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.

Overcast

67°F

19°C

Humidity 91%
Wind Speed SW 3 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 23 Sep 3:56 pm EDT
Extended Forecast for

Alton Bay NH

  • This Afternoon

    This Afternoon: Scattered showers, mainly before 5pm. Mostly cloudy, with a high near 73. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Scattered
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 1am and 3am. Mostly cloudy, with a low around 60. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 11am. Cloudy, with a high near 67. Northeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly after 7pm. Patchy fog before 3am, then patchy fog after 5am. Otherwise, cloudy, with a low around 56. Northeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Scattered
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers. Patchy fog before 8am. High near 68. East wind around 5 mph. Chance of precipitation is 80%.

    High: 68 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers, mainly before 3am. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 11am. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers, mainly before 5pm. Mostly cloudy, with a high near 73. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 40 percent chance of showers, mainly between 1am and 3am. Mostly cloudy, with a low around 60. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of showers, mainly before 11am. Cloudy, with a high near 67. Northeast wind 5 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Scattered showers, mainly after 7pm. Patchy fog before 3am, then patchy fog after 5am. Otherwise, cloudy, with a low around 56. Northeast wind around 5 mph. Chance of precipitation is 40%.
Thursday
Showers. Patchy fog before 8am. High near 68. East wind around 5 mph. Chance of precipitation is 80%.
Thursday Night
Showers, mainly before 3am. Low around 61. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers before 11am. Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.49°N 71.25°W (Elev. 505 ft)
Last Update:
3:28 pm EDT Sep 23, 2025
Forecast Valid:
4pm EDT Sep 23, 2025-6pm EDT Sep 30, 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