Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

84°F

29°C

Humidity 74%
Wind Speed Calm
Barometer 30.03 in (1016.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 30 Jul 10:53 am EDT
Extended Forecast for

Sunbury PA

Heat Advisory July 30, 11:26am until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 30, 11:26am until July 30, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 96 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 1am.  Partly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall.  High near 83. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 83 °F

    Chance
    T-storms then
    Heavy Rain

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall.  Low around 64. Northeast wind 3 to 5 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Heavy Rain

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 75. Northeast wind around 7 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Today
Isolated showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 96. Heat index values as high as 104. Light southwest wind. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 83. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 64. Northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 75. Northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunbury PA
 40.87°N 76.79°W (Elev. 482 ft)
7:19 am EDT Jul 30, 2025
11am EDT Jul 30, 2025-6pm EDT Aug 5, 2025
 
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Additional Resources

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