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

3°F

-16°C

Humidity 91%
Wind Speed SW 6 mph
Barometer 29.85 in (1012.1 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 27 Jan 11:56 pm EST
Extended Forecast for

Alton Bay NH

  • Overnight

    Overnight: Mostly cloudy, then gradually becoming clear, with a low around -1. Wind chill values as low as -12. Northwest wind around 10 mph.

    Low: -1 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 18. Wind chill values as low as -14. West wind 5 to 10 mph.

    High: 18 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 17. Wind chill values as low as -4. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 17 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -5.

    Low: -5 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming clear, with a low around -1. Wind chill values as low as -12. Northwest wind around 10 mph.
Wednesday
Increasing clouds, with a high near 18. Wind chill values as low as -14. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 3. Calm wind.
Thursday
Partly sunny, with a high near 17. Wind chill values as low as -4. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 0. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 12.
Friday Night
Mostly clear, with a low around -5.
Saturday
Sunny, with a high near 19.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
A 30 percent chance of snow showers after 1pm. Mostly cloudy, with a high near 23.
Sunday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 27.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.48°N 71.22°W (Elev. 889 ft)
Last Update:
12:00 am EST Jan 28, 2026
Forecast Valid:
12am EST Jan 28, 2026-6pm EST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation