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

76°F

24°C

Humidity 50%
Wind Speed N 5 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Aug 4:56 pm EDT
Extended Forecast for

Tarentum PA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 53. North wind 5 to 7 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 84. Light east wind.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 53. North wind 5 to 7 mph becoming calm after midnight.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 84. Light east wind.
Saturday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 62. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 68. Light south wind.
Monday
Partly sunny and hot, with a high near 90.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Partly sunny and hot, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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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:
2:21 pm EDT Aug 28, 2026
Forecast Valid:
5pm EDT Aug 28, 2026-6pm EDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation