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.

Fog/Mist

52°F

11°C

Humidity 93%
Wind Speed S 3 mph
Barometer 30.20 in (1022.2 mb)
Dewpoint 50°F (10°C)
Visibility 1.00 mi
Last update 15 Jun 6:53 am EDT
Extended Forecast for

Grantham NH

  • Today

    Today: Mostly sunny, with a high near 69. Calm wind becoming south around 5 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers before 10pm. Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 51 °F

    Isolated
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Southeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. Calm wind becoming south around 5 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 69. Calm wind becoming south around 5 mph.
Tonight
Isolated showers before 10pm. Mostly cloudy, with a low around 51. South wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 54. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 74. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 65.
Juneteenth
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grantham NH
 43.51°N 72.15°W (Elev. 1138 ft)
Last Update:
5:44 am EDT Jun 15, 2025
Forecast Valid:
7am EDT Jun 15, 2025-6pm EDT Jun 21, 2025
 
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