Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Fair
72°F
22°C
| Humidity | 66% |
| Wind Speed | Calm |
| Barometer | 30.00 in (1015.7 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 11 Sep 6:53 pm EDT |
Extended Forecast for
3 Miles NNE Northumberland PA
Tonight

Low: 57 °F
Partly Cloudy
Saturday
High: 78 °F
Partly Sunny
then Slight
Chance
T-stormsSaturday Night

Low: 67 °F
Showers
Sunday
High: 83 °F
Showers
Likely then
Slight Chance
ShowersSunday Night
Low: 59 °F
Partly Cloudy
then Slight
Chance
ShowersMonday

High: 73 °F
Sunny
Monday Night

Low: 50 °F
Mostly Clear
Tuesday

High: 73 °F
Sunny
Tuesday Night

Low: 58 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 57. Calm wind.
Saturday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers and thunderstorms before midnight, then showers and possibly a thunderstorm, mainly after midnight. Low around 67. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 83. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 59. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Northumberland PA
40.93°N 76.78°W (Elev. 600 ft)
40.93°N 76.78°W (Elev. 600 ft)
2:21 pm EDT Sep 11, 2026
7pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026


