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CheckWeather USJames Island

James Island weather

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NWSNational Blend (NBM)
82°
Partly cloudy
Feels 91° · Wind 7 mph · Humidity 88%
AmericanNOAA GFS
81°
Overcast
Feels 90° · Wind 7 mph · Humidity 86%
EuropeanECMWF
80°
Light drizzle
Feels 90° · Wind 3 mph · Humidity 87%

Latest for James Island: NWS (National Blend (NBM)): 82° Partly cloudy · American (NOAA GFS): 81° Overcast · European (ECMWF): 80° Light drizzle.

The weather map: all three models at once

NWS, American, European side by side around James Island 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

James Island is a small town of about 6,000 people in SC, sitting at 32.7°N in a subtropical climate zone. NWS, American, European each forecast James Island with their own physics, so we line all three up and flag where they disagree. Nearby towns include Charleston, Mount Pleasant, North Charleston.

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.

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 James Island today?
On this page we show what NWS, American, European each forecast for James Island 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 James Island today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for James Island 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 James Island?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the James Island forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.

Nearby

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