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

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

46°F

8°C

Humidity 96%
Wind Speed Calm
Barometer 30.11 in (1019.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 May 6:53 am EDT
Extended Forecast for

2 Miles ESE Sunbury PA

  • Today

    Today: Sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: A chance of showers, mainly before 3am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Light west wind.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%.

    High: 88 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Today
Sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tonight
A chance of showers, mainly before 3am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 84. Light west wind.
Sunday Night
Mostly clear, with a low around 61. Calm wind.
Monday
Sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Mostly sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 56. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Sunbury PA
 40.84°N 76.74°W (Elev. 600 ft)
Last Update:
7:16 am EDT May 16, 2026
Forecast Valid:
7am EDT May 16, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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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