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CheckWeather US›Somerville

Somerville weather

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NWSNational Blend (NBM)
65°
Clear
Feels 66° · Wind 2 mph · Humidity 73%
AmericanNOAA GFS
62°
Clear
Feels 62° · Wind 1 mph · Humidity 72%
EuropeanECMWF
64°
Clear
Feels 64° · Wind 6 mph · Humidity 80%

Latest for Somerville: NWS (National Blend (NBM)): 65° Clear · American (NOAA GFS): 62° Clear · European (ECMWF): 64° Clear.

The weather map: all three models at once

NWS, American, European side by side around Somerville 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

Somerville, MA is at its warmest in Jul (average highs near 83°F) and coldest in Feb (lows around 25°F), with roughly 52 in of precipitation across the year. Below, compare what NWS, American, European forecast for Somerville right now, and see exactly where they disagree.

Somerville climate by month

average daytime high and overnight low across a typical year
Jan
40°
27°
Feb
42°
25°
Mar
47°
32°
Apr
56°
40°
May
67°
49°
Jun
76°
59°
Jul
83°
67°
Aug
78°
63°
Sep
73°
58°
Oct
64°
48°
Nov
51°
36°
Dec
42°
30°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
Behind Apple Weather, Windy
88
/100rank #1
85±1.5°F96±1.2 mph8592% hitECMWF — European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
Behind Windy & many free apps
74
/100rank #2
82±1.8°F92±2.6 mph5374% 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 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.

Common questions

What's the weather in Somerville today?
On this page we show what NWS, American, European each forecast for Somerville 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 Somerville today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Somerville 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 Somerville?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Somerville forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Somerville?
Jul is typically the warmest month in Somerville, with average highs around 83°F.
How cold does Somerville get?
The coldest month in Somerville is Feb, when overnight lows average about 25°F.
How much rain does Somerville get?
Somerville sees roughly 52 in of precipitation a year, with Mar usually the wettest month.

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.

NWSNational Weather Service
Open model · shown above ✓AWAccuWeather
Closed model · open ↗↗TWCThe Weather Channel
Closed model · open ↗↗

Nearby

Spring HillUnion SquareWinter HillEast SomervilleTen HillsCambridgeMid-CambridgeWest Somerville/Davis Square

More US weather

Most accurate forecastUS rain radarAll US citiesHoliday weather abroadThe European model vs the American model: ECMWF vs GFSThe national forecast models, explained: NBM, UKMO, GEM and ACCESS