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.

Light Rain

46°F

8°C

Humidity 96%
Wind Speed E 5 mph
Barometer 29.83 in (1010.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Oct 12:56 am EDT
Extended Forecast for

Alton Bay NH

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy dense fog before 9am. Otherwise, increasing clouds, with a high near 70. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Northwest wind around 5 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 7am. High near 55. Chance of precipitation is 100%.

    High: 55 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 60%.

    Low: 36 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Breezy.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 47. Calm wind.
Wednesday
Patchy dense fog before 9am. Otherwise, increasing clouds, with a high near 70. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 57. Northwest wind around 5 mph.
Thursday Night
A 30 percent chance of showers after 3am. Mostly cloudy, with a low around 42. Calm wind.
Friday
Showers, mainly after 7am. High near 55. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 42. Breezy.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.49°N 71.25°W (Elev. 505 ft)
Last Update:
2:31 pm EDT Oct 13, 2026
Forecast Valid:
1am EDT Oct 14, 2026-6pm EDT Oct 20, 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