National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Laconia, Laconia Municipal Airport (KLCI)

Lat: 43.57°NLon: 71.42°WElev: 545ft.

Overcast and Breezy

35°F

2°C

Humidity 70%
Wind Speed W 24 G 35 mph
Barometer 29.26 in (991.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 11 Dec 5:56 am EST
Extended Forecast for

Alton Bay NH

  • Today

    Today: Mostly sunny, with a temperature falling to around 21 by 5pm. Breezy, with a west wind 10 to 20 mph, with gusts as high as 40 mph.

    High: 30 °F⇓

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 13. Wind chill values as low as -2. West wind around 15 mph, with gusts as high as 40 mph.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 26. Wind chill values as low as -1. West wind around 15 mph, with gusts as high as 35 mph.

    High: 26 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 15. West wind 5 to 10 mph.

    Low: 15 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 31. Southwest wind around 5 mph.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers after 5am. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Sunday

    Sunday: A 30 percent chance of snow before 2pm. Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a temperature falling to around 21 by 5pm. Breezy, with a west wind 10 to 20 mph, with gusts as high as 40 mph.
Tonight
Partly cloudy, with a low around 13. Wind chill values as low as -2. West wind around 15 mph, with gusts as high as 40 mph.
Friday
Sunny, with a high near 26. Wind chill values as low as -1. West wind around 15 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 15. West wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 31. Southwest wind around 5 mph.
Saturday Night
A 30 percent chance of snow showers after 5am. Mostly cloudy, with a low around 18.
Sunday
A 30 percent chance of snow before 2pm. Mostly cloudy, with a high near 27.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Partly sunny, with a high near 34.
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:
6:08 am EST Dec 11, 2025
Forecast Valid:
6am EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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