30YearWeather
Boston, June 19
Boston street view during June
Historical Weather Analysis

Boston Weather on June 19 — Best Time to Visit?

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

cloudy

25.6°C

High

15.6°C

Low

23%

Rain

☀️ Feels like 26.5°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
HolidayPeak Season

June 19 is generally a great time to visit Boston. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 26°C weather. As it's peak season for Boston, we recommend booking your stay well in advance to secure the best rates. Note: June 19 is Juneteenth National Independence 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 June 19

"Warm & Sunny. Expect average highs of 25.6°C. 23% chance of rain."

What to Wear in Boston in June

Based on historical data for June 19, Boston typically experiences temperatures between 15.6°C and 25.6°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

25.6°C

Daytime Peak

Average Low

extreme-cold

15.6°C

Nighttime Low

Feels Like

partly-cloudy-day

26.5°C

☀️ Feels accurate

Rain Chance

rain

23%

Avg 1.3mm if it rains

Cloud Cover

cloudy

58%

Overcast

Pressure

pressure

1015 hPa

Medium volatility

Boston Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

63%Moderately Predictable

Based on 10 years of data

Temperature
±5.7°CVariable
Precipitation
12-35%Predictable

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

Sun Exposure

UV Index & Safety Guide

5.3Moderate
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

🔴 15 min to burn

Type III-IV

🟡 23 min to burn

Type V-VI

🟢 38 min to burn

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

Outdoor Comfort

How pleasant is it outside?

71Good
TemperatureWarm
HumidityMuggy
WindBreezy

Dew Point

20.2°C

Humid/Sticky

Heat Stress

Low

No heat warning

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

Marine Conditions

Water Temp
18°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
0.43m
🌊 Lake-like
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Holiday

Juneteenth National Independence Day

Flight Traffic

High

93/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~627

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Boston

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

04:08

☀️ Noon

11:46

🌇 Sunset

19:25

⏱️ Daylight

15h 16m

Golden Hour
Morning04:08 - 04:51
18:42 - 19:25Evening

Wind Speed

wind

16.8 km/h

Gentle breeze

Sunshine

clear-day

11.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

72%

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

90/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1015 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 June 19 averages 25.6°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
2024
35.7°C
Coldest
2022
10.8°C
Rainiest
2022
9.5mm

Compare Other Cities

Same date (June 19) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Boston Worth Visiting on June 19?

Planning a trip to Boston on June 19? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.6°C with a 23% historical precipitation risk.

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

✈️ Travel Logistics: Approximately 627 landing slots available daily during this period, indicating peak tourist activity.

🌊 Coastal Conditions: Water temperature averages 18°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.43m.

📊 Historical Extremes: The hottest June 19 recorded in the last 30 years saw temperatures hit 35.7°C in 2024, while the coldest dropped to 10.8°C in 2022.

Boston Weather FAQ