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.

Overcast

66°F

19°C

Humidity 87%
Wind Speed S 5 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 1 Sep 6:53 pm EDT
Extended Forecast for

Lebanon NH

  • Tonight

    Tonight: A slight chance of showers between 1am and 2am. Patchy fog after 4am. Otherwise, cloudy, with a low around 58. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 58 °F

    Cloudy then
    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 71. Southeast wind around 5 mph.

    High: 71 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Slight Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers after 5pm. High near 71. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 1am and 2am. Patchy fog after 4am. Otherwise, cloudy, with a low around 58. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Patchy dense fog before 9am. Otherwise, mostly cloudy, with a high near 71. Southeast wind around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers after 5pm. High near 71. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 62. Calm wind.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 51.
Labor Day
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon NH
 43.65°N 72.24°W (Elev. 699 ft)
Last Update:
2:29 pm EDT Sep 1, 2026
Forecast Valid:
7pm EDT Sep 1, 2026-6pm EDT Sep 8, 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