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.

Overcast

36°F

2°C

Humidity 64%
Wind Speed Calm
Barometer 30.15 in (1022.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 18 Nov 10:53 am EST
Extended Forecast for

Allison Park PA

  • Today

    Today: A chance of snow before noon, then rain likely. Cloudy, with a high near 41. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 34. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Light north wind.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, cloudy, with a high near 53. Light and variable wind.

    High: 53 °F

    Areas Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
A chance of snow before noon, then rain likely. Cloudy, with a high near 41. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 1am. Low around 34. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 50. Light north wind.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, cloudy, with a high near 53. Light and variable wind.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 44. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 55.
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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:
10:43 am EST Nov 18, 2025
Forecast Valid:
11am EST Nov 18, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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