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

40°F

4°C

Humidity 35%
Wind Speed S 7 mph
Barometer 30.20 in (1023.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 24 Mar 7:53 pm EDT
Extended Forecast for

Grantham NH

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind around 5 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 34. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain. Low around 31. Southwest wind around 5 mph. Chance of precipitation is 80%.

    Low: 31 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain before 8am. Mostly sunny, with a high near 37.

    High: 37 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 46. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 34. South wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers after 3pm. Mostly cloudy, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Rain. Low around 31. Southwest wind around 5 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of rain before 8am. Mostly sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 14.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.49°N 72.12°W (Elev. 1070 ft)
Last Update:
7:16 pm EDT Mar 24, 2026
Forecast Valid:
8pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation