Skip to main content
checkweather.io
Every US forecast, compared
CheckWeather US›Pittsburgh

Pittsburgh weather

Loading live data…
NWSNational Blend (NBM)
64°
Clear
Feels 65° · Wind 3 mph · Humidity 71%
AmericanNOAA GFS
65°
Clear
Feels 65° · Wind 1 mph · Humidity 62%
EuropeanECMWF
63°
Clear
Feels 64° · Wind 3 mph · Humidity 78%

Latest for Pittsburgh: NWS (National Blend (NBM)): 64° Clear · American (NOAA GFS): 65° Clear · European (ECMWF): 63° Clear.

The weather map: all three models at once

NWS, American, European side by side around Pittsburgh and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

7-day forecast

where the models agree, and where they split

Pittsburgh, PA is at its warmest in Jul (average highs near 84°F) and coldest in Jan (lows around 29°F), with roughly 48 in of precipitation across the year. Below, compare what NWS, American, European forecast for Pittsburgh right now, and see exactly where they disagree.

Pittsburgh climate by month

average daytime high and overnight low across a typical year
Jan
41°
29°
Feb
49°
29°
Mar
52°
33°
Apr
64°
43°
May
73°
52°
Jun
80°
60°
Jul
84°
65°
Aug
81°
63°
Sep
76°
58°
Oct
66°
47°
Nov
53°
37°
Dec
45°
32°

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 Pittsburgh today?
On this page we show what NWS, American, European each forecast for Pittsburgh 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 Pittsburgh today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Pittsburgh 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 Pittsburgh?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Pittsburgh 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 Pittsburgh?
Jul is typically the warmest month in Pittsburgh, with average highs around 84°F.
How cold does Pittsburgh get?
The coldest month in Pittsburgh is Jan, when overnight lows average about 29°F.
How much rain does Pittsburgh get?
Pittsburgh sees roughly 48 in of precipitation a year, with Apr 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

DormontCraftonMcKees RocksBellevueBrentwoodCarnegieCastle ShannonWhitehall

More US weather

Most accurate forecastUS rain radarAll US citiesHoliday weather abroadThe European model vs the American model: ECMWF vs GFSThe national forecast models, explained: NBM, UKMO, GEM and ACCESS