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

Winchester weather

Loading live data…

Winchester weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Winchester…

Winchester weather in numbers

from 30 years of measured normals

Winchester swings 62°F across the year, from 92°F highs in July to 30°F lows in January, and September is usually the wettest month in a year that brings about 33 in of precipitation.

Warmest month
July
92°F average high
Coldest month
January
30°F average low
Wettest month
September
33 in a year
Below freezing
1 month
January
Comfortable
3 months
April, May and October
Residents
27,000
share this forecast

The weather map: all three models at once

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

Winchester 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…

Winchester 10-day forecast, out to 14 days

where the models agree, and where they split

Winchester, Virginia (VA) is at its warmest in Jul (average highs near 92°F) and coldest in Jan (lows around 30°F), with roughly 33 in of precipitation across the year. Below, compare what NWS, American, European forecast for Winchester 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.

Winchester climate by month

average daytime high and overnight low across a typical year
Jan
45°
30°
Feb
52°
32°
Mar
56°
36°
Apr
69°
46°
May
75°
53°
Jun
85°
61°
Jul
92°
68°
Aug
87°
65°
Sep
78°
59°
Oct
69°
48°
Nov
56°
38°
Dec
47°
32°

Which forecast is most accurate in Winchester?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
86
/100rank #1
88±1.2°F95±1.5 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #2
84±1.6°F95±1.4 mph5374% 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 Winchester today?
On this page we show what NWS, American, European each forecast for Winchester 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 Winchester today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Winchester 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 Winchester?
Over the last 30 days, the European model has been the most accurate for Winchester (CheckWeather Score 86/100), 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 Winchester?
July is typically the warmest month in Winchester, with average highs around 92°F.
How cold does Winchester get?
The coldest month in Winchester is January, when overnight lows average about 30°F.
How much rain does Winchester get?
Winchester sees roughly 33 in of precipitation a year, with September usually the wettest month.

Nearby

More US weather