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.

Mostly Cloudy

7°F

-14°C

Humidity 73%
Wind Speed W 10 mph
Barometer 29.80 in (1010.3 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 27 Jan 2:56 am EST
Extended Forecast for

Alton Bay NH

  • Overnight

    Overnight: Mostly clear, with a low around 4. Wind chill values as low as -12. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 4 °F

    Mostly Clear

  • Tuesday

    Tuesday: Isolated snow showers after 4pm. Increasing clouds, with a high near 16. Wind chill values as low as -11. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 16 °F

    Mostly Sunny
    then Isolated
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Wind chill values as low as -10. Calm wind becoming west around 5 mph in the evening.

    Low: -1 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 17. Wind chill values as low as -13. West wind 5 to 10 mph.

    High: 17 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 1. Calm wind becoming west around 5 mph.

    Low: 1 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -2.

    Low: -2 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 4. Wind chill values as low as -12. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Isolated snow showers after 4pm. Increasing clouds, with a high near 16. Wind chill values as low as -11. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -1. Wind chill values as low as -10. Calm wind becoming west around 5 mph in the evening.
Wednesday
Mostly sunny, with a high near 17. Wind chill values as low as -13. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 1. Calm wind becoming west around 5 mph.
Thursday
Mostly sunny, with a high near 18.
Thursday Night
Mostly clear, with a low around 0.
Friday
Mostly sunny, with a high near 14.
Friday Night
Mostly clear, with a low around -2.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 28.
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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:
12:30 am EST Jan 27, 2026
Forecast Valid:
3am EST Jan 27, 2026-6pm EST Feb 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation