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.

Light Rain

35°F

2°C

Humidity 85%
Wind Speed W 7 mph
Barometer 29.82 in (1010.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 Apr 5:56 pm EDT
Extended Forecast for

Alton Bay NH

  • Tonight

    Tonight: Rain and snow likely, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 29. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow
    Likely then
    Mostly Clear

  • Monday

    Monday: A slight chance of rain and snow showers before 5pm, then a slight chance of snow showers. Increasing clouds, with a high near 44. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Northwest wind around 5 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Southeast wind around 5 mph becoming calm.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain and snow likely, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 29. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
A slight chance of rain and snow showers before 5pm, then a slight chance of snow showers. Increasing clouds, with a high near 44. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 25. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 29. Southeast wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 35.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 53.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 55.
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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:
2:51 pm EDT Apr 19, 2026
Forecast Valid:
6pm EDT Apr 19, 2026-6pm EDT Apr 26, 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