July 17 is generally a great time to visit Boston. While there is a slight chance of rain (33%), showers are usually brief. Expect comfortable 29°C weather. Boston is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Boston
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 July 17
"Warm & Sunny. Expect average highs of 29°C. 33% chance of rain."
What to Wear in Boston in July
Based on historical data for July 17, Boston typically experiences temperatures between 19.7°C and 29°C. We recommend packing t-shirt, light clothing, 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 Boston
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
29°C
Daytime Peak
Average Low
19.7°C
Nighttime Low
Feels Like
33.5°C
🔥 Feels warmer
Rain Chance
33%
Avg 1.7mm if it rains
Cloud Cover
57%
Overcast
Pressure
1014 hPa
Medium volatility
Boston Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 80% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
23.9°C
Humid/Sticky
Heat Index
33.5°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
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
96/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~650
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Boston
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:23
☀️ Noon
11:51
🌇 Sunset
19:19
⏱️ Daylight
14h 55m
Wind Speed
16.1 km/h
Gentle breeze
Sunshine
11.3 hrs
Direct Sun (Cloud-free)
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
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
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, Boston on July 17 averages 29°C with a 33% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Boston Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
July 21
28.8°C • 21% rain
Score
96
July 22
28.5°C • 23% rain
Score
96
July 11
27.4°C • 28% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (July 17) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Boston Worth Visiting on July 17?
Planning a trip to Boston on July 17? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29°C with a 33% historical precipitation risk.
✈️ Travel Logistics: Approximately 650 landing slots available daily during this period, indicating peak tourist activity.
🌊 Coastal Conditions: Water temperature averages 19.5°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.33m.
📊 Historical Extremes: The hottest July 17 recorded in the last 30 years saw temperatures hit 33.8°C in 2024, while the coldest dropped to 15.1°C in 2020.