Boston, Massachusetts Weather
Boston weather this week
Over the next 7 days in Boston, daytime highs range from 7°C to 15°C and night-time lows from 0°C to 7°C. The warmest afternoon is likely on Thursday at 15°C, while the coolest night is expected tomorrow night at 0°C. Temperatures trend warmer through the week, rising by about 6°C.
Rain is most likely today, with roughly 4.8 mm forecast in total over the week. Snowfall is in the forecast today; check road conditions before travelling.
Winds stay mostly light this week, peaking at about 22 km/h today. UV levels stay moderate or lower, peaking at 3. Average humidity is a comfortable 68% or so.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Friday) | Slight snow | 8° / 1° | 97% | 4.8 mm | 22 km/h |
| Tomorrow (Saturday) | Overcast | 7° / 0° | 9% | 0.0 mm | 14 km/h |
| Sunday | Overcast | 8° / 0° | 2% | 0.0 mm | 18 km/h |
| Monday | Clear sky | 10° / 3° | 0% | 0.0 mm | 18 km/h |
| Tuesday | Clear sky | 12° / 3° | 0% | 0.0 mm | 12 km/h |
| Wednesday | Partly cloudy | 14° / 5° | 0% | 0.0 mm | 13 km/h |
| Thursday | Overcast | 15° / 7° | 0% | 0.0 mm | 14 km/h |
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Today's outlook for Boston
At 22:00 local time it is 1°C in Boston under clear skies, feeling like -2°C. Today's forecast high is 8°C and the low is 1°C, and the day overall looks snowy. Snow or rain is likely today (97% chance), so dress warmly and expect slippery roads. Winds are blowing at about 8 km/h from the north-west. Humidity is 84%.
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Climate of Boston: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Boston, with average daytime highs around 28°C. January is the coolest, when nights typically fall to about -8°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 35°C, so the seasons feel very different from each other.
The area receives about 1210 mm of rain in a typical year. Most of it falls from March to April, June, October and December, and October is the wettest month at roughly 123 mm.
For outdoor plans and travel, May and July to September usually offer the most comfortable weather in Boston, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 1° | -8° | 80 mm | 88% |
| Feb | 2° | -7° | 86 mm | 87% |
| Mar | 6° | -3° | 110 mm | 82% |
| Apr | 13° | 2° | 107 mm | 79% |
| May | 19° | 8° | 95 mm | 79% |
| Jun | 24° | 14° | 113 mm | 79% |
| Jul | 28° | 17° | 94 mm | 75% |
| Aug | 27° | 17° | 93 mm | 73% |
| Sep | 24° | 13° | 92 mm | 75% |
| Oct | 16° | 7° | 123 mm | 79% |
| Nov | 10° | 1° | 98 mm | 82% |
| Dec | 4° | -4° | 116 mm | 86% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Boston. Values describe typical conditions, not a forecast.
About Boston weather
Boston is one of many towns in Massachusetts's humid continental, coastal New England climate, about 62 km east of Worcester. Before the rains arrive, there's warm summers (June–August). Cooler months mean cold winters (December–February) with regular nor'easter snowstorms. This page shows live, auto-refreshing weather for Boston: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Boston is about 62 km east of Worcester, in Massachusetts.
Boston sees cold winters (December–February) with regular nor'easter snowstorms.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Boston's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Boston, with average daytime highs of about 28°C and nights around 17°C.
The coldest nights come in January, when the average low is about -8°C and daytime highs reach around 1°C. Frost is possible on clear, calm nights.
Boston receives about 1210 mm of rain in a typical year. October is the wettest month at roughly 123 mm, and the main rainy period is March to April, June, October and December.
May and July to September usually offer the most comfortable weather in Boston, with mild daytime temperatures and little rain.
In November Boston typically sees daytime highs near 10°C and lows near 1°C, with about 98 mm of rain over the month and average humidity around 82%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Boston is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Boston's day-to-day weather follows the broader pattern of Massachusetts described above. See the hourly weather forecast or the air quality index for more detail.