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.

Overcast

39°F

4°C

Humidity 93%
Wind Speed Calm
Barometer 29.07 in (984.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 16 Nov 6:53 am EST
Extended Forecast for

Grantham NH

  • Today

    Today: A slight chance of rain before 1pm, then a slight chance of rain and snow between 1pm and 2pm, then a slight chance of snow after 2pm. Mostly cloudy, with a high near 42. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 3am. Mostly cloudy, with a low around 26. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Monday

    Monday: Partly sunny, with a high near 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 34 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. West wind around 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of rain before 1pm, then a slight chance of rain and snow between 1pm and 2pm, then a slight chance of snow after 2pm. Mostly cloudy, with a high near 42. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of snow before 3am. Mostly cloudy, with a low around 26. West wind around 15 mph, with gusts as high as 30 mph.
Monday
Partly sunny, with a high near 34. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 26. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 38. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Partly sunny, with a high near 40.
Thursday Night
A chance of snow between midnight and 3am, then a chance of rain after 3am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Friday
Rain likely. Cloudy, with a high near 46. Chance of precipitation is 60%.
Friday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.51°N 72.15°W (Elev. 1138 ft)
Last Update:
5:33 am EST Nov 16, 2025
Forecast Valid:
7am EST Nov 16, 2025-6pm EST Nov 22, 2025
 
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