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

56°F

13°C

Humidity 32%
Wind Speed S 6 mph
Barometer 30.17 in (1022.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 30 Mar 12:53 am EDT
Extended Forecast for

Allison Park PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Southwest wind around 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain before 9am, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 66. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday Night

    Monday Night: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 2am. Low around 58. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain and thunderstorms before 5pm, then a slight chance of rain. Mostly cloudy, with a high near 77. Southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    T-storms then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain, then a chance of rain and thunderstorms after 8pm. Mostly cloudy, with a low around 59. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Southwest wind around 7 mph.
Monday
A slight chance of rain before 9am, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 66. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 2am. Low around 58. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of rain and thunderstorms before 5pm, then a slight chance of rain. Mostly cloudy, with a high near 77. Southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of rain, then a chance of rain and thunderstorms after 8pm. Mostly cloudy, with a low around 59. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Thursday
Rain likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
Rain likely, mainly after 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
Rain likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
Rain likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
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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:
12:36 am EDT Mar 30, 2026
Forecast Valid:
1am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
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