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Charlestown weather

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The weather map: all three models at once

NWS, American, European side by side around Charlestown 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

Charlestown, RI is at its warmest in Jul (average highs near 79°F) and coldest in Feb (lows around 28°F), with roughly 57 in of precipitation across the year. Below, compare what NWS, American, European forecast for Charlestown 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.

Charlestown climate by month

average daytime high and overnight low across a typical year
Jan
43°
31°
Feb
43°
28°
Mar
48°
35°
Apr
55°
42°
May
64°
50°
Jun
72°
59°
Jul
79°
68°
Aug
77°
65°
Sep
72°
60°
Oct
64°
51°
Nov
53°
39°
Dec
45°
33°

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 Charlestown today?
On this page we show what NWS, American, European each forecast for Charlestown 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 Charlestown today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Charlestown 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 Charlestown?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Charlestown 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 Charlestown?
July is typically the warmest month in Charlestown, with average highs around 79°F.
How cold does Charlestown get?
The coldest month in Charlestown is February, when overnight lows average about 28°F.
How much rain does Charlestown get?
Charlestown sees roughly 57 in of precipitation a year, with January usually the wettest month.

Nearby

South KingstownWakefield-PeacedaleHopkintonKingstonWesterlyPawcatuckNarragansettExeter

More US weather

Which forecast is most accurate in United States?US rain radarNWS vs American vs European: models comparedHow we measure forecast accuracyHow accurate is a 7-day forecast?Best time to visit CharlestownAll US citiesHoliday weather abroadEmbed Charlestown on your siteThe national forecast models, explained: NBM, UKMO, GEM and ACCESS