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Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

41°F

5°C

Humidity 36%
Wind Speed E 6 mph
Barometer 30.21 in (1024.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 14 Mar 11:53 pm EDT
Extended Forecast for

Monessen PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. East wind 6 to 8 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 69. South wind 10 to 18 mph, with gusts as high as 36 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Mostly cloudy, with a low around 47. Southeast wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain before 5pm, then snow likely, possibly mixed with rain. High near 65. Southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 65 °F

    Rain then
    Rain/Snow

  • Monday Night

    Monday Night: Snow showers likely, possibly mixed with rain before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 21. West wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 30. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. East wind 6 to 8 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 69. South wind 10 to 18 mph, with gusts as high as 36 mph.
Sunday Night
A chance of rain after 2am. Mostly cloudy, with a low around 47. Southeast wind around 16 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Monday
Rain before 5pm, then snow likely, possibly mixed with rain. High near 65. Southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Snow showers likely, possibly mixed with rain before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 21. West wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers before 2pm. Mostly cloudy, with a high near 30. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 60.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 59. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monessen PA
 40.14°N 79.88°W (Elev. 1086 ft)
Last Update:
7:41 pm EDT Mar 14, 2026
Forecast Valid:
12am EDT Mar 15, 2026-6pm EDT Mar 21, 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