National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog/Mist

48°F

9°C

Humidity 93%
Wind Speed N 10 mph
Barometer 29.80 in (1009.5 mb)
Dewpoint 46°F (8°C)
Visibility 6.00 mi
Wind Chill44°F (7°C)
Last update 21 Mar 1:53 am EDT
Extended Forecast for

Mount Oliver PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. North wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 62. North wind around 6 mph becoming calm in the morning.

    High: 62 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. South wind 3 to 8 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms. Low around 38. Northwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Showers

  • Monday

    Monday: Showers likely before 8am. Partly sunny, with a high near 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. North wind around 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 62. North wind around 6 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 50. South wind 3 to 8 mph.
Sunday
Scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms. Low around 38. Northwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers likely before 8am. Partly sunny, with a high near 47. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
A chance of rain. Partly sunny, with a high near 50. Chance of precipitation is 30%.
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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:
2:16 am EDT Mar 21, 2026
Forecast Valid:
2am EDT Mar 21, 2026-6pm EDT Mar 27, 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