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

39°F

4°C

Humidity 67%
Wind Speed E 3 mph
Barometer 30.06 in (1019.5 mb)
Dewpoint 29°F (-2°C)
Visibility 6.00 mi
Last update 18 Nov 3:53 pm EST
Extended Forecast for

Grindstone-Rowes Run PA

  • This Afternoon

    This Afternoon: Rain likely. Cloudy, with a high near 44. Light east wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 2am. Patchy fog after 9pm. Low around 36. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Areas Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, cloudy, with a high near 54. Light and variable wind.

    High: 54 °F

    Areas Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 58. Chance of precipitation is 40%.

    High: 58 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.

    High: 53 °F

    Chance Rain

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 44. Light east wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 2am. Patchy fog after 9pm. Low around 36. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 50. Calm wind.
Wednesday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, cloudy, with a high near 54. Light and variable wind.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain. Cloudy, with a high near 58. Chance of precipitation is 40%.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grindstone-Rowes Run PA
 40.02°N 79.81°W (Elev. 994 ft)
Last Update:
1:57 pm EST Nov 18, 2025
Forecast Valid:
4pm EST Nov 18, 2025-6pm EST Nov 24, 2025
 
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