National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

76°F

24°C

Humidity 48%
Wind Speed E 3 mph
Barometer 30.16 in (1021.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Aug 7:53 pm EDT
Extended Forecast for

Swissvale PA

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Light southeast wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 88. Light and variable wind becoming west 5 to 9 mph in the morning.

    High: 88 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 20%.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: Partly sunny and hot, with a high near 90. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 73.

    Low: 73 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. Light southeast wind.
Sunday
Increasing clouds, with a high near 88. Light and variable wind becoming west 5 to 9 mph in the morning.
Sunday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 20%.
Monday
Partly sunny and hot, with a high near 90. Calm wind becoming west 5 to 9 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 72. South wind 3 to 5 mph.
Tuesday
Mostly sunny and hot, with a high near 94.
Tuesday Night
Mostly cloudy, with a low around 73.
Wednesday
Mostly sunny and hot, with a high near 95.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Thursday
A chance of showers before 8am, then a chance of showers after 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swissvale PA
 40.43°N 79.9°W (Elev. 899 ft)
Last Update:
7:31 pm EDT Aug 29, 2026
Forecast Valid:
8pm EDT Aug 29, 2026-6pm EDT Sep 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation