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

38°F

3°C

Humidity 55%
Wind Speed Calm
Barometer 30.40 in (1029.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 12 Apr 12:53 am EDT
Extended Forecast for

Grantham NH

  • Overnight

    Overnight: Clear, with a low around 29. Northwest wind around 5 mph becoming calm.

    Low: 29 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 53 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 39. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Monday

    Monday: A 50 percent chance of showers after 10am. Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54. West wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 29. Northwest wind around 5 mph becoming calm.
Sunday
Increasing clouds, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Rain, mainly before 4am. Low around 39. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 50 percent chance of showers after 10am. Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 54. West wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 71.
Tuesday Night
A 40 percent chance of showers before 3am. Mostly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 73.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 71.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 69.
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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:
11:53 pm EDT Apr 11, 2026
Forecast Valid:
1am EDT Apr 12, 2026-6pm EDT Apr 18, 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