News Headlines
- When does the first frost occur in Central PA? See when the first 36 degree temperatures typically occur.
- A 5th tornado has been determined to have occurred in Central PA (Burnside Twp in northern Centre County) on July 18th, 2026. See details.
- See information on the Cyclone (PA) Tornado of Sept 9th, 2026
Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Fair
39°F
4°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.26 in (1024.7 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 25 Sep 6:53 am EDT |
Extended Forecast for
Sunbury PA
Today
High: 71 °F
Patchy Fog
then Mostly
SunnyTonight
Low: 50 °F
Partly Cloudy
Saturday
High: 69 °F
Chance Rain
Saturday Night
Low: 55 °F
Chance Rain
Sunday
High: 67 °F
Rain Likely
Sunday Night
Low: 55 °F
Rain Likely
then Slight
Chance RainMonday
High: 70 °F
Mostly Cloudy
Monday Night
Low: 55 °F
Mostly Cloudy
Tuesday
High: 72 °F
Partly Sunny
Detailed Forecast
Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 50. North wind 5 to 7 mph, with gusts as high as 21 mph.
Saturday
A chance of rain, mainly between noon and 2pm. Mostly cloudy, with a high near 69. North wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of rain, mainly between 8pm and 2am. Cloudy, with a low around 55. North wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 67. North wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy, with a high near 70.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sunbury PA
40.87°N 76.79°W (Elev. 482 ft)
40.87°N 76.79°W (Elev. 482 ft)
6:11 am EDT Sep 25, 2026
7am EDT Sep 25, 2026-6pm EDT Oct 1, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
