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

30°F

-1°C

Humidity 69%
Wind Speed W 6 mph
Barometer 30.28 in (1025.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 25 Mar 6:56 am EDT
Extended Forecast for

Alton Bay NH

  • Today

    Today: Mostly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain and snow before 3am, then a chance of snow between 3am and 5am, then a chance of rain after 5am. Mostly cloudy, with a low around 34. South wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 8am, then a chance of rain. Mostly cloudy, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 5am. Low around 35. Southwest wind around 10 mph. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain before 9am. Mostly sunny, with a high near 41. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A chance of rain and snow before 3am, then a chance of snow between 3am and 5am, then a chance of rain after 5am. Mostly cloudy, with a low around 34. South wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain and snow before 8am, then a chance of rain. Mostly cloudy, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly before 5am. Low around 35. Southwest wind around 10 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of rain before 9am. Mostly sunny, with a high near 41. Northwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 16.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly cloudy, with a high near 51.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.49°N 71.25°W (Elev. 505 ft)
Last Update:
6:56 am EDT Mar 25, 2026
Forecast Valid:
7am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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