National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Laconia, Laconia Municipal Airport (KLCI)

Lat: 43.57°NLon: 71.42°WElev: 545ft.

Partly Cloudy

72°F

22°C

Humidity 59%
Wind Speed NW 7 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 May 4:56 pm EDT
Extended Forecast for

Alton Bay NH

  • Tonight

    Tonight: Mostly clear, with a low around 52. Northwest wind 5 to 10 mph becoming light in the evening.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Light west wind increasing to 5 to 10 mph in the morning.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 9am. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after noon. Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Northwest wind 5 to 10 mph becoming light in the evening.
Tuesday
Sunny, with a high near 83. Light west wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 83. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm.
Thursday
A 40 percent chance of showers after 9am. Partly sunny, with a high near 68.
Thursday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 48.
Friday
A 40 percent chance of showers after noon. Partly sunny, with a high near 64.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 61.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 69.
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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:
2:25 pm EDT May 25, 2026
Forecast Valid:
5pm EDT May 25, 2026-6pm EDT Jun 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