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

71°F

22°C

Humidity 46%
Wind Speed W 13 G 22 mph
Barometer 29.54 in (999.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 19 Jun 7:56 pm EDT
Extended Forecast for

Alton Bay NH

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 71. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Northwest wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers likely after 5pm. Partly sunny, with a high near 74. West wind around 5 mph. Chance of precipitation is 60%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A chance of showers between 10am and 2pm, then rain likely after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely before 8pm, then showers, mainly after 8pm. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 71. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 57. Northwest wind around 5 mph.
Sunday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers likely after 5pm. Partly sunny, with a high near 74. West wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 57. Calm wind.
Monday
A chance of showers between 10am and 2pm, then rain likely after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Monday Night
Rain likely before 8pm, then showers, mainly after 8pm. Low around 58. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 76.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
Showers likely. Partly sunny, with a high near 74. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.46°N 71.25°W (Elev. 1306 ft)
Last Update:
7:03 pm EDT Jun 19, 2026
Forecast Valid:
8pm EDT Jun 19, 2026-6pm EDT Jun 26, 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