Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fog

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in (1019.9 mb)
Dewpoint 52°F (11°C)
Visibility 0.25 mi
Last update 21 Aug 5:53 am EDT
Extended Forecast for

3 Miles SE Sunbury PA

Dense Fog Advisory until August 21, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until August 21, 10:00am

    NOW until 10:00am Fri

    Dense Fog Advisory

  • Today

    High: 79 °F

    Dense Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers, mainly after 2pm.  Areas of fog before 9am.  Otherwise, partly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Areas Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Areas of fog after 11pm.  Otherwise, mostly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely and
    Areas Fog

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 78. Calm wind becoming west 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: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Today
Widespread dense fog before 11am. Otherwise, sunny, with a high near 79. Calm wind.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 59. Calm wind.
Saturday
A chance of showers, mainly after 2pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Areas of fog after 11pm. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 78. Calm wind becoming west 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.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sunbury PA
 40.84°N 76.74°W (Elev. 600 ft)
6:11 am EDT Aug 21, 2026
6am EDT Aug 21, 2026-6pm EDT Aug 27, 2026
 
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Additional Resources

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