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.

Partly Cloudy

58°F

14°C

Humidity 50%
Wind Speed S 8 mph
Barometer 29.83 in (1010.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 7 Oct 7:56 pm EDT
Extended Forecast for

Alton NH

  • Tonight

    Tonight: Partly cloudy, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 67. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. West wind 5 to 10 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. West wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 4am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 50. South wind around 5 mph.
Thursday
A 50 percent chance of showers before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 67. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 48. West wind 5 to 10 mph.
Friday
Sunny, with a high near 60. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 39. West wind around 5 mph.
Saturday
Sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 69.
Sunday Night
Showers, mainly before 4am. Low around 55. Chance of precipitation is 80%.
Columbus Day
A 30 percent chance of showers before 9am. Mostly cloudy, with a high near 65.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 58.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton NH
 43.46°N 71.22°W (Elev. 732 ft)
Last Update:
8:15 pm EDT Oct 7, 2026
Forecast Valid:
8pm EDT Oct 7, 2026-6pm EDT Oct 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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