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

38°F

3°C

Humidity 62%
Wind Speed E 9 G 18 mph
Barometer 30.36 in (1029.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 5 Mar 3:56 pm EST
Extended Forecast for

Alton Bay NH

  • Tonight

    Tonight: Snow and freezing rain likely, possibly mixed with sleet before 1am, then snow, possibly mixed with sleet between 1am and 2am, then snow after 2am. Low around 21. Northeast wind around 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow and sleet accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Wintry Mix
    Likely then
    Snow/Sleet

  • Friday

    Friday: Snow likely, mainly before 9am. Patchy fog after 1pm. Otherwise, cloudy, with a high near 33. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely
    then Patchy
    Fog

  • Friday Night

    Friday Night: Patchy freezing rain after midnight. Patchy fog. Otherwise, cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%.

    Low: 27 °F

    Patchy Fog
    then Patchy
    Freezing Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Areas of freezing rain before 8am, then areas of drizzle between 8am and 1pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 45. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 45 °F

    Areas
    Drizzle/Freezing
    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before 3am. Mostly cloudy, with a low around 41. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow and freezing rain likely, possibly mixed with sleet before 1am, then snow, possibly mixed with sleet between 1am and 2am, then snow after 2am. Low around 21. Northeast wind around 10 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow and sleet accumulation of 1 to 2 inches possible.
Friday
Snow likely, mainly before 9am. Patchy fog after 1pm. Otherwise, cloudy, with a high near 33. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Patchy freezing rain after midnight. Patchy fog. Otherwise, cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%.
Saturday
Areas of freezing rain before 8am, then areas of drizzle between 8am and 1pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 45. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A 50 percent chance of showers before 3am. Mostly cloudy, with a low around 41. Southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton Bay NH
 43.48°N 71.22°W (Elev. 889 ft)
Last Update:
1:52 pm EST Mar 5, 2026
Forecast Valid:
4pm EST Mar 5, 2026-6pm EDT Mar 12, 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