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

78°F

26°C

Humidity 40%
Wind Speed E 8 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Heat Index79°F (26°C)
Last update 3 Aug 3:56 pm EDT
Extended Forecast for

Tarentum PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Light east wind.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Calm wind.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

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

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles after 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Sprinkles

  • Wednesday Night

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

    Low: 63 °F

    Chance
    Sprinkles

  • Thursday

    Thursday: A chance of sprinkles before 2pm, then a chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Light east wind.
Tonight
Clear, with a low around 56. Calm wind.
Monday
Sunny, 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
Mostly sunny, with a high near 87. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
A chance of sprinkles after 2pm. Partly sunny, with a high near 84.
Wednesday Night
A chance of sprinkles before 8pm. Mostly cloudy, with a low around 63.
Thursday
A chance of sprinkles before 2pm, then a chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm, then a chance of sprinkles between 8pm and 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A chance of sprinkles. Mostly sunny, with a high near 89.
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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:
4:04 pm EDT Aug 3, 2025
Forecast Valid:
4pm EDT Aug 3, 2025-6pm EDT Aug 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