Hazardous Weather Conditions
Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Fog/Mist
40°F
4°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.06 in (1018.0 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 1.00 mi |
| Last update | 7 Oct 3:53 am EDT |
Extended Forecast for
Northumberland PA
Frost Advisory until October 7, 09:00am
NOW until 9:00am Wed
Frost Advisory
Overnight
Low: 36 °F
Mostly Clear
Wednesday
High: 71 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Thursday
High: 73 °F
Sunny
Thursday Night
Low: 44 °F
Mostly Clear
Friday
High: 71 °F
Sunny
Friday Night
Low: 45 °F
Mostly Clear
Saturday
High: 73 °F
Sunny
Detailed Forecast
Overnight
Mostly clear, with a low around 36. Calm wind.
Wednesday
Sunny, with a high near 71. Calm wind becoming south 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 50. Light south wind.
Thursday
Sunny, with a high near 73. Calm wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 44. Light west wind.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Showers likely, mainly after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Sunday Night
Showers. Low around 57. Chance of precipitation is 80%.
Columbus Day
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 71.
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)
2:21 am EDT Oct 7, 2026
4am EDT Oct 7, 2026-6pm EDT Oct 13, 2026
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