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.

Partly Cloudy

69°F

21°C

Humidity 66%
Wind Speed S 3 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 24 Aug 6:53 pm EDT
Extended Forecast for

3 Miles NNE Grantham NH

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm.

    Low: 53 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming northwest around 5 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 79.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 9pm. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 53. Southwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. Calm wind.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming northwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 58. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 79.
Friday Night
A 30 percent chance of showers before 9pm. Partly cloudy, with a low around 56.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Grantham NH
 43.53°N 72.11°W (Elev. 1201 ft)
Last Update:
2:20 pm EDT Aug 24, 2026
Forecast Valid:
7pm EDT Aug 24, 2026-6pm EDT Aug 31, 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