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.

Light Rain Fog/Mist

52°F

11°C

Humidity 89%
Wind Speed N 3 mph
Barometer 29.69 in (1005.0 mb)
Dewpoint 49°F (9°C)
Visibility 5.00 mi
Last update 6 May 6:53 pm EDT
Extended Forecast for

Grantham NH

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely
    then Patchy
    Fog

  • Thursday

    Thursday: Sunny, with a high near 56. West wind 5 to 10 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. West wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54. West wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 10pm. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

Detailed Forecast

Tonight
Rain likely, mainly before 10pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Sunny, with a high near 56. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 35. West wind around 5 mph.
Friday
Mostly sunny, with a high near 54. West wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 37. Calm wind.
Saturday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 41.
Sunday
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 68.
Sunday Night
Showers, mainly after 10pm. Low around 44. Chance of precipitation is 80%.
Monday
Showers, mainly before 5pm. High near 58. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.49°N 72.12°W (Elev. 1070 ft)
Last Update:
2:19 pm EDT May 6, 2026
Forecast Valid:
7pm EDT May 6, 2026-6pm EDT May 13, 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