30YearWeather
Boston, August 14
Boston street view during August
Historical Weather Analysis

Boston Weather on August 14 — Best Time to Visit?

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

cloudy

27.3°C

High

18.6°C

Low

23%

Rain

🔥 Feels like 29.8°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

August 14 is generally a great time to visit Boston. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 27°C weather. Expect a bustling atmosphere in Boston right now—this is when the city truly comes alive with visitors.

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 August 14

"Warm & Sunny. Expect average highs of 27.3°C. 23% chance of rain."

What to Wear in Boston in August

Based on historical data for August 14, Boston typically experiences temperatures between 18.6°C and 27.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (23% 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

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

27.3°C

Daytime Peak

Average Low

extreme-cold

18.6°C

Nighttime Low

Feels Like

partly-cloudy-day

29.8°C

🔥 Feels warmer

Rain Chance

rain

23%

Avg 1.5mm if it rains

Cloud Cover

cloudy

58%

Overcast

Pressure

pressure

1015.2 hPa

Low volatility

Boston Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

95%Highly Predictable

Based on 10 years of data

Temperature
±2.8°CModerate
Precipitation
12-35%Predictable

🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

04:00 - 09:30

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 20 min to burn

Type III-IV

🟡 30 min to burn

Type V-VI

🟢 50 min to burn

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

Outdoor Comfort

How pleasant is it outside?

60Moderate
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

22.2°C

Humid/Sticky

Heat Index

29.8°C

Feels hotter

😐 Best outdoor time:
Morning hours (before 11 AM)

Marine Conditions

Water Temp
19.8°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
0.34m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

High

100/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~676

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Boston

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

04:51

☀️ Noon

11:50

🌇 Sunset

18:49

⏱️ Daylight

13h 57m

Golden Hour
Morning04:51 - 05:30
18:10 - 18:49Evening

Wind Speed

wind

15.9 km/h

Gentle breeze

Sunshine

clear-day

10.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

74%

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

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1015.2 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

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 August 14 averages 27.3°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 97/100."

— 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
2016
34.1°C
Coldest
2022
14.8°C
Rainiest
2025
4.4mm

Compare Other Cities

Same date (August 14) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Boston Worth Visiting on August 14?

Planning a trip to Boston on August 14? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.3°C with a 23% historical precipitation risk.

✈️ Travel Logistics: Approximately 676 landing slots available daily during this period, indicating peak tourist activity.

🌊 Coastal Conditions: Water temperature averages 19.8°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.34m.

📊 Historical Extremes: The hottest August 14 recorded in the last 30 years saw temperatures hit 34.1°C in 2016, while the coldest dropped to 14.8°C in 2022.

Boston Weather FAQ