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

77°F

25°C

Humidity 39%
Wind Speed S 13 G 16 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 Nov 1:56 pm EST
Extended Forecast for

Tarentum PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 82. South wind 7 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm, then rain after 3am. Low around 60. South wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Rain

  • Thursday

    Thursday: A chance of rain, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. West wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 63. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 63 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain after 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.

    High: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 82. South wind 7 to 10 mph.
Tonight
Rain likely and possibly a thunderstorm, then rain after 3am. Low around 60. South wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of rain, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind 8 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 47. West wind around 6 mph becoming calm in the evening.
Friday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 63. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 30%.
Friday Night
A chance of rain, mainly before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
A chance of rain after 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.59°N 79.76°W (Elev. 1001 ft)
Last Update:
2:21 pm EST Nov 4, 2026
Forecast Valid:
2pm EST Nov 4, 2026-6pm EST Nov 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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