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

82°F

28°C

Humidity 49%
Wind Speed SW 13 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Aug 4:56 pm EDT
Extended Forecast for

Alton Bay NH

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind around 5 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog between 3am and 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 53. Northwest wind around 5 mph.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 75. Calm wind becoming west around 5 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind around 5 mph.
Tonight
Patchy fog between 3am and 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 53. Northwest wind around 5 mph.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 75. Calm wind becoming west around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 58. Calm wind.
Sunday
Mostly sunny, with a high near 81. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 74.
Tuesday Night
Showers likely, mainly after 9pm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
A chance of showers. Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.46°N 71.22°W (Elev. 732 ft)
Last Update:
4:41 pm EDT Aug 28, 2026
Forecast Valid:
5pm EDT Aug 28, 2026-6pm EDT Sep 4, 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