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

48°F

9°C

Humidity 71%
Wind Speed NW 12 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 4 Apr 5:56 am EDT
Extended Forecast for

Alton Bay NH

  • Today

    Today: Mostly sunny, with a high near 53. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 33. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Mostly Cloudy
    then Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers. Patchy dense fog between 8am and 2pm. High near 52. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers and
    Patchy Dense
    Fog

  • Sunday Night

    Sunday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 32. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 32 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 44. West wind around 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow showers. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Snow
    Showers

  • Tuesday Night

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

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 53. Northwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tonight
Showers likely, mainly after 4am. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 33. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers. Patchy dense fog between 8am and 2pm. High near 52. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 32. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 44. West wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
A 40 percent chance of snow showers. Partly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Sunny, with a high near 45.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.48°N 71.22°W (Elev. 889 ft)
Last Update:
2:31 am EDT Apr 4, 2026
Forecast Valid:
6am EDT Apr 4, 2026-6pm EDT Apr 10, 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