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.

Mostly Cloudy

44°F

7°C

Humidity 96%
Wind Speed NE 5 mph
Barometer 30.49 in (1032.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 22 Sep 11:53 pm EDT
Extended Forecast for

Grantham NH

  • Overnight

    Overnight: Patchy fog before 2am. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 63. East wind around 5 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 9pm and 2am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog
    then Patchy
    Frost and
    Areas Fog

  • Thursday

    Thursday: Patchy frost before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 4am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog before 2am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 63. East wind around 5 mph.
Wednesday Night
Patchy fog between 9pm and 2am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Thursday
Patchy frost before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. Calm wind.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 60.
Saturday Night
A 30 percent chance of showers before 4am. Mostly cloudy, with a low around 48.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 62.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.49°N 72.12°W (Elev. 1070 ft)
Last Update:
2:24 pm EDT Sep 22, 2026
Forecast Valid:
12am EDT Sep 23, 2026-6pm EDT Sep 29, 2026
 
Forecast Discussion
 
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Additional Resources

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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