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.

Fog/Mist

63°F

17°C

Humidity NA
Wind Speed Calm
Barometer 29.89 in (1012.5 mb)
Dewpoint N/A
Visibility 1.00 mi
Last update 25 Sep 11:56 pm EDT
Extended Forecast for

Petrolia PA

  • Overnight

    Overnight: A slight chance of showers after 2am. Patchy dense fog. Otherwise, mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers and
    Patchy Dense
    Fog

  • Friday

    Friday: Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 76. Calm wind.

    High: 76 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Friday Night

    Friday Night: Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 81.

    High: 81 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Patchy Fog

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers after 2am. Patchy dense fog. Otherwise, mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 20%.
Friday
Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 76. Calm wind.
Friday Night
Patchy dense fog after 10pm. Otherwise, increasing clouds, with a low around 52. Calm wind.
Saturday
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 78. Light and variable wind.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 81.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 53.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Petrolia PA
 41.03°N 79.72°W (Elev. 1302 ft)
Last Update:
11:23 pm EDT Sep 25, 2025
Forecast Valid:
12am EDT Sep 26, 2025-6pm EDT Oct 2, 2025
 
Forecast Discussion
 
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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