Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Fog/Mist
59°F
15°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 30.17 in (1021.9 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 5.00 mi |
| Last update | 4 Oct 1:53 pm EDT |
Extended Forecast for
Northumberland PA
This Afternoon
High: 60 °F
Chance Light
RainTonight
Low: 51 °F
Patchy Fog
Monday
High: 67 °F
Mostly Sunny
Monday Night
Low: 40 °F
Mostly Clear
Tuesday
High: 64 °F
Sunny
Tuesday Night
Low: 40 °F
Clear
Wednesday
High: 71 °F
Sunny
Wednesday Night
Low: 48 °F
Mostly Clear
Thursday
High: 74 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Areas of drizzle with a chance of light rain. Cloudy, with a high near 60. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 51. Calm wind.
Monday
Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 40. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 64. Calm wind.
Tuesday Night
Clear, with a low around 40.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 46.
Saturday
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 76.79°W (Elev. 482 ft)
40.89°N 76.79°W (Elev. 482 ft)
2:20 pm EDT Oct 4, 2026
2pm EDT Oct 4, 2026-6pm EDT Oct 10, 2026
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