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

41°F

5°C

Humidity 39%
Wind Speed NW 9 mph
Barometer 29.82 in (1010.3 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Feb 11:56 am EST
Extended Forecast for

Alton Bay NH

  • This Afternoon

    This Afternoon: A slight chance of snow between 2pm and 4pm. Mostly cloudy, with a high near 35. Northwest wind around 5 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A slight chance of snow between 9pm and 10pm. Mostly cloudy, with a low around 16. Calm wind. Chance of precipitation is 20%.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Chance Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow. Low around 22. Chance of precipitation is 90%.

    Low: 22 °F

    Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 3am. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow after 2pm. Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

This Afternoon
A slight chance of snow between 2pm and 4pm. Mostly cloudy, with a high near 35. Northwest wind around 5 mph. Chance of precipitation is 20%.
Tonight
A slight chance of snow between 9pm and 10pm. Mostly cloudy, with a low around 16. Calm wind. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 37. Calm wind.
Thursday Night
Partly cloudy, with a low around 17. Calm wind.
Friday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 35. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 22. Chance of precipitation is 90%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 30.
Saturday Night
A 30 percent chance of snow before 3am. Mostly cloudy, with a low around 13.
Sunday
A 30 percent chance of snow after 2pm. Partly sunny, with a high near 32.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 31.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 24.
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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:
6:08 am EST Feb 18, 2026
Forecast Valid:
12pm EST Feb 18, 2026-6pm EST Feb 24, 2026
 
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