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

53°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in (1017.6 mb)
Dewpoint 53°F (12°C)
Visibility 5.00 mi
Last update 29 Jun 4:53 am EDT
Extended Forecast for

3 Miles SE Grantham NH

Extreme Heat Watch July 1, 12:00pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: Sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 93. West wind around 5 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 59. Calm wind.
Tuesday
A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Southwest wind around 5 mph. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 93. West wind around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Thursday
Mostly sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 73.
Friday
Mostly sunny and hot, with a high near 91.
Friday Night
Partly cloudy, with a low around 69.
Independence Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Grantham NH
 43.46°N 72.1°W (Elev. 1243 ft)
Last Update:
2:16 am EDT Jun 29, 2026
Forecast Valid:
4am EDT Jun 29, 2026-6pm EDT Jul 5, 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