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 and Breezy

43°F

6°C

Humidity 38%
Wind Speed W 23 G 39 mph
Barometer 29.85 in (1011.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 14 Mar 1:53 am EDT
Extended Forecast for

Grindstone PA

  • Overnight

    Overnight: Mostly clear, with a low around 32. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50. West wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Calm wind becoming east around 6 mph after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. South wind 11 to 18 mph, with gusts as high as 34 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Mostly cloudy, with a low around 51. Southeast wind around 16 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, mainly after 8am. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Rain

  • Monday Night

    Monday Night: A chance of snow before 2am. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Low: 21 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 30.

    High: 30 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 32. West wind around 15 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 50. West wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 38. Calm wind becoming east around 6 mph after midnight.
Sunday
Partly sunny, with a high near 69. South wind 11 to 18 mph, with gusts as high as 34 mph.
Sunday Night
A chance of rain after 2am. Mostly cloudy, with a low around 51. Southeast wind around 16 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Monday
Rain, mainly after 8am. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of snow before 2am. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
A chance of rain. Partly sunny, with a high near 56. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grindstone PA
 40.02°N 79.84°W (Elev. 879 ft)
Last Update:
1:16 am EDT Mar 14, 2026
Forecast Valid:
2am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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