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

Jamestown weather

Loading live data…

NWSNational Blend (NBM)
71°
Partly cloudy
Feels 70° · Wind 5 mph · Humidity 53%
AmericanNOAA GFS
67°
Overcast
Feels 66° · Wind 7 mph · Humidity 69%
EuropeanECMWF
68°
Overcast
Feels 68° · Wind 6 mph · Humidity 65%

Latest for Jamestown: NWS (National Blend (NBM)): 71° Partly cloudy · American (NOAA GFS): 67° Overcast · European (ECMWF): 68° Overcast.

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

Jamestown weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Jamestown…

Jamestown weather in numbers

from 30 years of measured normals

Jamestown swings 56°F across the year, from 80°F highs in July to 24°F lows in February, and April is usually the wettest month in a year that brings about 44 in of precipitation.

Warmest month
July
80°F average high
Coldest month
February
24°F average low
Wettest month
April
44 in a year
Below freezing
4 months
January, February, March and December
Comfortable
4 months
May, June, August and September
Residents
30,000
share this forecast

The weather map: all three models at once

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

Jamestown 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…

Jamestown 10-day forecast, out to 14 days

where the models agree, and where they split

Jamestown, New York (NY) is at its warmest in Jul (average highs near 80°F) and coldest in Feb (lows around 24°F), with roughly 44 in of precipitation across the year. Below, compare what NWS, American, European forecast for Jamestown 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.

Jamestown climate by month

average daytime high and overnight low across a typical year
Jan
36°
25°
Feb
43°
24°
Mar
46°
28°
Apr
60°
38°
May
69°
47°
Jun
75°
56°
Jul
80°
61°
Aug
76°
59°
Sep
72°
55°
Oct
61°
44°
Nov
48°
34°
Dec
39°
28°

Which forecast is most accurate in Jamestown?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
96
/100rank #1
95±0.5°F97±0.8 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #2
90±1.0°F96±1.1 mph4771% 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 Jamestown today?
On this page we show what NWS, American, European each forecast for Jamestown 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 Jamestown today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Jamestown 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 Jamestown?
Over the last 30 days, the European model has been the most accurate for Jamestown (CheckWeather Score 96/100), ahead of the American at 76. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Jamestown?
July is typically the warmest month in Jamestown, with average highs around 80°F.
How cold does Jamestown get?
The coldest month in Jamestown is February, when overnight lows average about 24°F.
How much rain does Jamestown get?
Jamestown sees roughly 44 in of precipitation a year, with April usually the wettest month.

Nearby

More US weather