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

73°F

23°C

Humidity 69%
Wind Speed E 3 mph
Barometer 30.10 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 22 Aug 10:56 am EDT
Extended Forecast for

Tarentum PA

  • Today

    Today: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 58. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind.
Tonight
Mostly clear, with a low around 62. Calm wind.
Saturday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 58. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 74.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 48.
Thursday
Patchy fog. Otherwise, sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.61°N 79.75°W (Elev. 833 ft)
Last Update:
7:06 am EDT Aug 22, 2025
Forecast Valid:
11am EDT Aug 22, 2025-6pm EDT Aug 28, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation