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Pittsburgh weather

Pennsylvania · 304,391 inhabitants · Thursday, October 29 · updated 16:10

Air: Fair

20°

Clear sky

Feels like 21°C

Wind

13 km/h

Gusts

26 km/h

Humidity

47 %

Pressure

1019 hPa

Clouds

2 %

Storm

Rise 07:46 Set 18:20 Day 10 h 34 min UV 5 · Moderate

Morning, afternoon, evening

Trend

Afternoon

Clear sky

22°20°

Feels like 23°

Wind ↑ SW 13 km/h

Gusts 26 km/h

Humidity 42 %

Evening

Clear sky

17°15°

Feels like 17°

Wind ↑ SW 14 km/h

Gusts 45 km/h

Humidity 57 %

17:00

20°

SW 13

Pittsburgh forecast in charts · next 7 days

The week ahead: highs and lows

▲ This week runs +6.8° warmer than usual

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Pittsburgh climate: what a normal year looks like

The hottest stretch is July, when afternoons average 28 °C; the coldest is January, when nights average −5 °C. Between those two months the average temperature changes by 25 °C.

Nights typically freeze from December to February, the coldest averaging −5 °C in January.

From 15 h 03 min of daylight in late June to 9 h 17 min in late December.

There is no real dry season: monthly rainfall stays between 85 mm and 132 mm on average.

Forecast highs for the coming week average 20 °C, 3 °C warmer than a normal October (17 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	2 °C	−5 °C	99 mm
Feb	5 °C	−4 °C	85 mm
Mar	10 °C	0 °C	113 mm
Apr	17 °C	6 °C	122 mm
May	21 °C	11 °C	129 mm
Jun	25 °C	16 °C	132 mm
Jul	28 °C	18 °C	124 mm
Aug	27 °C	17 °C	99 mm
Sep	24 °C	13 °C	105 mm
Oct	17 °C	8 °C	96 mm
Nov	11 °C	2 °C	92 mm
Dec	5 °C	−1 °C	95 mm
Whole year	16 °C	7 °C	1,290 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 40.44° N, 80.00° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Pittsburgh: pollution and pollen

2/6

Fair

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.518µg/m³

PM1018µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Pittsburgh

Rain observed over the last two hours by official weather radars around Pittsburgh, followed by the radar forecast for the next hour where the weather service provides one.

Full-screen rain radar and next-hour rain on RainAtlas

Rain radar Last two hours, then forecast where available · drag the timeline

Moon over Pittsburgh

Waning gibbous

87 % illuminated · 18.3 days

Rise 16:39 Set 08:02

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (America/New_York); phase and lit fraction from a synodic calculation.

Look up a past day in Pittsburgh

Curious about the weather in Pittsburgh on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Pittsburgh weather at a glance

This page gathers everything about the weather in Pittsburgh, Pennsylvania: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “clear sky”, it is 20 °C (feels like 21 °C) and the wind blows at 13 km/h.

Expected range today: 8 °C to 22 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Other big cities nearby

Cleveland 185 km 24°

Pittsburgh weather data for developers

Use the Pittsburgh forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

Create a free key

Where does this forecast come from? Our engine, checked every day against 1125 weather stations