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.

Fair

47°F

8°C

Humidity 80%
Wind Speed Calm
Barometer 30.01 in (1016.7 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Last update 11 Nov 12:53 am EST
Extended Forecast for

Monessen PA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Areas Fog

  • Veterans Day

    Veterans Day: Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. Calm wind becoming south around 6 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 3am. Increasing clouds, with a low around 45. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: Rain before 11am, then rain likely after 1pm. High near 51. Light and variable wind becoming northwest 9 to 14 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 7pm. Mostly cloudy, with a low around 33. Northwest wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely

  • Friday

    Friday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of snow, mixing with rain after 10pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly clear, with a low around 38. Calm wind.
Veterans Day
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Rain likely, mainly after 3am. Increasing clouds, with a low around 45. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 11am, then rain likely after 1pm. High near 51. Light and variable wind becoming northwest 9 to 14 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly before 7pm. Mostly cloudy, with a low around 33. Northwest wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Friday Night
A chance of snow, mixing with rain after 10pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 31.
Monday
Areas of fog. Otherwise, partly sunny, with a high near 49.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 29.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monessen PA
 40.16°N 79.88°W (Elev. 801 ft)
Last Update:
1:21 am EST Nov 11, 2026
Forecast Valid:
1am EST Nov 11, 2026-6pm EST Nov 17, 2026
 
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Additional Resources

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Chance of Precipitation