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

46°F

8°C

Humidity 89%
Wind Speed Calm
Barometer 30.38 in (1028.9 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 3 Oct 11:56 pm EDT
Extended Forecast for

Alton NH

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, increasing clouds, with a high near 61. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers between 11pm and midnight. Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 62 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 42. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 61. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
A 20 percent chance of showers between 11pm and midnight. Increasing clouds, with a low around 47. Calm wind.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 39. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Clear, with a low around 37.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 61.
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:
2:58 pm EDT Oct 3, 2026
Forecast Valid:
12am EDT Oct 4, 2026-6pm EDT Oct 10, 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