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.

Fair

83°F

28°C

Humidity 48%
Wind Speed S 8 mph
Barometer 30.09 in (1018.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 5 Aug 5:53 pm EDT
Extended Forecast for

Lebanon Municipal Airport NH

  • Tonight

    Tonight: Areas of dense fog after 1am. Otherwise, mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy
    then Areas
    Dense Fog

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Areas of dense fog before 8am. Otherwise, mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Areas Dense
    Fog then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Areas Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of dense fog after 1am. Otherwise, mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Areas of dense fog before 8am. Otherwise, mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms after 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny, with a high near 86.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Lebanon Municipal Airport NH
 43.62°N 72.31°W (Elev. 597 ft)
Last Update:
2:31 pm EDT Aug 5, 2026
Forecast Valid:
6pm EDT Aug 5, 2026-6pm EDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation