Today's Weather Forecast - Pittsburgh

Today's weather in Pittsburgh. high 27°C (81°F), low 19°C (66°F). Sunny.

Today’s Hourly Weather Outlook

Morning6 AM – Noon21°
Wind speed
5 km/h
Rain probability
1%
AfternoonNoon – 6 PM26°
Wind speed
4 km/h
Rain probability
0%
Evening6 PM – Midn22°
Wind speed
7 km/h
Rain probability
0%
NightMidn – 6 AM21°
Wind speed
4 km/h
Rain probability
11%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:27 AM
Total Daylight
36% of day elapsedSolar noon 1:16 PM
Sunset
Dusk 8:05 PM
Remaining8h 6m
Solar elevation47°
vs yesterday-4 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: PM2.5
Monitoring station
Parkway East, Allegheny, Pennsylvania, USA
PM2.5
28μg/m³
O₃
8.8ppb
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Pittsburgh is forecast to reach a high of 27°C today, with an overnight low around 19°C. That's 1° above the long-term average high of 26°C for this time of year. Expect little chance of rain (11% probability) and light winds averaging 7 km/h. Air quality is currently good (AQI 48), with no notable outdoor health concerns.

Today vs Normal

27°C+1° above normal

The long-term average high for today is 26°C.

6 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.

2026-08-28: 25°C25°2026-08-29: 27°C27°2026-08-30: 28°C28°2026-08-31: 29°C29°2026-09-01: 30°C30°2026-09-02: 31°C31°2026-09-03: 30°C30°2026-09-04: 26°C26°2026-09-05: 26°C26°2026-09-06: 25°C25°2026-09-07: 26°C26°2026-09-08: 27°C27°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.