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

37°F

3°C

Humidity 70%
Wind Speed SW 9 mph
Barometer 30.06 in (1018.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 20 Apr 7:56 am EDT
Extended Forecast for

Alton NH

  • Today

    Today: A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers between 1pm and 2pm. Partly sunny, with a high near 45. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Isolated
    Rain/Snow

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Southeast wind around 5 mph becoming calm.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46. Calm wind becoming south around 5 mph in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain and snow showers before 1pm, then a slight chance of rain showers between 1pm and 2pm. Partly sunny, with a high near 45. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 25. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 47. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 29. Southeast wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 46. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 58.
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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:
8:32 am EDT Apr 20, 2026
Forecast Valid:
8am EDT Apr 20, 2026-6pm EDT Apr 26, 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