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

47°F

8°C

Humidity 77%
Wind Speed SW 10 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 2 Jun 2:56 am EDT
Extended Forecast for

Alton Bay NH

  • Overnight

    Overnight: Mostly clear, with a low around 43. West wind around 5 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68. West wind around 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. West wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. West wind around 5 mph.
Monday
Mostly sunny, with a high near 68. West wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 45. West wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. Calm wind.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 64.
Friday
A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 81.
Friday Night
Showers likely. Cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57.
Sunday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.46°N 71.22°W (Elev. 732 ft)
Last Update:
2:23 am EDT Jun 2, 2025
Forecast Valid:
3am EDT Jun 2, 2025-6pm EDT Jun 8, 2025
 
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