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

24°F

-4°C

Humidity 81%
Wind Speed Calm
Barometer 30.17 in (1024.0 mb)
Dewpoint 19°F (-7°C)
Visibility 7.00 mi
Last update 4 Jan 7:53 pm EST
Extended Forecast for

Allison Park PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42. Calm wind becoming south around 6 mph in the morning.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 1pm. High near 50. South wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 38. West wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Partly sunny, with a high near 54. Chance of precipitation is 30%.

    High: 54 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Calm wind.
Monday
Partly sunny, with a high near 42. Calm wind becoming south around 6 mph in the morning.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Rain, mainly after 1pm. High near 50. South wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 38. West wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 54. Chance of precipitation is 30%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Friday
Rain. High near 54. Chance of precipitation is 80%.
Friday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allison Park PA
 40.56°N 79.97°W (Elev. 899 ft)
Last Update:
12:26 pm EST Jan 4, 2026
Forecast Valid:
8pm EST Jan 4, 2026-6pm EST Jan 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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