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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ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.49°N 72.12°W (Elev. 1070 ft)
11:53 pm EDT Apr 11, 2026
1am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
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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