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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Tarentum PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. Light northeast wind.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. East wind around 6 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, sunny, with a high near 88. Calm wind becoming southeast around 5 mph.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. Light northeast wind.
Sunday
Mostly sunny, with a high near 87. East wind around 6 mph.
Sunday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 7am. Otherwise, sunny, with a high near 88. Calm wind becoming southeast around 5 mph.
Monday Night
Clear, with a low around 64. Calm wind.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny and hot, with a high near 92.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 50%.
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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:
12:11 am EDT Jul 12, 2026
Forecast Valid:
1am EDT Jul 12, 2026-6pm EDT Jul 18, 2026
 
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