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.

Overcast

49°F

9°C

Humidity 97%
Wind Speed NE 6 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 14 Oct 1:53 am EDT
Extended Forecast for

Grantham NH

  • Overnight

    Overnight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 67. West wind 5 to 10 mph.

    High: 67 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Northwest wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 39. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers. High near 54. Chance of precipitation is 100%.

    High: 54 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 31. Blustery. Chance of precipitation is 60%.

    Low: 31 °F

    Showers
    Likely and
    Breezy then
    Chance
    Showers and
    Blustery

  • Saturday

    Saturday: Partly sunny, with a high near 39. Breezy.

    High: 39 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 49. Calm wind.
Wednesday
Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 67. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 40. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 54. Northwest wind 5 to 10 mph.
Thursday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 39. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%.
Friday
Showers. High near 54. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 31. Blustery. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 39. Breezy.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.51°N 72.12°W (Elev. 1142 ft)
Last Update:
1:31 am EDT Oct 14, 2026
Forecast Valid:
2am EDT Oct 14, 2026-6pm EDT Oct 20, 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