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CheckWeather USCharleston
Forecast confidence: High · models disagree by 0°F

Charleston weather

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Showers,rain likely tomorrow

NWS, the American and the European model agree on a high near 88° in Charleston today. Tomorrow looks rain around 84°, with a 33% chance of rain.

88°72°
84°69°
86°66°
89°64°
91°68°
86°70°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±12°
NWSNational Blend (NBM)
75°
Clear
Feels 80° · Wind 5 mph · Humidity 77%
AmericanNOAA GFS
76°
Clear
Feels 77° · Wind 4 mph · Humidity 56%
EuropeanECMWF
76°
Clear
Feels 78° · Wind 6 mph · Humidity 65%

Latest for Charleston: NWS (National Blend (NBM)): 75° Clear · American (NOAA GFS): 76° Clear · European (ECMWF): 76° Clear.

The weather map: all three models at once

NWS, American, European side by side around Charleston 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
Showers
88° 72°
models agree
Tomorrow
Rain
84° 69°
models agree
Mon
Fog
86° 66°
models agree
Tue
Cloudy
89° 64°
models agree
Wed
Mostly clear
91° 68°
models agree
Thu
Drizzle
86° 70°
±12°
Fri
Light drizzle
83° 65°
±8°
Sat
Light drizzle
88° 62°
±8°
Sun
Light drizzle
90° 68°
±5°
Mon
Light drizzle
85° 66°
±21°
Tue
Light drizzle
81° 61°
±20°
Wed
Drizzle
75° 55°
models agree
Thu
Cloudy
72° 53°
±8°
Fri
Light drizzle
74° 58°
models agree

Charleston, WV is at its warmest in Jul (average highs near 86°F) and coldest in Jan (lows around 31°F), with roughly 43 in of precipitation across the year. Below, compare what NWS, American, European forecast for Charleston 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.

Charleston climate by month

average daytime high and overnight low across a typical year
Jan
46°
31°
Feb
55°
34°
Mar
58°
37°
Apr
68°
46°
May
75°
55°
Jun
82°
61°
Jul
86°
67°
Aug
84°
65°
Sep
79°
60°
Oct
69°
49°
Nov
59°
40°
Dec
50°
34°

Which forecast is most accurate in Charleston?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
90
/100rank #1
85±1.5°F98±0.6 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
56
/100rank #2
78±2.2°F93±2.2 mph548% 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
Todaymodels agree87° to 88°±53%47% to 100% chance
Tomorrow±3°83° to 86°±25%8% to 33% chance
Mon±1°85° to 87°±13%3% to 16% chance
Tue±2°88° to 90°±21%0% to 21% chance
Wedmodels agree91° to 91°±10%4% to 14% 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 Charleston

today, local time
Sunrise
06:59
Sunset
19:50
Daylight
12h 51m

Common questions

What's the weather in Charleston today?
On this page we show what NWS, American, European each forecast for Charleston 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 Charleston today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Charleston 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 Charleston?
Over the last 30 days, the European model has been the most accurate for Charleston (CheckWeather Score 90/100), ahead of the American at 56. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Charleston?
July is typically the warmest month in Charleston, with average highs around 86°F.
How cold does Charleston get?
The coldest month in Charleston is January, when overnight lows average about 31°F.
How much rain does Charleston get?
Charleston sees roughly 43 in of precipitation a year, with August usually the wettest month.

Nearby

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