Laconia, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Laconia, a city in Belknap County, New Hampshire.
Overnight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. Wind around 0 mph.
7-day forecast for Laconia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Partly Cloudy | 0 mph | 2% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Wednesday Night | 50°F | Partly Cloudy | 0 mph | 2% |
| Thursday | 67°F | Mostly Cloudy then Light Rain Likely | 0 to 10 mph SW | 64% |
| Thursday Night | 55°F | Chance Light Rain | 0 to 5 mph SW | 34% |
| Friday | 66°F | Chance Light Rain | 0 mph | 46% |
| Friday Night | 51°F | Light Rain | 0 mph | 79% |
| Saturday | 60°F | Light Rain Likely | 0 to 5 mph N | 64% |
| Saturday Night | 43°F | Chance Light Rain | 0 to 5 mph N | 40% |
| Sunday | 54°F | Chance Light Rain | 5 to 10 mph NW | 33% |
| Sunday Night | 36°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Monday | 52°F | Slight Chance Light Rain | 5 to 10 mph W | 16% |
| Monday Night | 33°F | Partly Cloudy | 5 mph W | 14% |
| Tuesday | 53°F | Mostly Sunny | 5 to 10 mph W | 10% |
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 Nov 4, 2026.