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

37°F

3°C

Humidity 67%
Wind Speed Calm
Barometer 30.30 in (1026.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 5 Mar 9:56 am EST
Extended Forecast for

Alton Bay NH

  • Today

    Today: Mostly cloudy, with a high near 36. East wind 5 to 10 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after 11pm. Low around 20. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow

  • Friday

    Friday: Snow likely, possibly mixed with sleet before 8am, then a chance of snow between 8am and 2pm. Cloudy, with a high near 31. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.

    High: 31 °F

    Snow/Sleet
    Likely then
    Slight Chance
    Snow

  • Friday Night

    Friday Night: A chance of freezing rain after 4am. Cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%.

    Low: 27 °F

    Cloudy then
    Chance
    Freezing Rain

  • Saturday

    Saturday: Cloudy, with a high near 47. Light south wind increasing to 5 to 10 mph in the morning.

    High: 47 °F

    Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain before 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 36. East wind 5 to 10 mph.
Tonight
Snow, mainly after 11pm. Low around 20. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow likely, possibly mixed with sleet before 8am, then a chance of snow between 8am and 2pm. Cloudy, with a high near 31. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.
Friday Night
A chance of freezing rain after 4am. Cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%.
Saturday
Cloudy, with a high near 47. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
A 50 percent chance of rain before 1am. Mostly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
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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:
6:11 am EST Mar 5, 2026
Forecast Valid:
10am EST Mar 5, 2026-6pm EDT Mar 11, 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