Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USWeymouth
Forecast confidence: High · models disagree by 2°F

Weymouth weather

Loading live data…

Light drizzle,rain likely tomorrow

NWS, the American and the European model agree on a high near 70° in Weymouth today. Tomorrow looks heavy drizzle around 67°, with a 90% chance of rain.

70°62°
67°59°
77°55°
79°61°
77°62°
78°67°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±11°
NWSNational Blend (NBM)
69°
Light drizzle
Today 69°·Low 62°·Rain 14%
AmericanNOAA GFS
71°
Cloudy
Today 71°·Low 60°·Rain 14%
EuropeanECMWF
69°
Light drizzle
Today 69°·Low 63°·Rain 86%

The weather map: all three models at once

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

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Light drizzle
70° 62°
models agree
Tomorrow
Heavy drizzle
67° 59°
models agree
Mon
Clear
77° 55°
models agree
Tue
Partly cloudy
79° 61°
models agree
Wed
Partly cloudy
77° 62°
models agree
Thu
Partly cloudy
78° 67°
±11°
Fri
Cloudy
77° 62°
±10°
Sat
Mostly clear
77° 60°
±8°
Sun
Partly cloudy
80° 62°
±9°
Mon
Light drizzle
82° 65°
±10°
Tue
Drizzle
75° 62°
±11°
Wed
Light drizzle
75° 61°
±11°
Thu
Cloudy
67° 58°
models agree
Fri
Cloudy
66° 57°
models agree

Weymouth, MA is at its warmest in Jul (average highs near 84°F) and coldest in Feb (lows around 26°F), with roughly 50 in of precipitation across the year. Below, compare what NWS, American, European forecast for Weymouth 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.

Weymouth climate by month

average daytime high and overnight low across a typical year
Jan
41°
29°
Feb
42°
26°
Mar
47°
33°
Apr
57°
41°
May
68°
50°
Jun
76°
59°
Jul
84°
68°
Aug
79°
63°
Sep
73°
59°
Oct
64°
49°
Nov
51°
37°
Dec
43°
31°

Which forecast is most accurate in Weymouth?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
91±0.9°F97±1.0 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
69
/100rank #2
82±1.8°F95±1.5 mph3665% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°69° to 71°±72%14% to 86% chance
Tomorrow±3°66° to 68°±39%51% to 90% chance
Mon±1°77° to 78°±1%1% to 2% chance
Tue±2°78° to 80°±17%1% to 18% chance
Wed±2°75° to 77°±1%23% to 24% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Weymouth

today, local time
Sunrise
06:13
Sunset
19:11
Daylight
12h 58m

Common questions

What's the weather in Weymouth today?
On this page we show what NWS, American, European each forecast for Weymouth 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 Weymouth today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Weymouth 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 Weymouth?
Over the last 30 days, the European model has been the most accurate for Weymouth (CheckWeather Score 92/100), ahead of the American at 69. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Weymouth?
July is typically the warmest month in Weymouth, with average highs around 84°F.
How cold does Weymouth get?
The coldest month in Weymouth is February, when overnight lows average about 26°F.
How much rain does Weymouth get?
Weymouth sees roughly 50 in of precipitation a year, with January usually the wettest month.

Nearby

More US weather