National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Overcast

55°F

13°C

Humidity 83%
Wind Speed SE 3 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 12:53 pm EDT
Extended Forecast for

Herndon PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 61. Northeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. South wind 5 to 10 mph.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. South wind around 8 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 72. South wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers between 8am and 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 61. Northeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 55. South wind around 8 mph.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 72. South wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
A chance of showers between 8am and 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Herndon PA
 40.72°N 76.85°W (Elev. 397 ft)
Last Update:
12:41 pm EDT May 12, 2024
Forecast Valid:
1pm EDT May 12, 2024-6pm EDT May 18, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation