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

55°F

13°C

Humidity 90%
Wind Speed Calm
Barometer 29.99 in (1015.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Jul 2:56 am EDT
Extended Forecast for

Alton Bay NH

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Southeast wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely, mainly after 4pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Calm wind.
Sunday
Sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm.
Monday
Sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 59. Southeast wind around 5 mph becoming calm.
Tuesday
Showers likely, mainly after 4pm. Partly sunny, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 72. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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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:
2:17 am EDT Jul 26, 2026
Forecast Valid:
3am EDT Jul 26, 2026-6pm EDT Aug 1, 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