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.

A Few Clouds

78°F

26°C

Humidity 82%
Wind Speed Calm
Barometer 29.67 in (1003.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Jun 8:53 pm EDT
Extended Forecast for

3 Miles NNE Grantham NH

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 61. Light west wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. West wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 56. South wind 5 to 10 mph. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

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

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 61. Light west wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 83. West wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 58. West wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 87. South wind 5 to 10 mph.
Sunday Night
Showers, mainly before 2am. Low around 56. South wind 5 to 10 mph. Chance of precipitation is 90%.
Monday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
Showers likely. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Juneteenth
A 30 percent chance of showers. Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Grantham NH
 43.53°N 72.11°W (Elev. 1201 ft)
Last Update:
7:52 pm EDT Jun 12, 2026
Forecast Valid:
9pm EDT Jun 12, 2026-6pm EDT Jun 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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