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

Significant Coastal Impacts to the Eastern Seaboard; Hurricane Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England into Monday. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Hurricane Nolo is expected to remain south of the Big Island of Hawaii. However, strong winds, damaging waves, and heavy rainfall may bring significant, life-threatening flooding and mudslides through the weekend. Read More >

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

69°F

21°C

Humidity 42%
Wind Speed N 10 G 21 mph
Barometer 30.06 in (1018.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 26 Sep 1:53 pm EDT
Extended Forecast for

Mount Oliver PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. North wind 7 to 13 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy during the early evening, then becoming cloudy, with a low around 54. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Becoming
    Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 70. North wind 10 to 15 mph.

    High: 70 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of showers before 10pm. Mostly cloudy, with a low around 57. North wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 68. Northwest wind around 6 mph.

    High: 68 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 70. North wind 7 to 13 mph.
Tonight
Partly cloudy during the early evening, then becoming cloudy, with a low around 54. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday
Increasing clouds, with a high near 70. North wind 10 to 15 mph.
Sunday Night
A slight chance of showers before 10pm. Mostly cloudy, with a low around 57. North wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 68. Northwest wind around 6 mph.
Monday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 59.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 72.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 57.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 76.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Friday
A chance of showers. The rain could be heavy at times. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Oliver PA
 40.41°N 79.99°W (Elev. 1191 ft)
Last Update:
2:24 pm EDT Sep 26, 2026
Forecast Valid:
2pm EDT Sep 26, 2026-6pm EDT Oct 2, 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