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.

A Few Clouds

55°F

13°C

Humidity 80%
Wind Speed SE 15 G 24 mph
Barometer 30.11 in (1020.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 23 May 8:53 pm EDT
Extended Forecast for

Municipality of Monroeville PA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog between 1am and 5am. Otherwise, mostly cloudy, with a low around 53. Southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Southeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Patchy fog after 11pm. Low around 59. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog between 1am and 5am. Otherwise, mostly cloudy, with a low around 53. Southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Southeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Patchy fog after 11pm. Low around 59. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Memorial Day
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 59. Calm wind.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
A chance of showers after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Municipality of Monroeville PA
 40.44°N 79.75°W (Elev. 1181 ft)
Last Update:
7:01 pm EDT May 23, 2026
Forecast Valid:
9pm EDT May 23, 2026-6pm EDT May 30, 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