National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Thunderstorm Heavy Rain Fog

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 29.89 in (1012.0 mb)
Dewpoint 66°F (19°C)
Visibility 0.50 mi
Last update 22 Jun 4:53 pm EDT
Extended Forecast for

2 Miles E Sunbury PA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Light south wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 5am. Patchy fog between 10pm and 3am. Low around 61. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 79. North wind around 8 mph, with gusts as high as 20 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. North wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light northwest wind.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday 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. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Light south wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 3am, then a slight chance of showers between 3am and 5am. Patchy fog between 10pm and 3am. Low around 61. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 79. North wind around 8 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 55. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 82. Light northwest wind.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Thursday 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. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
A chance of showers before 8am. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Sunbury PA
 40.86°N 76.77°W (Elev. 499 ft)
Last Update:
5:02 pm EDT Jun 22, 2026
Forecast Valid:
5pm EDT Jun 22, 2026-6pm EDT Jun 29, 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