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.

Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed Calm
Barometer 30.04 in (1015.9 mb)
Dewpoint 69°F (21°C)
Visibility 0.75 mi
Last update 15 Jul 3:53 am EDT
Extended Forecast for

Grantham NH

  • Today

    Today: Widespread haze after 10am. Sunny, with a high near 87. Calm wind becoming west around 5 mph.

    High: 87 °F

    Haze

  • Tonight

    Tonight: Widespread haze before 10pm. Patchy fog after 2am. Otherwise, mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Haze then
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 5am, then a chance of showers after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Scattered thunderstorms before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze after 10am. Sunny, with a high near 87. Calm wind becoming west around 5 mph.
Tonight
Widespread haze before 10pm. Patchy fog after 2am. Otherwise, mostly clear, with a low around 66. Calm wind.
Wednesday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 5am, then a chance of showers after 5am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Thursday
Showers likely, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 70%.
Thursday Night
Scattered thunderstorms before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.49°N 72.15°W (Elev. 1138 ft)
Last Update:
1:30 am EDT Jul 15, 2025
Forecast Valid:
4am EDT Jul 15, 2025-6pm EDT Jul 21, 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