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.

Mostly Cloudy

76°F

24°C

Humidity 67%
Wind Speed N 8 mph
Barometer 30.14 in (1020.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Aug 1:53 pm EDT
Extended Forecast for

Monroeville PA

  • This Afternoon

    This Afternoon: A slight chance of showers before 3pm. Mostly sunny, with a high near 79. Calm wind becoming north 5 to 8 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 54. North wind 5 to 7 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Light east wind.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 62. Light east wind.

    Low: 62 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 86. South wind 5 to 8 mph becoming west in the afternoon.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

Detailed Forecast

This Afternoon
A slight chance of showers before 3pm. Mostly sunny, with a high near 79. Calm wind becoming north 5 to 8 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 54. North wind 5 to 7 mph becoming calm after midnight.
Saturday
Sunny, with a high near 82. Light east wind.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 62. Light east wind.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 86. South wind 5 to 8 mph becoming west in the afternoon.
Sunday Night
Mostly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Monroeville PA
 40.44°N 79.75°W (Elev. 1181 ft)
Last Update:
2:21 pm EDT Aug 28, 2026
Forecast Valid:
2pm EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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