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CheckWeather USBelfast

Belfast weather

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The weather map: all three models at once

NWS, American, European side by side around Belfast 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

Belfast, ME is at its warmest in Jul (average highs near 79°F) and coldest in Feb (lows around 18°F), with roughly 53 in of precipitation across the year. Below, compare what NWS, American, European forecast for Belfast 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.

Belfast climate by month

average daytime high and overnight low across a typical year
Jan
34°
21°
Feb
35°
18°
Mar
42°
27°
Apr
52°
35°
May
64°
46°
Jun
71°
55°
Jul
79°
64°
Aug
74°
60°
Sep
72°
56°
Oct
60°
46°
Nov
46°
33°
Dec
37°
24°

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
89
/100rank #1
87±1.3°F96±1.2 mph8592% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F93±2.2 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.

Common questions

What's the weather in Belfast today?
On this page we show what NWS, American, European each forecast for Belfast 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 Belfast today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Belfast 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 Belfast?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Belfast 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 Belfast?
July is typically the warmest month in Belfast, with average highs around 79°F.
How cold does Belfast get?
The coldest month in Belfast is February, when overnight lows average about 18°F.
How much rain does Belfast get?
Belfast sees roughly 53 in of precipitation a year, with March usually the wettest month.

Nearby

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