National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Fair

57°F

14°C

Humidity 44%
Wind Speed E 7 mph
Barometer 30.42 in (1031.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 9 Oct 5:56 pm EDT
Extended Forecast for

Tarentum PA

Frost Advisory October 10, 12:00am until October 10, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Patchy frost after 4am. Otherwise, clear, with a low around 34. East wind around 6 mph.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 67 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. South wind 3 to 6 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. South wind 3 to 7 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 50. East wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy frost after 4am. Otherwise, clear, with a low around 34. East wind around 6 mph.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 43. South wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 71. South wind 3 to 7 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50. East wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Columbus Day
Partly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.59°N 79.76°W (Elev. 1001 ft)
Last Update:
12:39 pm EDT Oct 9, 2025
Forecast Valid:
6pm EDT Oct 9, 2025-6pm EDT Oct 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation