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Boston weather

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The weather map: all three models at once

NWS, American, European side by side around Boston and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

7-day forecast

where the models agree, and where they split

Boston, MA. Below we compare what NWS, American, European forecast for Boston right now and flag exactly where they disagree, then break down Boston's weather month by month and which forecast model has been most accurate here.

Boston weather by month

what to expect in Boston through the year

Here is Boston's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Boston by season.

Jan
40°
27°
Cool
Wettest
Feb
42°
25°
Cool
Mar
47°
32°
Cool
Apr
57°
40°
Cool
May
68°
49°
Mild
Jun
77°
59°
Warm
Jul
84°
68°
Warm
Aug
79°
63°
Warm
Sep
73°
58°
Warm
Oct
64°
48°
Mild
Nov
51°
36°
Cool
Dec
43°
30°
Cool

What Boston's weather is like through the year

Boston runs from warm summers, with July highs near 84°F, to cold winters, when February lows sit around 25°F (a swing of about 59°F across the year). January is usually the wettest month, and Boston sees roughly 51 inches of precipitation annually. Overnight lows stay below freezing across 3 months (January, February and December), so Boston sees regular winter snowfall.

Best time to visit Boston

The most comfortable time to visit Boston is usually May, June, September and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest January rain is behind you.

Which forecast is most accurate in Boston?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
Behind Windy & many free apps
79
/100rank #1
88±1.2°F93±2.0 mph5877% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
Behind Apple Weather, Windy
77
/100rank #2
91±0.9°F97±1.0 mph4771% hitECMWF — European Centre for Medium-Range Weather ForecastsReading, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.

Bottom line: over the last 30 days the American model has been the most accurate forecast for Boston, scoring 79/100 on our CheckWeather Score, ahead of the European at 77. See the full US accuracy scoreboard for exactly how every model is tested.

Common questions

What's the weather in Boston today?
On this page we show what NWS, American, European each forecast for Boston today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Boston today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Boston and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Boston?
Over the last 30 days, the American model has been the most accurate for Boston (CheckWeather Score 79/100), ahead of the European at 77. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Boston?
July is typically the warmest month in Boston, with average highs around 84°F.
How cold does Boston get?
The coldest month in Boston is February, when overnight lows average about 25°F.
How much rain does Boston get?
Boston sees roughly 51 in of precipitation a year, with January usually the wettest month.
When is the best time to visit Boston?
The most comfortable time to visit Boston is usually May, June, September and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest January rain is behind you.
Does it snow in Boston?
Yes — overnight lows fall below freezing across 3 months (January, February and December) in Boston, so winter snowfall is common.

The forecasts Americans check

The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.

Nearby

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