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

Laconia, Laconia Municipal Airport (KLCI)

Lat: 43.57°NLon: 71.42°WElev: 545ft.

Light Snow

25°F

-4°C

Humidity 81%
Wind Speed E 9 mph
Barometer 29.91 in (1013.6 mb)
Dewpoint 20°F (-7°C)
Visibility 8.00 mi
Wind Chill16°F (-9°C)
Last update 21 Feb 8:56 am EST
Extended Forecast for

Alton Bay NH

  • Today

    Today: Mostly cloudy, with a high near 32. Northeast wind around 5 mph becoming calm in the morning.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33. Calm wind becoming east around 5 mph in the morning.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow after 8pm. Mostly cloudy, with a low around 19. Northeast wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Chance Snow

  • Monday

    Monday: Snow likely. Cloudy, with a high near 27. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Snow Likely
    and Blustery

  • Monday Night

    Monday Night: A 30 percent chance of snow before 9pm. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after 2pm. Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 32. Northeast wind around 5 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 12. Calm wind.
Sunday
Partly sunny, with a high near 33. Calm wind becoming east around 5 mph in the morning.
Sunday Night
A 50 percent chance of snow after 8pm. Mostly cloudy, with a low around 19. Northeast wind 5 to 15 mph, with gusts as high as 30 mph.
Monday
Snow likely. Cloudy, with a high near 27. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Monday Night
A 30 percent chance of snow before 9pm. Mostly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
A 30 percent chance of snow after 2pm. Partly sunny, with a high near 30.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.48°N 71.22°W (Elev. 889 ft)
Last Update:
7:58 am EST Feb 21, 2026
Forecast Valid:
9am EST Feb 21, 2026-6pm EST Feb 27, 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