Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. Read More >

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

69°F

21°C

Humidity 30%
Wind Speed N 7 mph
Barometer 30.19 in (1022.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 1 Oct 5:53 pm EDT
Extended Forecast for

Sunbury PA

  • Tonight

    Tonight: Mostly clear, with a low around 41. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 74. Light south wind.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am.  Otherwise, sunny, with a high near 80.

    High: 80 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 41. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 70. Calm wind.
Thursday Night
Partly cloudy, with a low around 45. Calm wind.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74. Light south wind.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 45. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 79.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 48.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 80.
Sunday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 52.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 81.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 56.
Tuesday
A chance of showers. Patchy fog. Otherwise, mostly sunny, with a high near 82. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sunbury PA
 40.87°N 76.79°W (Elev. 482 ft)
3:26 pm EDT Oct 1, 2025
6pm EDT Oct 1, 2025-6pm EDT Oct 8, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database