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.

Mostly Cloudy

41°F

5°C

Humidity 45%
Wind Speed NW 3 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 25 Mar 8:56 pm EDT
Extended Forecast for

Alton Bay NH

  • Tonight

    Tonight: A slight chance of rain between 11pm and 2am, then a chance of rain and snow. Cloudy, with a low around 35. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 59. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 2am. Low around 35. Northwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Friday

    Friday: Partly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17. North wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 11pm and 2am, then a chance of rain and snow. Cloudy, with a low around 35. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of rain before 1pm, then a chance of rain after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 59. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain, mainly before 2am. Low around 35. Northwest wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Partly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 17. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly cloudy, with a high near 50.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.48°N 71.22°W (Elev. 889 ft)
Last Update:
6:53 pm EDT Mar 25, 2026
Forecast Valid:
9pm EDT Mar 25, 2026-6pm EDT Apr 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