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

49°F

9°C

Humidity 56%
Wind Speed SE 12 G 20 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Mar 8:53 am EDT
Extended Forecast for

Grantham NH

  • Today

    Today: A 50 percent chance of showers, mainly after 2pm. Patchy fog between 3pm and 5pm. Otherwise, mostly cloudy, with a high near 47. Southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers likely, mainly before 5am. Patchy fog. Otherwise, cloudy, with a low around 41. Southeast 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

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of rain before noon, then a chance of snow. Partly sunny, with a temperature falling to around 31 by 5pm. West wind 10 to 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
    Showers then
    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 23. West wind 5 to 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 around 5 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 36.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °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 showers, mainly after 2pm. Patchy fog between 3pm and 5pm. Otherwise, mostly cloudy, with a high near 47. Southeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before 5am. Patchy fog. Otherwise, cloudy, with a low around 41. Southeast 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 noon, then a chance of snow. Partly sunny, with a temperature falling to around 31 by 5pm. West wind 10 to 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 5 to 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 around 5 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 36.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
A 30 percent chance of snow after 2pm. Mostly cloudy, with a high near 37.
Sunday Night
A chance of snow and freezing rain 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 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.49°N 72.15°W (Elev. 1138 ft)
Last Update:
8:25 am EDT Mar 11, 2026
Forecast Valid:
9am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation