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.

Overcast

25°F

-4°C

Humidity 78%
Wind Speed SE 5 mph
Barometer 29.98 in (1017.7 mb)
Dewpoint 19°F (-7°C)
Visibility 7.00 mi
Wind Chill19°F (-7°C)
Last update 5 Dec 11:53 am EST
Extended Forecast for

Herminie PA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 35. South wind around 5 mph becoming calm.

    High: 35 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Calm wind becoming southwest around 6 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 38. Southwest wind 8 to 13 mph.

    High: 38 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 26. Southwest wind around 6 mph becoming calm in the evening.

    Low: 26 °F

    Cloudy

  • Sunday

    Sunday: A slight chance of snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Cloudy, with a high near 38. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 38 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 19 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after 1pm. Partly sunny, with a high near 36. Chance of precipitation is 30%.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
Cloudy, with a high near 35. South wind around 5 mph becoming calm.
Tonight
Mostly cloudy, with a low around 23. Calm wind becoming southwest around 6 mph after midnight.
Saturday
Mostly cloudy, with a high near 38. Southwest wind 8 to 13 mph.
Saturday Night
Cloudy, with a low around 26. Southwest wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Cloudy, with a high near 38. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
A chance of snow after 1pm. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Wednesday
Rain likely. Cloudy, with a high near 43. Chance of precipitation is 70%.
Wednesday Night
Rain and snow. Low around 26. Chance of precipitation is 90%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Herminie PA
 40.26°N 79.72°W (Elev. 919 ft)
Last Update:
12:16 pm EST Dec 5, 2025
Forecast Valid:
12pm EST Dec 5, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation