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

31°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 30.06 in (1018.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 7 Oct 2:53 am EDT
Extended Forecast for

3 Miles SSW Grantham NH

  • Overnight

    Overnight: Widespread frost. Otherwise, mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon.

    High: 62 °F

    Frost then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. South wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers between 9am and 10am. Mostly sunny, with a high near 65. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. West wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Widespread frost. Otherwise, mostly clear, with a low around 31. Calm wind.
Wednesday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 46. South wind around 5 mph.
Thursday
A chance of showers between 9am and 10am. Mostly sunny, with a high near 65. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 42. West wind around 5 mph.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Columbus Day
A 50 percent chance of showers. Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Grantham NH
 43.45°N 72.16°W (Elev. 965 ft)
Last Update:
2:44 am EDT Oct 7, 2026
Forecast Valid:
3am EDT Oct 7, 2026-6pm EDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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