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Hazardous Weather Conditions

Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

53°F

12°C

Humidity 43%
Wind Speed NW 9 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 2 May 2:53 pm EDT
Extended Forecast for

Sunbury PA

Frost Advisory May 2, 11:00pm until May 3, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy
    then Frost

  • Sunday

    Sunday: Widespread frost before 8am. Otherwise, sunny, with a high near 60. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 60 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. Light southwest wind.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 52. Light south wind. Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

Detailed Forecast

Tonight
Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost before 8am. Otherwise, sunny, with a high near 60. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 43. Light southwest wind.
Monday
Mostly sunny, with a high near 71. Southwest wind 5 to 9 mph, with gusts as high as 21 mph.
Monday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 52. Light south wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Showers. High near 67. Chance of precipitation is 90%.
Wednesday Night
Showers. Low around 53. Chance of precipitation is 80%.
Thursday
Showers. High near 65. Chance of precipitation is 80%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 43.
Saturday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sunbury PA
 40.87°N 76.79°W (Elev. 482 ft)
Last Update:
2:21 pm EDT May 2, 2026
Forecast Valid:
3pm EDT May 2, 2026-6pm EDT May 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation