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CheckWeather USFort Mill

Fort Mill weather

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Fort Mill weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Fort Mill weather in numbers

from 30 years of measured normals

Fort Mill swings 52°F across the year, from 90°F highs in July to 38°F lows in January, and August is usually the wettest month in a year that brings about 45 in of precipitation.

Warmest month
July
90°F average high
Coldest month
January
38°F average low
Wettest month
August
45 in a year
Below freezing
Never
overnight lows stay above 32°F
Comfortable
4 months
February, March, April and October
Residents
14,000
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The weather map: all three models at once

NWS, American, European side by side around Fort Mill and nearby towns.Live rain radar →
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Fort Mill 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

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Fort Mill 10-day forecast, out to 14 days

where the models agree, and where they split

Fort Mill, South Carolina (SC) is at its warmest in Jul (average highs near 90°F) and coldest in Jan (lows around 38°F), with roughly 45 in of precipitation across the year. Below, compare what NWS, American, European forecast for Fort Mill 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.

Fort Mill climate by month

average daytime high and overnight low across a typical year
Jan
55°
38°
Feb
60°
42°
Mar
65°
45°
Apr
73°
52°
May
79°
60°
Jun
86°
66°
Jul
90°
72°
Aug
87°
69°
Sep
81°
64°
Oct
73°
53°
Nov
64°
46°
Dec
55°
38°

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
88±1.2°F96±1.2 mph8491% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
82±1.8°F93±2.3 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.

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)
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AmericanNOAA GFS
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EuropeanECMWF
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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 Fort Mill today?
On this page we show what NWS, American, European each forecast for Fort Mill 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 Fort Mill today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Fort Mill 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 Fort Mill?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Fort Mill 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 Fort Mill?
July is typically the warmest month in Fort Mill, with average highs around 90°F.
How cold does Fort Mill get?
The coldest month in Fort Mill is January, when overnight lows average about 38°F.
How much rain does Fort Mill get?
Fort Mill sees roughly 45 in of precipitation a year, with August usually the wettest month.

Nearby

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