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

45°F

7°C

Humidity 71%
Wind Speed SW 15 mph
Barometer 29.92 in (1013.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Nov 3:53 am EST
Extended Forecast for

Grindstone PA

  • Today

    Today: Mostly sunny, with a high near 56. West wind 8 to 13 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 62. Southwest wind 9 to 13 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Light southwest wind.

    Low: 37 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 62. Calm wind becoming southwest around 5 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 56. Chance of precipitation is 90%.

    High: 56 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Cloudy, with a low around 34. Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 1pm. Cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 56. West wind 8 to 13 mph.
Tonight
Partly cloudy, with a low around 35. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Sunny, with a high near 62. Southwest wind 9 to 13 mph.
Tuesday Night
Mostly clear, with a low around 37. Light southwest wind.
Veterans Day
Mostly sunny, with a high near 62. Calm wind becoming southwest around 5 mph.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Thursday
Rain. High near 56. Chance of precipitation is 90%.
Thursday Night
Rain likely. Cloudy, with a low around 34. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 1pm. Cloudy, with a high near 45. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grindstone PA
 40.03°N 79.87°W (Elev. 1037 ft)
Last Update:
1:21 am EST Nov 9, 2026
Forecast Valid:
4am EST Nov 9, 2026-6pm EST Nov 15, 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