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.

Overcast

63°F

17°C

Humidity 38%
Wind Speed SW 12 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Apr 9:56 pm EDT
Extended Forecast for

Alton Bay NH

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 2am. Cloudy, then becoming partly cloudy toward daybreak, with a low around 39. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 48. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 53 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Showers, mainly after 10pm. Low around 38. South wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after 7pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly between 11pm and 2am. Cloudy, then becoming partly cloudy toward daybreak, with a low around 39. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 48. Northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 31. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Showers, mainly after 10pm. Low around 38. South wind 5 to 10 mph. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A 50 percent chance of showers after 7pm. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers before 10am, then a chance of showers after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.48°N 71.22°W (Elev. 889 ft)
Last Update:
2:34 pm EDT Apr 10, 2026
Forecast Valid:
10pm EDT Apr 10, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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