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.

A Few Clouds

35°F

2°C

Humidity 78%
Wind Speed NA
Barometer 30.17 in (1022.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 22 Apr 6:56 am EDT
Extended Forecast for

Alton Bay NH

  • Today

    Today: A chance of rain and snow showers before 11am, then a chance of rain showers. Cloudy, with a high near 43. South wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 11pm and 1am. Cloudy, with a low around 36. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 52. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Northwest wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52. Northwest wind 5 to 10 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
A chance of rain and snow showers before 11am, then a chance of rain showers. Cloudy, with a high near 43. South wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers, mainly between 11pm and 1am. Cloudy, with a low around 36. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 52. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 31. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 52. Northwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 55.
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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:
2:33 am EDT Apr 22, 2026
Forecast Valid:
7am EDT Apr 22, 2026-6pm EDT Apr 28, 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