News Headlines
Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Overcast
71°F
22°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 29.89 in (1011.7 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 8.00 mi |
| Last update | 2 Aug 2:53 am EDT |
Extended Forecast for
3 Miles E Northumberland PA
Today
High: 79 °F
Slight Chance
T-storms then
Showers
LikelyTonight
Low: 68 °F
Showers
Monday
High: 81 °F
Chance
Showers then
Heavy RainMonday Night
Low: 62 °F
Partly Cloudy
then Patchy
FogTuesday
High: 82 °F
Patchy Fog
then Chance
ShowersTuesday Night
Low: 66 °F
Chance
ShowersWednesday
High: 83 °F
Partly Sunny
then Chance
T-stormsWednesday Night
Low: 68 °F
Chance
T-stormsThursday
High: 84 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. South wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Low around 68. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 62. Calm wind.
Tuesday
A chance of showers after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Calm wind. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Northumberland PA
40.88°N 76.73°W (Elev. 741 ft)
40.88°N 76.73°W (Elev. 741 ft)
2:21 am EDT Aug 2, 2026
4am EDT Aug 2, 2026-6pm EDT Aug 8, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
