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

51°F

11°C

Humidity 43%
Wind Speed Calm
Barometer 30.49 in (1033.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 18 Oct 9:53 pm EDT
Extended Forecast for

Charleroi PA

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

  • Tonight

    Tonight: Patchy fog after 3am. Patchy frost after 4am. Otherwise, clear, with a low around 33. Calm wind.

    Low: 33 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Monday

    Monday: Patchy dense fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 64. Light north wind.

    High: 64 °F

    Areas Frost
    and Patchy
    Dense Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Areas of fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 65 °F

    Patchy Frost
    and Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 36. Light northeast wind.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Patchy frost after 4am. Otherwise, clear, with a low around 33. Calm wind.
Monday
Patchy dense fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 64. Light north wind.
Monday Night
Clear, with a low around 35. Calm wind.
Tuesday
Areas of fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 36. Light northeast wind.
Wednesday
Patchy fog before 9am. Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 65.
Wednesday Night
Clear, with a low around 36.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 63.
Friday Night
Clear, with a low around 37.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleroi PA
 40.14°N 79.88°W (Elev. 1086 ft)
Last Update:
8:31 pm EDT Oct 18, 2026
Forecast Valid:
10pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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