Chain-O-Lakes, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chain-O-Lakes, a community in St. Joseph County, Indiana.
This Afternoon
67°F
Isolated Rain Showers
Isolated rain showers before 3pm. Partly sunny. High near 67, with temperatures falling to around 60 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Chain-O-Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Isolated Rain Showers | 15 mph SW | 22% |
| Tonight | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SW | 16% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph SW | 40% |
| Thursday Night | 40°F | Rain Showers Likely | 5 to 10 mph NW | 71% |
| Friday | 50°F | Rain Showers Likely | 10 to 15 mph NW | 74% |
| Friday Night | 35°F | Rain Showers Likely | 5 to 15 mph NW | 56% |
| Saturday | 50°F | Partly Sunny | 5 to 10 mph NW | 8% |
| Saturday Night | 31°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 54°F | Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Monday | 59°F | Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Tuesday | 59°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 36°F | Partly Cloudy | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Chain-O-Lakes (41.707, -86.388). Updated through the day.
Growing snapshot for Chain-O-Lakes
Last spring frost
May 1
First fall frost
Oct 19
Growing season
170 days
Hardiness zone
6a
More local growing data for Chain-O-Lakes: nearby ZIP 46619 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Ardmore
Gilmer Park
Granger
Indian Village
Lakeville
Mishawaka
New Carlisle
North Liberty
Notre Dame
Osceola
Roseland
South Bend
Wyatt
Climate data from the nearest NOAA station, South Bend Michiana Rgnl Ap, In (3.7 mi from Chain-O-Lakes). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.