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.

Fair

68°F

20°C

Humidity 87%
Wind Speed E 3 mph
Barometer 29.85 in (1009.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 May 6:53 am EDT
Extended Forecast for

4 Miles SSW Grantham NH

  • Today

    Today: A slight chance of showers and thunderstorms between 11am and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 86. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Northwest wind around 5 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 62. Northwest wind around 5 mph.

    High: 62 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming northwest around 5 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 11am and 3pm, then a slight chance of showers after 3pm. Mostly sunny, with a high near 86. West wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 46. Northwest wind around 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 62. Northwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 63.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 43.
Memorial Day
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Grantham NH
 43.45°N 72.16°W (Elev. 965 ft)
Last Update:
6:46 am EDT May 20, 2026
Forecast Valid:
7am EDT May 20, 2026-6pm EDT May 26, 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