Laconia, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Laconia, a town in Harrison County, Indiana.
Today
85°F
Sunny
Sunny, with a high near 85. Northeast wind around 5 mph.
7-day forecast for Laconia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 mph NE | 0% |
| Tonight | 66°F | Mostly Clear | 1 to 5 mph N | 0% |
| Wednesday | 88°F | Sunny | 2 mph N | 7% |
| Wednesday Night | 68°F | Mostly Clear | 3 mph S | 7% |
| Thursday | 89°F | Mostly Sunny | 1 to 7 mph SW | 12% |
| Thursday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 mph S | 37% |
| Friday | 87°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 43% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 43% |
| Saturday | 87°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 41% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 32% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 16% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 16% |
| Monday | 90°F | Sunny | 3 to 8 mph SW | 10% |
| Monday Night | 73°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph SW | 16% |
Forecast source: National Weather Service (api.weather.gov) for Laconia (38.032, -86.086). Updated through the day.
Growing snapshot for Laconia
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
186 days
Hardiness zone
7a
More local growing data for Laconia: nearby ZIP 47135 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Brandenburg, Ky (6.8 mi from Laconia). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.