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.
Today
74°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 74. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Chain-O-Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Showers And Thunderstorms | 5 to 10 mph SE | 93% |
| Tonight | 63°F | Showers And Thunderstorms | 5 mph SE | 87% |
| Sunday | 72°F | Showers And Thunderstorms | 5 to 10 mph N | 85% |
| Sunday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Monday | 66°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Monday Night | 47°F | Mostly Cloudy | 10 to 15 mph NE | 14% |
| Tuesday | 65°F | Partly Sunny then Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 49°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Wednesday | 66°F | Slight Chance Rain Showers | 10 mph NE | 17% |
| Wednesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 10 mph NE | 4% |
| Friday | 71°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 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 Sep 19, 2026.