Boston

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

8.8°C

Daytime Peak

Average Low

extreme-cold

0.9°C

Nighttime Low

Feels Like

partly-cloudy-day

6°C

❄️ Slightly colder

Rain Chance

rain

22%

Avg 1.1mm if it rains

Cloud Cover

cloudy

53%

Overcast

Pressure

pressure

1017.8 hPa

High volatility

Boston Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

84%Highly Predictable

Based on 10 years of data

Temperature
±3.9°CModerate
Precipitation
11-33%Predictable

🎯 This date historically delivers consistent weather 84% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.4Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 200 min to burn

Type III-IV

🟡 300 min to burn

Type V-VI

🟢 500 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

56Moderate
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

3.8°C

Dry air

Heat Stress

Low

No heat warning

😐 Best outdoor time:
Midday (11 AM - 3 PM) when warmest

Marine Conditions

Water Temp
9.2°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.58m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

Busy

63/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~424

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Boston

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:42

☀️ Noon

11:31

🌇 Sunset

16:20

⏱️ Daylight

9h 37m

Golden Hour
Morning06:42 - 07:25
15:37 - 16:20Evening

Wind Speed

wind

19.1 km/h

Gentle breeze

Sunshine

clear-day

6.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

71%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Boston

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 Boston

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

82/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1017.8 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

Air Quality Forecast
39AQI
Good
PM2.5 Concentration10.7 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
Moderate

Atlantic Hurricane Risk

Season: Jun - Nov

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Boston on November 20 averages 8.8°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 57/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Boston Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2020
15.3°C
Coldest
2023
-3.1°C
Rainiest
2018
12.0mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (November 20) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Boston Worth Visiting on November 20?

Planning a trip to Boston on November 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 8.8°C with a 22% historical precipitation risk.

✈️ Travel Logistics: Approximately 424 landing slots available daily during this period, indicating peak tourist activity.

🌊 Coastal Conditions: Water temperature averages 9.2°C (polar plunge). Wave conditions are generally fun waves with heights around 0.58m.

📊 Historical Extremes: The hottest November 20 recorded in the last 30 years saw temperatures hit 15.3°C in 2020, while the coldest dropped to -3.1°C in 2023.

Boston Weather FAQ