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

27°F

-3°C

Humidity 54%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 18 Mar 9:53 pm EDT
Extended Forecast for

3 Miles NNE Grantham NH

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39. South wind around 5 mph.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 27. South wind around 5 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and midnight, then rain showers likely after midnight. Cloudy, with a low around 33. South wind around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.

    High: 48 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 9pm. Partly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. Calm wind.
Thursday
Partly sunny, with a high near 39. South wind around 5 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 27. South wind around 5 mph.
Friday
Partly sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and midnight, then rain showers likely after midnight. Cloudy, with a low around 33. South wind around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A 30 percent chance of showers before 10am. Mostly cloudy, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A chance of rain before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of snow before 9pm. Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Grantham NH
 43.53°N 72.11°W (Elev. 1201 ft)
Last Update:
6:58 pm EDT Mar 18, 2026
Forecast Valid:
10pm EDT Mar 18, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation