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.

Fair

59°F

15°C

Humidity 25%
Wind Speed Calm
Barometer 30.52 in (1034.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 18 Oct 3:53 pm EDT
Extended Forecast for

West Mifflin PA

Frost Advisory October 19, 01:00am until October 19, 09:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Calm wind.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 36. Light east wind.

    Low: 36 °F

    Clear

  • Monday

    Monday: Patchy frost before 9am. Otherwise, sunny, with a high near 64. Calm wind.

    High: 64 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 38. North wind 3 to 5 mph.

    Low: 38 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Calm wind.
Tonight
Clear, with a low around 36. Light east wind.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 64. Calm wind.
Monday Night
Clear, with a low around 38. North wind 3 to 5 mph.
Tuesday
Sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Clear, with a low around 38.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Mifflin PA
 40.36°N 79.91°W (Elev. 1017 ft)
Last Update:
2:21 pm EDT Oct 18, 2026
Forecast Valid:
4pm EDT Oct 18, 2026-6pm EDT Oct 24, 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