Laconia, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Laconia, a city in Belknap County, New Hampshire.
Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. West wind 0 to 5 mph.
7-day forecast for Laconia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Saturday | 64°F | Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 47°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 59°F | Rain Showers | 0 to 5 mph SE | 81% |
| Sunday Night | 50°F | Rain Showers | 0 mph | 76% |
| Monday | 64°F | Mostly Sunny | 0 to 5 mph N | 2% |
| Monday Night | 46°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Tuesday | 61°F | Partly Sunny | 5 mph NE | 1% |
| Tuesday Night | 45°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 60°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 45°F | Mostly Cloudy | 0 to 5 mph E | 8% |
| Thursday | 58°F | Chance Rain Showers | 5 mph NE | 25% |
| Thursday Night | 48°F | Chance Rain Showers | 0 to 5 mph NE | 25% |
| Friday | 63°F | Chance Rain Showers | 5 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Laconia (43.577, -71.482). Updated through the day.
Growing snapshot for Laconia
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
170 days
Hardiness zone
5b
More local growing data for Laconia: nearby ZIP 03246 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lakeport 2, Nh (2.1 mi from Laconia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.