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Every US forecast, compared
CheckWeather US›Greer

Greer weather

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NWSNational Blend (NBM)
75°
Partly cloudy
Feels 83° · Wind 3 mph · Humidity 94%
AmericanNOAA GFS
71°
Overcast
Feels 76° · Wind 4 mph · Humidity 89%
EuropeanECMWF
75°
Light drizzle
Feels 83° · Wind 4 mph · Humidity 89%

Latest for Greer: NWS (National Blend (NBM)): 75° Partly cloudy · American (NOAA GFS): 71° Overcast · European (ECMWF): 75° Light drizzle.

The weather map: all three models at once

NWS, American, European side by side around Greer and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

7-day forecast

where the models agree, and where they split

Greer, SC is at its warmest in Jul (average highs near 90°F) and coldest in Jan (lows around 36°F), with roughly 49 in of precipitation across the year. Below, compare what NWS, American, European forecast for Greer right now, and see exactly where they disagree.

Greer climate by month

average daytime high and overnight low across a typical year
Jan
53°
36°
Feb
59°
40°
Mar
64°
43°
Apr
71°
50°
May
78°
58°
Jun
85°
64°
Jul
90°
70°
Aug
88°
69°
Sep
82°
63°
Oct
73°
53°
Nov
63°
45°
Dec
54°
36°

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
Behind Apple Weather, Windy
88
/100rank #1
85±1.5°F96±1.2 mph8592% hitECMWF — European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
Behind Windy & many free apps
74
/100rank #2
82±1.8°F92±2.6 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 40 cities. Lower error means a higher score. The apps you know (AccuWeather, Apple Weather, The Weather Channel) are built on these models.

Common questions

What's the weather in Greer today?
On this page we show what NWS, American, European each forecast for Greer 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 Greer today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Greer 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 Greer?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Greer 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 Greer?
July is typically the warmest month in Greer, with average highs around 90°F.
How cold does Greer get?
The coldest month in Greer is January, when overnight lows average about 36°F.
How much rain does Greer get?
Greer sees roughly 49 in of precipitation a year, with January usually the wettest month.

The forecasts Americans check

The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.

NWSNational Weather Service
Open model · shown above ✓AWAccuWeather
Closed model · open ↗↗TWCThe Weather Channel
Closed model · open ↗↗

Nearby

TaylorsWade HamptonFive ForksGreenvilleSans SouciMauldinBereaSimpsonville

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