Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Mostly Cloudy
56°F
13°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.02 in (1016.5 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 8.00 mi |
| Last update | 5 Oct 6:53 am EDT |
Extended Forecast for
Northumberland PA
Today
High: 66 °F
Patchy Dense
Fog then
SunnyTonight
Low: 41 °F
Clear
Tuesday
High: 63 °F
Sunny
Tuesday Night
Low: 42 °F
Clear
Wednesday
High: 70 °F
Sunny
Wednesday Night
Low: 49 °F
Mostly Clear
Thursday
High: 72 °F
Mostly Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Friday
High: 71 °F
Sunny
Detailed Forecast
Today
Patchy dense fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 66. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Clear, with a low around 41. Light northwest wind.
Tuesday
Sunny, with a high near 63. Light west wind.
Tuesday Night
Clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 70. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 69.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Northumberland PA
40.89°N 76.82°W (Elev. 545 ft)
40.89°N 76.82°W (Elev. 545 ft)
6:41 am EDT Oct 5, 2026
7am EDT Oct 5, 2026-6pm EDT Oct 11, 2026
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