30YearWeather
Boston, May 26
Boston street view during May
Historical Weather Analysis

Boston Weather on May 26 — Best Time to Visit?

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

cloudy

21.6°C

High

11.4°C

Low

21%

Rain

☀️ Feels like 21.8°C

partly-cloudy-day
YES, GOOD CHOICE
HolidayPeak Season

May 26 is generally a great time to visit Boston. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 22°C weather. Expect a bustling atmosphere in Boston right now—this is when the city truly comes alive with visitors. Note: May 26 is Memorial Day in Boston, so expect special events, closures, and festive atmosphere.

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 May 26

"Mild & Comfortable. Expect average highs of 21.6°C. 21% chance of rain."

What to Wear in Boston in May

Based on historical data for May 26, Boston typically experiences temperatures between 11.4°C and 21.6°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (21% 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

  • Light Jacket
  • Long Pants

Average High

extreme-hot

21.6°C

Daytime Peak

Average Low

extreme-cold

11.4°C

Nighttime Low

Feels Like

partly-cloudy-day

21.8°C

☀️ Feels accurate

Rain Chance

rain

21%

Avg 1.3mm if it rains

Cloud Cover

cloudy

63%

Overcast

Pressure

pressure

1015.9 hPa

Medium volatility

Boston Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

61%Moderately Predictable

Based on 10 years of data

Temperature
±5.6°CVariable
Precipitation
11-32%Predictable

~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

4.6Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

04:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 17 min to burn

Type III-IV

🟡 26 min to burn

Type V-VI

🟢 43 min to burn

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

Outdoor Comfort

How pleasant is it outside?

85Excellent
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

16.1°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
14.1°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.47m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Holiday

Memorial Day

Flight Traffic

High

95/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~643

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Boston

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

04:14

☀️ Noon

11:42

🌇 Sunset

19:10

⏱️ Daylight

14h 55m

Golden Hour
Morning04:14 - 04:56
18:29 - 19:10Evening

Wind Speed

wind

18.5 km/h

Gentle breeze

Sunshine

clear-day

10.3 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

83/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1015.9 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

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 May 26 averages 21.6°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 96/100."

— 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
2021
34°C
Coldest
2023
7.5°C
Rainiest
2017
19.0mm

Compare Other Cities

Same date (May 26) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Boston Worth Visiting on May 26?

Planning a trip to Boston on May 26? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 21.6°C with a 21% historical precipitation risk.

🎉 Local Event: The date coincides with Memorial Day, which may influence local business hours and event availability.

✈️ Travel Logistics: Approximately 643 landing slots available daily during this period, indicating peak tourist activity.

🌊 Coastal Conditions: Water temperature averages 14.1°C (polar plunge). Wave conditions are generally lake-like with heights around 0.47m.

📊 Historical Extremes: The hottest May 26 recorded in the last 30 years saw temperatures hit 34°C in 2021, while the coldest dropped to 7.5°C in 2023.

Boston Weather FAQ