Boston (MA)
July
Weather in Boston, Massachusetts for July 2025
Your guide to Boston weather in July - trends and predictions
Heat Advisory - See hour by hour.
Until now, July 2025 in Boston is slightly cooler than the historical average by -1.1 °F.
Expect cooler weather in the next days in Boston with the forecast suggesting a temperature of 27.7 °F, lower than the historical average.
In general, the average temperature in Boston at the beginning of July is 26.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 28 °F by the end of July.
Boston experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 132.7 mm.
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Temperatures
Rain 🌧️
More
7
Dry days
24
Rainy days
0
Snow days
27°/18°
Temperatures
16 km/h
Avg max wind
73 %
Avg humidity
Boston Weather July
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Temperatures trend during July in Boston
See the weather trend as well as the moving average line
July weather in Boston day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Heavy rain at times | 27° /17° | 2.6 mm | 6 | |
| Jul. 2 |  Moderate or heavy rain shower | 25° /17° | 7.4 mm | 6 | |
| Jul. 3 | Heavy rain at times | 27° /17° | 7.2 mm | 6 | |
| Jul. 4 |  Patchy rain possible | 24° /15° | 4.9 mm | 5 | |
| Jul. 5 | Patchy rain possible | 26° /17° | 1.3 mm | 6 | |
| Jul. 6 | Patchy rain possible | 29° /19° | 3.7 mm | 6 | |
| Jul. 7 | Patchy rain possible | 29° /20° | 0.2 mm | 7 | |
| Jul. 8 |  Overcast | 28° /18° | 25.4 mm | 6 | |
| Jul. 9 | Moderate or heavy rain shower | 24° /18° | 18.2 mm | 5 | |
| Jul. 10 | Moderate or heavy rain shower | 23° /17° | 6.1 mm | 5 | |
| Jul. 11 | Patchy rain possible | 28° /17° | 1.9 mm | 6 | |
| Jul. 12 | Patchy rain possible | 28° /19° | 4.2 mm | 6 | |
| Jul. 13 | Overcast | 26° /19° | 4.9 mm | 6 | |
| Jul. 14 | Moderate or heavy rain shower | 28° /19° | 4.6 mm | 6 | |
| Jul. 15 | Overcast | 30° /19° | 3.6 mm | 7 | |
| Jul. 16 | Patchy rain possible | 31° /20° | 10.4 mm | 7 | |
| Jul. 17 | Heavy rain at times | 29° /20° | 5.9 mm | 6 | |
| Jul. 18 | Moderate or heavy rain shower | 27° /19° | 9.2 mm | 6 | |
| Jul. 19 | Overcast | 28° /18° | 0.8 mm | 6 | |
| Jul. 20 | Overcast | 29° /19° | 0.4 mm | 7 | |
| Jul. 21 | Moderate or heavy rain shower | 28° /19° | 4.6 mm | 6 | |
| Jul. 22 |  Partly cloudy | 27° /18° | 0.2 mm | 6 | |
| Jul. 23 | Moderate rain at times | 27° /18° | 1.1 mm | 6 | |
| Jul. 24 | Partly cloudy | 28° /18° | 0.8 mm | 7 | |
| Jul. 25 | Moderate or heavy rain shower | 28° /19° | 5.7 mm | 6 | |
| Jul. 26 | Overcast | 28° /18° | 0 mm | 7 | |
| Jul. 27 |  Sunny | 29° /19° | 0.6 mm | 7 | |
| Jul. 28 | Patchy rain possible | 28° /18° | 0.3 mm | 7 | |
| Jul. 29 | Patchy rain possible | 26° /18° | 8.8 mm | 6 | |
| Jul. 30 | Partly cloudy | 34° /23° | 0 mm | 2.2 | |
| Jul. 31 |  Heavy rain | 23° /16° | 44.1 mm | 1.4 | |
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Important Notice
Our weather forecast for Boston in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Boston forecast closer to your planned date for the most up-to-date weather information.
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Boston in July - FAQ
What are the expected maximum and minimum temperatures in Boston during July?
During July, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Boston during July?
Significant rainfall exceeding 132.7 mm is expected in Boston during July, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Boston during July?
The average wind speed in Boston during July is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Boston
Explore the daily rainfall trends and prepare for Bostons July weather 💧
UV exposure in Boston during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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