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

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

67°F

19°C

Humidity 30%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 May 3:53 pm EDT
Extended Forecast for

Monroeville PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. Southwest wind around 6 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. South wind 3 to 8 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 44. West wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 55. Northwest wind 11 to 16 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. Southwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 53. South wind 3 to 8 mph.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 8pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 44. West wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 55. Northwest wind 11 to 16 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
Mostly sunny and hot, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monroeville PA
 40.44°N 79.75°W (Elev. 1181 ft)
Last Update:
2:21 pm EDT May 12, 2026
Forecast Valid:
4pm EDT May 12, 2026-6pm EDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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