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CheckWeather USGreenville
Forecast confidence: High · models disagree by 3°F

Greenville weather

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Light drizzle,rain likely tomorrow

NWS, the American and the European model agree on a high near 94° in Greenville today. Tomorrow looks showers around 93°, with a 82% chance of rain.

94°74°
93°72°
76°70°
85°67°
89°68°
91°71°
Todaymodels agreeTomorrowsplit ±5°Mondaysplit ±4°Tuesdaymodels agreeWednesdaysplit ±5°Thursdaymodels agree
NWSNational Blend (NBM)
96°
Showers
Today 96°·Low 74°·Rain 32%
AmericanNOAA GFS
95°
Light drizzle
Today 95°·Low 72°·Rain 32%
EuropeanECMWF
92°
Light drizzle
Today 92°·Low 75°·Rain 73%

The weather map: all three models at once

NWS, American, European side by side around Greenville 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
Light drizzle
94° 74°
models agree
Tomorrow
Showers
93° 72°
±5°
Mon
Drizzle
76° 70°
±4°
Tue
Cloudy
85° 67°
models agree
Wed
Mostly clear
89° 68°
±5°
Thu
Mostly clear
91° 71°
models agree
Fri
Light drizzle
91° 71°
±8°
Sat
Drizzle
88° 70°
±9°
Sun
Light drizzle
89° 71°
±12°
Mon
Mostly clear
91° 71°
±12°
Tue
Heavy drizzle
84° 68°
±9°
Wed
Thunderstorm
81° 66°
±5°
Thu
Light drizzle
76° 63°
±12°
Fri
Light drizzle
79° 63°
±7°

Greenville, SC is at its warmest in Jul (average highs near 89°F) and coldest in Jan (lows around 36°F), with roughly 47 in of precipitation across the year. Below, compare what NWS, American, European forecast for Greenville 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.

Greenville climate by month

average daytime high and overnight low across a typical year
Jan
53°
36°
Feb
59°
40°
Mar
64°
44°
Apr
71°
50°
May
77°
59°
Jun
85°
65°
Jul
89°
70°
Aug
88°
69°
Sep
81°
63°
Oct
73°
53°
Nov
63°
45°
Dec
53°
37°

Which forecast is most accurate in Greenville?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
86±1.4°F96±1.4 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
67
/100rank #2
83±1.7°F95±1.6 mph2961% 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
Today±3°92° to 96°±41%32% to 73% chance
Tomorrow±5°91° to 95°±46%36% to 82% chance
Mon±4°74° to 78°±25%56% to 81% chance
Tue±4°84° to 87°±16%3% to 19% chance
Wed±5°87° to 92°±21%2% to 23% 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 Greenville

today, local time
Sunrise
07:05
Sunset
19:50
Daylight
12h 45m

Common questions

What's the weather in Greenville today?
On this page we show what NWS, American, European each forecast for Greenville 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 Greenville today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Greenville 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 Greenville?
Over the last 30 days, the European model has been the most accurate for Greenville (CheckWeather Score 92/100), ahead of the American at 67. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Greenville?
July is typically the warmest month in Greenville, with average highs around 89°F.
How cold does Greenville get?
The coldest month in Greenville is January, when overnight lows average about 36°F.
How much rain does Greenville get?
Greenville sees roughly 47 in of precipitation a year, with January usually the wettest month.

Nearby

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