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Wellesley weather

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The weather map: all three models at once

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

consensus of the three models

14-day forecast

where the models agree, and where they split

Wellesley, MA is at its warmest in Jul (average highs near 84°F) and coldest in Feb (lows around 25°F), with roughly 53 in of precipitation across the year. Below, compare what NWS, American, European forecast for Wellesley right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Wellesley climate by month

average daytime high and overnight low across a typical year
Jan
40°
27°
Feb
43°
25°
Mar
48°
31°
Apr
59°
40°
May
69°
48°
Jun
78°
58°
Jul
84°
67°
Aug
80°
62°
Sep
74°
57°
Oct
65°
47°
Nov
51°
35°
Dec
43°
29°

Which forecast is most accurate in Wellesley?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
97
/100rank #1
94±0.6°F97±0.8 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
72
/100rank #2
83±1.7°F95±1.7 mph4268% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Common questions

What's the weather in Wellesley today?
On this page we show what NWS, American, European each forecast for Wellesley 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 Wellesley today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Wellesley 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 Wellesley?
Over the last 30 days, the European model has been the most accurate for Wellesley (CheckWeather Score 97/100), ahead of the American at 72. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Wellesley?
July is typically the warmest month in Wellesley, with average highs around 84°F.
How cold does Wellesley get?
The coldest month in Wellesley is February, when overnight lows average about 25°F.
How much rain does Wellesley get?
Wellesley sees roughly 53 in of precipitation a year, with March usually the wettest month.

Nearby

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