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.

Mostly Cloudy

39°F

4°C

Humidity 45%
Wind Speed W 9 mph
Barometer 30.27 in (1025.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 24 Mar 1:56 pm EDT
Extended Forecast for

Alton Bay NH

  • This Afternoon

    This Afternoon: Sunny, with a high near 41. West wind around 5 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Southwest wind around 5 mph.

    Low: 25 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Southwest wind 5 to 10 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 32. South wind around 5 mph.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of rain. Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain before 8am. Mostly sunny, with a high near 42.

    High: 42 °F

    Chance Rain
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 41. West wind around 5 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 47. Southwest wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 32. South wind around 5 mph.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Rain. Low around 35. Chance of precipitation is 80%.
Friday
A 30 percent chance of rain before 8am. Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 13.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.48°N 71.22°W (Elev. 889 ft)
Last Update:
2:39 am EDT Mar 24, 2026
Forecast Valid:
2pm EDT Mar 24, 2026-6pm EDT Mar 30, 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