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

Hazardous Weather Conditions

Current conditions at

Laconia, Laconia Municipal Airport (KLCI)

Lat: 43.57°NLon: 71.42°WElev: 545ft.

A Few Clouds

-4°F

-20°C

Humidity 83%
Wind Speed SW 5 mph
Barometer 29.91 in (1014.1 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 29 Jan 4:56 am EST
Extended Forecast for

Alton Bay NH

Cold Weather Advisory January 30, 12:00am until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 18. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 18 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -3. Wind chill values as low as -17. West wind around 10 mph, with gusts as high as 25 mph.

    Low: -3 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and cold, with a high near 9. Wind chill values as low as -20. West wind around 10 mph, with gusts as high as 20 mph.

    High: 9 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -4. Wind chill values as low as -14. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: -4 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 17. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 17 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 4pm. Mostly cloudy, with a high near 23.

    High: 23 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 18. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around -3. Wind chill values as low as -17. West wind around 10 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and cold, with a high near 9. Wind chill values as low as -20. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around -4. Wind chill values as low as -14. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 17. Northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Partly cloudy, with a low around -2.
Sunday
A 30 percent chance of snow after 4pm. Mostly cloudy, with a high near 23.
Sunday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 10.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Mostly sunny, with a high near 25.
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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:
12:52 am EST Jan 29, 2026
Forecast Valid:
5am EST Jan 29, 2026-6pm EST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation