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

Lebanon Municipal Airport (KLEB)

Lat: 43.63°NLon: 72.31°WElev: 558ft.

Mostly Cloudy

59°F

15°C

Humidity 96%
Wind Speed Calm
Barometer 30.00 in (1015.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 25 Aug 10:53 pm EDT
Extended Forecast for

Lebanon NH

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 82 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 2am. Low around 63. South wind around 5 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 54. Calm wind.
Wednesday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 80. Calm wind.
Wednesday Night
Partly cloudy, with a low around 58. Calm wind.
Thursday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. South wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 2am. Low around 63. South wind around 5 mph. Chance of precipitation is 80%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 58.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon NH
 43.65°N 72.24°W (Elev. 699 ft)
Last Update:
8:16 pm EDT Aug 25, 2026
Forecast Valid:
11pm EDT Aug 25, 2026-6pm EDT Sep 1, 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