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Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

41°F

5°C

Humidity 70%
Wind Speed E 3 mph
Barometer 30.44 in (1031.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Oct 3:53 am EDT
Extended Forecast for

Monongahela PA

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

    NOW until 9:00am Mon

    Frost Advisory

  • Overnight

    Low: 34 °F

    Patchy Frost
    and Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 63. Light north wind.

    High: 63 °F

    Areas Frost
    and Patchy
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am. Otherwise, clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Patchy frost before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 64 °F

    Patchy Frost
    and Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Light northeast wind.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog. Patchy frost. Otherwise, clear, with a low around 34. Calm wind.
Monday
Patchy fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 63. Light north wind.
Monday Night
Patchy fog after 3am. Otherwise, clear, with a low around 35. Calm wind.
Tuesday
Areas of fog before 10am. Patchy frost before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. Light northeast wind.
Wednesday
Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 62.
Friday Night
Clear, with a low around 36.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monongahela PA
 40.21°N 79.9°W (Elev. 1132 ft)
Last Update:
2:21 am EDT Oct 19, 2026
Forecast Valid:
4am EDT Oct 19, 2026-6pm EDT Oct 25, 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

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Chance of Precipitation