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 100%
Wind Speed Calm
Barometer 30.17 in (1021.7 mb)
Dewpoint 58°F (14°C)
Visibility 8.00 mi
Last update 4 Aug 1:56 am EDT
Extended Forecast for

Tarentum PA

  • Overnight

    Overnight: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Monday

    Monday: Patchy fog before 7am. Otherwise, increasing clouds, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Light southeast wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles with a slight chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of sprinkles before 8pm. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Sprinkles

  • Thursday

    Thursday: A chance of sprinkles before 2pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Sprinkles

  • Thursday Night

    Thursday Night: A chance of sprinkles between 8pm and 2am. Mostly clear, with a low around 64.

    Low: 64 °F

    Chance
    Sprinkles

Detailed Forecast

Overnight
Clear, with a low around 55. Calm wind.
Monday
Patchy fog before 7am. Otherwise, increasing clouds, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 60. Calm wind.
Tuesday
Partly sunny, with a high near 86. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62. Light southeast wind.
Wednesday
A chance of sprinkles with a slight chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.
Wednesday Night
A chance of sprinkles before 8pm. Partly cloudy, with a low around 63.
Thursday
A chance of sprinkles before 2pm. Mostly sunny, with a high near 85.
Thursday Night
A chance of sprinkles between 8pm and 2am. Mostly clear, with a low around 64.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 64.
Saturday
A chance of sprinkles. Mostly sunny, with a high near 89.
Saturday Night
A chance of sprinkles. Partly cloudy, with a low around 66.
Sunday
Mostly sunny and hot, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.61°N 79.75°W (Elev. 833 ft)
Last Update:
1:04 am EDT Aug 4, 2025
Forecast Valid:
2am EDT Aug 4, 2025-6pm EDT Aug 10, 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