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.

Overcast

64°F

18°C

Humidity 75%
Wind Speed SW 7 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 25 Aug 2:53 am EDT
Extended Forecast for

Wilmerding PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Light southwest wind.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 78. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Light southwest wind.
Tuesday
Partly sunny, with a high near 78. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Calm wind.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. Calm wind.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmerding PA
 40.4°N 79.82°W (Elev. 801 ft)
Last Update:
2:21 am EDT Aug 25, 2026
Forecast Valid:
3am EDT Aug 25, 2026-6pm EDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation