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

64°F

18°C

Humidity 96%
Wind Speed S 5 mph
Barometer 29.86 in (1010.5 mb)
Dewpoint 63°F (17°C)
Visibility 4.00 mi
Last update 23 Aug 9:53 pm EDT
Extended Forecast for

2 Miles ENE Grantham NH

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy dense fog. Otherwise, partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers and
    Patchy Dense
    Fog

  • Monday

    Monday: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Patchy Dense
    Fog then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 75. West wind around 5 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. West wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy dense fog. Otherwise, partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy dense fog before 9am. Otherwise, mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 75. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 54. West wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 81.
Thursday Night
A chance of showers and thunderstorms before 9pm, then showers likely and possibly a thunderstorm between 9pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 80.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Grantham NH
 43.5°N 72.09°W (Elev. 1099 ft)
Last Update:
7:04 pm EDT Aug 23, 2026
Forecast Valid:
10pm EDT Aug 23, 2026-6pm EDT Aug 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