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

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in (1017.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Nov 11:56 pm EST
Extended Forecast for

Tarentum PA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Areas Fog

  • Veterans Day

    Veterans Day: Areas of fog before 10am. Otherwise, increasing clouds, with a high near 61. Light and variable wind.

    High: 61 °F

    Areas Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 5am. Patchy fog between 8pm and 1am. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Rain before 11am, then rain after noon. High near 51. Light and variable wind becoming northwest 10 to 15 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 32. Northwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly clear, with a low around 37. Calm wind.
Veterans Day
Areas of fog before 10am. Otherwise, increasing clouds, with a high near 61. Light and variable wind.
Wednesday Night
Rain likely, mainly after 5am. Patchy fog between 8pm and 1am. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain before 11am, then rain after noon. High near 51. Light and variable wind becoming northwest 10 to 15 mph in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain. Cloudy, with a low around 32. Northwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 29.
Monday
Areas of fog. Otherwise, partly sunny, with a high near 50.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 29.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.61°N 79.75°W (Elev. 833 ft)
Last Update:
12:16 am EST Nov 11, 2026
Forecast Valid:
12am EST Nov 11, 2026-6pm EST Nov 17, 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