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

76°F

24°C

Humidity 69%
Wind Speed SW 7 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 1:56 pm EDT
Extended Forecast for

3 Miles SSW West Sunbury PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 79. West wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Light northeast wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Widespread dense fog, mainly between 1am and 5am. Otherwise, mostly clear, with a low around 54. Light northeast wind.

    Low: 54 °F

    Mostly Clear
    then Dense
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, sunny, with a high near 80. Southeast wind around 6 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 79. West wind 5 to 8 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 11am, then a chance of showers and thunderstorms after 11am. Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Light northeast wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Widespread dense fog, mainly between 1am and 5am. Otherwise, mostly clear, with a low around 54. Light northeast wind.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 80. Southeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW West Sunbury PA
 40.98°N 79.9°W (Elev. 1299 ft)
Last Update:
2:21 pm EDT Aug 19, 2026
Forecast Valid:
2pm EDT Aug 19, 2026-6pm EDT Aug 25, 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