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

21°F

-6°C

Humidity 43%
Wind Speed SW 7 mph
Barometer 29.90 in (1013.5 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 9 Dec 8:56 pm EST
Extended Forecast for

Alton Bay NH

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 16. Southwest wind around 5 mph.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow. High near 33. South wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 27. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 31. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 16. Southwest wind around 5 mph.
Wednesday
Rain, possibly mixed with snow. High near 33. South wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Rain and snow likely before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 27. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 31. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 15. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.49°N 71.25°W (Elev. 505 ft)
Last Update:
1:16 pm EST Dec 9, 2025
Forecast Valid:
9pm EST Dec 9, 2025-6pm EST Dec 16, 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