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.

Fog/Mist

39°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 30.03 in (1016.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Mar 5:53 am EDT
Extended Forecast for

2 Miles NNW Grantham NH

  • Today

    Today: A 50 percent chance of rain after 1pm. Patchy fog between 3pm and 5pm. Otherwise, mostly cloudy, with a high near 44. Southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: Rain likely, mainly before 5am. Patchy fog. Otherwise, cloudy, with a temperature falling to near 41 by 8pm, then rising to around 52 during the remainder of the night. South wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F⇑

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain before 11am, then a chance of sleet between 11am and 2pm, then a slight chance of snow after 2pm. Partly sunny, with a temperature falling to around 31 by 5pm. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F⇓

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Friday

    Friday: A 30 percent chance of snow after 3pm. Partly sunny, with a high near 38. West wind 5 to 10 mph becoming south in the afternoon.

    High: 38 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Snow likely, mainly between 11pm and midnight. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Snow Likely

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 2pm. Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
A 50 percent chance of rain after 1pm. Patchy fog between 3pm and 5pm. Otherwise, mostly cloudy, with a high near 44. Southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 5am. Patchy fog. Otherwise, cloudy, with a temperature falling to near 41 by 8pm, then rising to around 52 during the remainder of the night. South wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain before 11am, then a chance of sleet between 11am and 2pm, then a slight chance of snow after 2pm. Partly sunny, with a temperature falling to around 31 by 5pm. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West wind around 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of snow after 3pm. Partly sunny, with a high near 38. West wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Snow likely, mainly between 11pm and midnight. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A 30 percent chance of snow after 2pm. Mostly cloudy, with a high near 37.
Sunday Night
A chance of snow before 11pm, then rain, snow, and freezing rain likely. Cloudy, with a low around 30. Chance of precipitation is 60%.
Monday
Rain. High near 53. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Grantham NH
 43.51°N 72.15°W (Elev. 1138 ft)
Last Update:
4:19 am EDT Mar 11, 2026
Forecast Valid:
6am EDT Mar 11, 2026-6pm EDT Mar 17, 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