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.

Rain Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed S 9 mph
Barometer 29.70 in (1005.9 mb)
Dewpoint 55°F (13°C)
Visibility 2.00 mi
Last update 6 May 6:53 am EDT
Extended Forecast for

Grindstone-Rowes Run PA

  • Today

    Today: Showers, mainly before 10am. High near 61. Southwest wind 7 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Showers then
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Light north wind.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 39. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 39 °F

    Gradual
    Clearing

  • Friday

    Friday: Mostly sunny, with a high near 64. West wind 6 to 14 mph.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 8am. Partly sunny, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Showers, mainly before 10am. High near 61. Southwest wind 7 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Mostly cloudy, with a low around 43. Light north wind.
Thursday
Mostly sunny, with a high near 60. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 39. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 64. West wind 6 to 14 mph.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly before 8am. Partly sunny, with a high near 69. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grindstone-Rowes Run PA
 40.02°N 79.81°W (Elev. 994 ft)
Last Update:
6:21 am EDT May 6, 2026
Forecast Valid:
7am EDT May 6, 2026-6pm EDT May 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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