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

40°F

4°C

Humidity 97%
Wind Speed Vrbl 5 mph
Barometer 29.81 in (1009.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 1 Apr 4:56 am EDT
Extended Forecast for

Alton Bay NH

  • Overnight

    Overnight: A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 37. Southwest wind around 5 mph.

    Low: 37 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers before 9am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 55. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 55 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. North wind around 5 mph becoming northeast after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow showers and sleet before 8am, then a chance of sleet between 8am and 5pm, then a chance of rain showers and sleet after 5pm. Mostly cloudy, with a high near 37. East wind around 10 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Cloudy, with a low around 32. East wind around 5 mph.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 8pm. Cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 37. Southwest wind around 5 mph.
Wednesday
A 20 percent chance of showers before 9am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 55. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 32. North wind around 5 mph becoming northeast after midnight.
Thursday
A chance of snow showers and sleet before 8am, then a chance of sleet between 8am and 5pm, then a chance of rain showers and sleet after 5pm. Mostly cloudy, with a high near 37. East wind around 10 mph. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 32. East wind around 5 mph.
Friday
Mostly cloudy, with a high near 59.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A 50 percent chance of showers after 8pm. Cloudy, with a low around 36.
Sunday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 44.
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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:
2:27 am EDT Apr 1, 2026
Forecast Valid:
5am EDT Apr 1, 2026-6pm EDT Apr 7, 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