National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lebanon Municipal Airport (KLEB)

Lat: 43.63°NLon: 72.31°WElev: 558ft.

Fair

59°F

15°C

Humidity 36%
Wind Speed Calm
Barometer 30.47 in (1031.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 23 May 8:53 pm EDT
Extended Forecast for

Grantham NH

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Cloudy, with a low around 42. Southeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Cloudy then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 9am, then rain between 9am and 5pm, then showers likely after 5pm. High near 51. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 2am, then showers likely after 3am. Low around 43. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Memorial Day

    Memorial Day: Showers likely, mainly before 9am. Mostly cloudy, with a high near 71. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 5am. Cloudy, with a low around 42. Southeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before 9am, then rain between 9am and 5pm, then showers likely after 5pm. High near 51. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain before 2am, then showers likely after 3am. Low around 43. East wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Memorial Day
Showers likely, mainly before 9am. Mostly cloudy, with a high near 71. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 50. Calm wind.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
A chance of showers between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 46.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 66.
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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:
7:31 pm EDT May 23, 2026
Forecast Valid:
9pm EDT May 23, 2026-6pm EDT May 30, 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