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

49°F

9°C

Humidity 93%
Wind Speed E 3 mph
Barometer 30.33 in (1027.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 3 Oct 3:56 am EDT
Extended Forecast for

Tarentum PA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming southwest around 5 mph.

    High: 79 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, sunny, with a high near 82. Calm wind.

    High: 82 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 82. Light south wind.

    High: 82 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 8am. Partly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming southwest around 5 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49. Calm wind.
Saturday
Areas of fog before 10am. Otherwise, sunny, with a high near 82. Calm wind.
Saturday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 50. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 82. Light south wind.
Sunday Night
Clear, with a low around 52.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
A chance of showers after 8am. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
Showers. Low around 54. Chance of precipitation is 80%.
Wednesday
Showers. High near 68. Chance of precipitation is 80%.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.61°N 79.75°W (Elev. 833 ft)
Last Update:
4:02 am EDT Oct 3, 2025
Forecast Valid:
4am EDT Oct 3, 2025-6pm EDT Oct 9, 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