National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lebanon Municipal Airport (KLEB)

Lat: 43.63°NLon: 72.31°WElev: 558ft.

Fair

68°F

20°C

Humidity 90%
Wind Speed S 3 mph
Barometer 30.18 in (1021.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 10 Aug 10:53 pm EDT
Extended Forecast for

Grantham NH

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, partly sunny through mid morning, then becoming sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and midnight. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 61. Calm wind.
Monday
Patchy fog before 9am. Otherwise, partly sunny through mid morning, then becoming sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 61. Calm wind.
Tuesday
Sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph.
Tuesday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and midnight. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.47°N 72.13°W (Elev. 1027 ft)
Last Update:
10:29 pm EDT Aug 10, 2025
Forecast Valid:
11pm EDT Aug 10, 2025-6pm EDT Aug 17, 2025
 
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