Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Mostly Cloudy

58°F

14°C

Humidity 42%
Wind Speed S 6 mph
Barometer 29.84 in (1010.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 21 Mar 7:53 pm EDT
Extended Forecast for

Monessen PA

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe.  Mostly sunny, with a high near 80. Southwest wind 8 to 15 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.

    High: 80 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Some of the storms could be severe.  Low around 39. Northwest wind 7 to 9 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Severe
    Thunderstorms
    then Showers

  • Monday

    Monday: Showers likely before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 2am.  Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. Calm wind becoming south 5 to 7 mph after midnight.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 80. Southwest wind 8 to 15 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 Night
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 39. Northwest wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers likely before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 26. Northwest wind 5 to 9 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
A chance of rain after 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Thursday
A chance of rain before 8am, then a chance of rain after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Friday
A chance of rain. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Monessen PA
 40.16°N 79.88°W (Elev. 801 ft)
7:31 pm EDT Mar 21, 2026
8pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
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