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.

Overcast

38°F

3°C

Humidity 100%
Wind Speed NW 8 mph
Barometer 29.83 in
Dewpoint 38°F (3°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 26 Dec 11:56 pm EST
Extended Forecast for

Tarentum PA

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, cloudy, with a low around 34. Northwest wind 5 to 7 mph.

    Low: 34 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 40. Light north wind.

    High: 40 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday

    Sunday: Rain. High near 59. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 51. South wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain Likely
    then Rain

  • Monday

    Monday: Rain before 1pm, then snow likely, possibly mixed with rain. High near 55. Breezy. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Breezy. Rain
    then
    Rain/Snow

  • Monday Night

    Monday Night: Snow. Low around 20. Breezy. Chance of precipitation is 90%.

    Low: 20 °F

    Snow and
    Breezy

  • Tuesday

    Tuesday: A chance of snow before 1pm. Mostly cloudy, with a high near 28. Breezy. Chance of precipitation is 40%.

    High: 28 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, cloudy, with a low around 34. Northwest wind 5 to 7 mph.
Saturday
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 40. Light north wind.
Saturday Night
Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 30. Calm wind.
Sunday
Rain. High near 59. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Low around 51. South wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain before 1pm, then snow likely, possibly mixed with rain. High near 55. Breezy. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Snow. Low around 20. Breezy. Chance of precipitation is 90%.
Tuesday
A chance of snow before 1pm. Mostly cloudy, with a high near 28. Breezy. Chance of precipitation is 40%.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 50%.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 28. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
Mostly sunny, with a high near 23.
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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:
11:58 pm EST Dec 26, 2025
Forecast Valid:
12am EST Dec 27, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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