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

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in (1015.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Jul 1:56 am EDT
Extended Forecast for

Tarentum PA

  • Overnight

    Overnight: Areas of fog after 3am. Otherwise, mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Areas Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.

    Low: 64 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 68. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Scattered
    T-storms then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Areas of fog after 3am. Otherwise, mostly clear, with a low around 61. Calm wind.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 85. Light and variable wind.
Sunday Night
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.
Monday
Scattered showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 68. South wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.59°N 79.76°W (Elev. 1001 ft)
Last Update:
2:21 am EDT Jul 26, 2026
Forecast Valid:
2am EDT Jul 26, 2026-6pm EDT Aug 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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