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.

A Few Clouds

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 29.95 in (1014.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 9:53 pm EDT
Extended Forecast for

Dalmatia PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 8am. High near 72. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers before 7pm. Patchy fog before 1am, then areas of fog after 3am. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers then
    Areas Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 78. Calm wind. Chance of precipitation is 20%.

    High: 78 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly between 8pm and 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. Calm wind.
Thursday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 8am. High near 72. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers before 7pm. Patchy fog before 1am, then areas of fog after 3am. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers after 2pm. Areas of fog before 10am. Otherwise, mostly sunny, with a high near 78. Calm wind. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly between 8pm and 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.
Saturday
Showers likely and possibly a thunderstorm, mainly after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 58. Chance of precipitation is 30%.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dalmatia PA
 40.65°N 76.89°W (Elev. 499 ft)
Last Update:
8:11 pm EDT Aug 19, 2026
Forecast Valid:
10pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation