Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

A Few Clouds

37°F

3°C

Humidity 52%
Wind Speed NW 13 G 21 mph
Barometer 30.27 in (1026.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 20 Apr 9:53 am EDT
Extended Forecast for

Grindstone-Rowes Run PA

Freeze Warning April 20, 11:00pm until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Today

    Today: Partly sunny, with a high near 47. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Widespread frost between 4am and 5am.  Otherwise, mostly clear, with a low around 27. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 27 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Sunny, with a high near 66. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Scattered showers between 2am and 5am, then scattered showers and thunderstorms after 5am.  Mostly cloudy, with a low around 52. Southwest wind around 7 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 11am, then showers likely between 11am and 2pm, then scattered showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 67. West wind around 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms before 8pm.  Partly cloudy, with a low around 48. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Scattered
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 47. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Widespread frost between 4am and 5am. Otherwise, mostly clear, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 66. Light south wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Scattered showers between 2am and 5am, then scattered showers and thunderstorms after 5am. Mostly cloudy, with a low around 52. Southwest wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before 11am, then showers likely between 11am and 2pm, then scattered showers and thunderstorms after 2pm. Mostly cloudy, with a high near 67. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 48. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grindstone-Rowes Run PA
 40.02°N 79.78°W (Elev. 1138 ft)
9:01 am EDT Apr 20, 2026
10am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
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Additional Resources

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