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

38°F

3°C

Humidity 65%
Wind Speed W 6 mph
Barometer 30.14 in (1021.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 2 Nov 5:56 am EST
Extended Forecast for

Alton Bay NH

  • Today

    Today: Sunny, with a high near 48. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 4pm. Increasing clouds, with a high near 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 41. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 7pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before 9am. Mostly sunny, with a high near 47.

    High: 47 °F

    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 48. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 31. Calm wind.
Monday
A 20 percent chance of showers after 4pm. Increasing clouds, with a high near 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Showers likely, mainly before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 41. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
A 50 percent chance of showers after 7pm. Mostly cloudy, with a low around 37.
Thursday
A 40 percent chance of showers before 9am. Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 51.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.46°N 71.22°W (Elev. 732 ft)
Last Update:
5:49 am EST Nov 2, 2025
Forecast Valid:
6am EST Nov 2, 2025-6pm EST Nov 8, 2025
 
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