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 86%
Wind Speed Calm
Barometer 30.22 in (1023.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 14 May 1:56 am EDT
Extended Forecast for

Alton Bay NH

  • Overnight

    Overnight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after midnight. Cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 67. Calm wind becoming southeast around 5 mph.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers, mainly after 2pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly sunny, with a high near 71. Light south wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers, mainly after midnight. Cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 67. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 58. Calm wind.
Friday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 77.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Saturday
Showers, mainly after 2pm. High near 67. Chance of precipitation is 80%.
Saturday Night
Showers, mainly before 2am. Low around 55. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 70.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 47.
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:
1:30 am EDT May 14, 2025
Forecast Valid:
2am EDT May 14, 2025-6pm EDT May 20, 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