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

65°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 29.99 in (1015.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 28 Aug 6:56 am EDT
Extended Forecast for

Alton NH

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northwest wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. West wind around 5 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °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 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

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

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 5pm. Partly sunny, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 54. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 75. West wind around 5 mph.
Saturday Night
Mostly clear, with a low around 57. Calm wind.
Sunday
Mostly sunny, with a high near 79. 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 76.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Showers likely, mainly after 5pm. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
A 30 percent 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 NH
 43.46°N 71.22°W (Elev. 732 ft)
Last Update:
6:45 am EDT Aug 28, 2026
Forecast Valid:
7am EDT Aug 28, 2026-6pm EDT Sep 3, 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