National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

63°F

17°C

Humidity 65%
Wind Speed SW 17 G 29 mph
Barometer 29.86 in (1011.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 9 Jan 1:53 pm EST
Extended Forecast for

Grindstone PA

  • This Afternoon

    This Afternoon: Showers likely, mainly between 4pm and 5pm. Mostly cloudy, with a high near 63. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Showers. Patchy fog between 8am and 9am. High near 54. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Rain showers before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Low around 29. West wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Showers then
    Rain/Snow

  • Sunday

    Sunday: Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 33. West wind 11 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of snow showers before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly between 4pm and 5pm. Mostly cloudy, with a high near 63. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Northwest wind 5 to 9 mph becoming calm in the evening.
Saturday
Showers. Patchy fog between 8am and 9am. High near 54. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain showers before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Low around 29. West wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 33. West wind 11 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow showers before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Wednesday
Showers likely. Cloudy, with a high near 43. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grindstone PA
 40.03°N 79.87°W (Elev. 1037 ft)
Last Update:
12:47 pm EST Jan 9, 2026
Forecast Valid:
2pm EST Jan 9, 2026-6pm EST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation