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

Wellsboro Johnston Airport (KN38)

Lat: 41.73°NLon: 77.4°WElev: 1892ft.

Fog

54°F

12°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.98 in
Dewpoint 54°F (12°C)
Visibility 0.15 mi
Last update 19 Aug 3:55 am EDT
Extended Forecast for

Nelson PA

  • Today

    Today: A chance of showers and thunderstorms, mainly after 3pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 55. Light west wind.

    Low: 55 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers between 9am and 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Decreasing
    Clouds

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Patchy Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 3pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming west 5 to 9 mph in the morning. 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 1am. Otherwise, mostly cloudy, with a low around 55. Light west wind.
Thursday
A chance of showers between 9am and 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 78. Light and variable wind.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A chance of showers after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Sunday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Nelson PA
 41.97°N 77.25°W (Elev. 1099 ft)
Last Update:
2:21 am EDT Aug 19, 2026
Forecast Valid:
4am EDT Aug 19, 2026-6pm EDT Aug 25, 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