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

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Fair

58°F

14°C

Humidity 36%
Wind Speed Calm
Barometer 30.48 in (1033.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 19 Oct 11:56 am EDT
Extended Forecast for

3 Miles ENE Portersville PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 3am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. North wind 3 to 5 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.

    High: 66 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Patchy frost after 5am. Otherwise, clear, with a low around 36.

    Low: 36 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 67.

    High: 67 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Thursday Night

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

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Calm wind.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 39. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Patchy fog after 3am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. North wind 3 to 5 mph.
Wednesday
Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.
Wednesday Night
Patchy fog after 3am. Patchy frost after 5am. Otherwise, clear, with a low around 36.
Thursday
Patchy fog before 9am. Patchy frost before 9am. Otherwise, sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 35.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Portersville PA
 40.95°N 80.08°W (Elev. 1198 ft)
Last Update:
11:51 am EDT Oct 19, 2026
Forecast Valid:
12pm EDT Oct 19, 2026-6pm EDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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