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

47°F

8°C

Humidity 25%
Wind Speed W 17 G 35 mph
Barometer 29.79 in (1009.7 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Mar 11:53 pm EDT
Extended Forecast for

Mount Oliver PA

  • Overnight

    Overnight: Partly cloudy, with a low around 32. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph.

    Low: 32 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 9 to 14 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 38. Calm wind becoming east 5 to 9 mph in the evening.

    Low: 38 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 66. Southeast wind 11 to 18 mph, with gusts as high as 30 mph.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Mostly cloudy, with a low around 51. Southeast wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, mainly after 8am. High near 68. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: A chance of snow before 2am. Mostly cloudy, with a low around 22. Breezy. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 29. Breezy.

    High: 29 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph.
Saturday
Mostly sunny, with a high near 48. West wind 9 to 14 mph.
Saturday Night
Increasing clouds, with a low around 38. Calm wind becoming east 5 to 9 mph in the evening.
Sunday
Mostly cloudy, with a high near 66. Southeast wind 11 to 18 mph, with gusts as high as 30 mph.
Sunday Night
A chance of rain after 2am. Mostly cloudy, with a low around 51. Southeast wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Monday
Rain, mainly after 8am. High near 68. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of snow before 2am. Mostly cloudy, with a low around 22. Breezy. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 29. Breezy.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Oliver PA
 40.39°N 79.99°W (Elev. 1188 ft)
Last Update:
11:51 pm EDT Mar 13, 2026
Forecast Valid:
12am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation