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.

Fair

-7°F

-22°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 30.02 in (1018.0 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 1 Feb 12:56 am EST
Extended Forecast for

Alton Bay NH

  • Overnight

    Overnight: Partly cloudy, with a low around -3. Wind chill values as low as -15. North wind around 5 mph.

    Low: -3 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 23. Wind chill values as low as -13. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 23 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 5. Wind chill values as low as -6. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 25. Wind chill values as low as -7. Northwest wind 5 to 10 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 2. Northwest wind around 5 mph becoming calm in the evening.

    Low: 2 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around -3. Wind chill values as low as -15. North wind around 5 mph.
Sunday
Partly sunny, with a high near 23. Wind chill values as low as -13. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -6. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 25. Wind chill values as low as -7. Northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 2. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Mostly clear, with a low around 5.
Thursday
Mostly sunny, with a high near 24.
Thursday Night
Partly cloudy, with a low around 3.
Friday
Mostly cloudy, with a high near 24.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 9.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 17.
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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:
12:59 am EST Feb 1, 2026
Forecast Valid:
1am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation