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

57°F

14°C

Humidity 27%
Wind Speed Vrbl 3 mph
Barometer 30.56 in (1035.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 18 Oct 1:53 pm EDT
Extended Forecast for

Elco 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 61. Calm wind.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. 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 65. Light north wind.

    High: 65 °F

    Areas Frost
    and Patchy
    Dense Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming north around 6 mph in the afternoon.

    High: 66 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Patchy Frost
    and Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Calm wind.
Tonight
Patchy fog after 5am. 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 65. Light north wind.
Monday Night
Patchy fog after 5am. Otherwise, clear, with a low around 34. Calm wind.
Tuesday
Patchy fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 36.
Wednesday
Areas of fog before 10am. Patchy frost before 9am. Otherwise, sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elco PA
 40.07°N 79.89°W (Elev. 817 ft)
Last Update:
12:34 pm EDT Oct 18, 2026
Forecast Valid:
2pm EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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