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.

Overcast

32°F

0°C

Humidity 96%
Wind Speed NE 3 mph
Barometer 29.84 in (1011.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 22 Mar 9:56 pm EDT
Extended Forecast for

Alton Bay NH

  • Tonight

    Tonight: Cloudy, with a low around 27. Northeast wind 5 to 10 mph.

    Low: 27 °F

    Cloudy

  • Monday

    Monday: A slight chance of snow showers and freezing rain before 8am, then a chance of snow showers. Cloudy, with a high near 37. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Slight Chance
    Wintry Mix
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 22. North wind around 5 mph.

    Low: 22 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 41. Northwest wind around 5 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West wind around 5 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 2pm, mixing with snow after 5pm. Partly sunny, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Rain/Snow

Detailed Forecast

Tonight
Cloudy, with a low around 27. Northeast wind 5 to 10 mph.
Monday
A slight chance of snow showers and freezing rain before 8am, then a chance of snow showers. Cloudy, with a high near 37. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 40 percent chance of snow showers, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 22. North wind around 5 mph.
Tuesday
Sunny, with a high near 41. Northwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 25. West wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A chance of rain after 2pm, mixing with snow after 5pm. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Thursday Night
Rain and snow. Low around 32. Chance of precipitation is 80%.
Friday
A chance of rain and snow before 11am. Partly sunny, with a high near 41. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 43.
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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:
7:11 pm EDT Mar 22, 2026
Forecast Valid:
10pm EDT Mar 22, 2026-6pm EDT Mar 29, 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