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.

Light Rain

58°F

14°C

Humidity 93%
Wind Speed N 8 G 17 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 24 Aug 12:53 am EDT
Extended Forecast for

Herminie PA

  • Overnight

    Overnight: A slight chance of showers before 3am. Mostly cloudy, with a low around 55. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 71. West wind 6 to 13 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers before 3am. Mostly cloudy, with a low around 55. Southwest wind around 6 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 71. West wind 6 to 13 mph.
Monday Night
Partly cloudy, with a low around 55. West wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 80.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Herminie PA
 40.23°N 79.72°W (Elev. 1043 ft)
Last Update:
12:51 am EDT Aug 24, 2026
Forecast Valid:
1am EDT Aug 24, 2026-6pm EDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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