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.

Fair

46°F

8°C

Humidity 66%
Wind Speed SE 7 mph
Barometer 29.92 in (1014.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Feb 11:53 pm EST
Extended Forecast for

Allison Park PA

  • Overnight

    Overnight: A chance of rain or sprinkles before 4am, then a chance of rain between 4am and 5am, then a chance of rain or sprinkles after 5am. Cloudy, with a low around 42. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain with a chance of sprinkles before 3pm, then a chance of sprinkles between 3pm and 4pm. High near 58. South wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 46. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 61. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain, with thunderstorms also possible after 4am. Low around 45. Southeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain

  • Friday

    Friday: Rain likely and possibly a thunderstorm. Partly sunny, with a high near 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Rain Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
A chance of rain or sprinkles before 4am, then a chance of rain between 4am and 5am, then a chance of rain or sprinkles after 5am. Cloudy, with a low around 42. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain with a chance of sprinkles before 3pm, then a chance of sprinkles between 3pm and 4pm. High near 58. South wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 46. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 61. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain, with thunderstorms also possible after 4am. Low around 45. Southeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Sunday
Snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Allison Park PA
 40.56°N 79.97°W (Elev. 899 ft)
Last Update:
12:06 am EST Feb 18, 2026
Forecast Valid:
12am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
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