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

67°F

19°C

Humidity 66%
Wind Speed SW 14 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Mar 2:53 pm EDT
Extended Forecast for

Grindstone PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 73. Southwest wind around 9 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of rain after 5am. Increasing clouds, with a low around 59. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 3pm, then a chance of rain and thunderstorms between 3pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 78. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 5am, then rain and snow likely. Some thunder is also possible. Low around 34. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Snow likely before 8am. Partly sunny, with a high near 45. Northwest wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Snow Likely
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 57. Breezy.

    High: 57 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 73. Southwest wind around 9 mph.
Tonight
A chance of rain after 5am. Increasing clouds, with a low around 59. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 3pm, then a chance of rain and thunderstorms between 3pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. High near 78. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain before 5am, then rain and snow likely. Some thunder is also possible. Low around 34. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely before 8am. Partly sunny, with a high near 45. Northwest wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly cloudy, with a high near 57. Breezy.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 69.
Sunday Night
Rain. Low around 35. Chance of precipitation is 80%.
Monday
Rain and snow. High near 46. Chance of precipitation is 80%.
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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:
2:22 pm EDT Mar 10, 2026
Forecast Valid:
3pm EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation