Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather USCohasset

Cohasset weather

Loading live data…

NWSNational Blend (NBM)
63°
Partly cloudy
Feels 58° · Wind 7 mph · Humidity 53%
AmericanNOAA GFS
62°
Overcast
Feels 59° · Wind 6 mph · Humidity 55%
EuropeanECMWF
62°
Overcast
Feels 58° · Wind 5 mph · Humidity 52%

Latest for Cohasset: NWS (National Blend (NBM)): 63° Partly cloudy · American (NOAA GFS): 62° Overcast · European (ECMWF): 62° Overcast.

CheckWeather.io on iPhoneFree. No ads, no account.

Cohasset weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Cohasset…

Cohasset weather in numbers

from 30 years of measured normals

Cohasset swings 54°F across the year, from 82°F highs in July to 28°F lows in February, and January is usually the wettest month in a year that brings about 48 in of precipitation.

Warmest month
July
82°F average high
Coldest month
February
28°F average low
Wettest month
January
48 in a year
Below freezing
2 months
January and February
Comfortable
4 months
May, June, August and September
Residents
7,388
share this forecast

The weather map: all three models at once

NWS, American, European side by side around Cohasset and nearby towns.Live rain radar →
Loading the three model maps…

Cohasset hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

Loading the three models…

Cohasset 10-day forecast, out to 14 days

where the models agree, and where they split

Cohasset, Massachusetts (MA) is at its warmest in Jul (average highs near 82°F) and coldest in Feb (lows around 28°F), with roughly 48 in of precipitation across the year. Below, compare what NWS, American, European forecast for Cohasset 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.

Cohasset climate by month

average daytime high and overnight low across a typical year
Jan
41°
30°
Feb
42°
28°
Mar
46°
34°
Apr
55°
41°
May
65°
50°
Jun
74°
59°
Jul
82°
68°
Aug
77°
64°
Sep
71°
60°
Oct
63°
51°
Nov
51°
39°
Dec
43°
33°

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
88±1.2°F96±1.2 mph8491% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
82±1.8°F93±2.3 mph4972% 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.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Cohasset today?
On this page we show what NWS, American, European each forecast for Cohasset 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 Cohasset today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Cohasset 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 Cohasset?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Cohasset 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 Cohasset?
July is typically the warmest month in Cohasset, with average highs around 82°F.
How cold does Cohasset get?
The coldest month in Cohasset is February, when overnight lows average about 28°F.
How much rain does Cohasset get?
Cohasset sees roughly 48 in of precipitation a year, with January usually the wettest month.

Nearby

More US weather