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

21°F

-6°C

Humidity 54%
Wind Speed NW 3 mph
Barometer 30.14 in (1021.6 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 18 Mar 2:53 am EDT
Extended Forecast for

3 Miles NNE Grantham NH

  • Overnight

    Overnight: Mostly clear, with a low around 11. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. Wind chill values as low as zero. West wind 5 to 10 mph.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. Calm wind becoming southeast around 5 mph.

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40. South wind 5 to 10 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. South wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain after 10pm, mixing with snow after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 8am, then a chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 11. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 31. Wind chill values as low as zero. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 20. Calm wind becoming southeast around 5 mph.
Thursday
Partly sunny, with a high near 40. South wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 26. South wind around 5 mph.
Friday
Partly sunny, with a high near 47.
Friday Night
A chance of rain after 10pm, mixing with snow after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
A chance of rain and snow before 8am, then a chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 31.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 42.
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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:
1:59 am EDT Mar 18, 2026
Forecast Valid:
3am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation