Lake Santee, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Santee, a community in Decatur County, Indiana.
Overnight
64°F
Mostly Cloudy
Mostly cloudy, with a low around 64. East wind around 5 mph.
7-day forecast for Lake Santee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Mostly Cloudy | 5 mph E | 2% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph S | 70% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 mph S | 28% |
| Sunday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph W | 27% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 7 mph NE | 52% |
| Monday | 72°F | Rain Showers Likely | 8 mph NE | 57% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 52% |
| Tuesday | 71°F | Chance Showers And Thunderstorms | 8 mph NE | 31% |
| Tuesday Night | 56°F | Chance Showers And Thunderstorms | 3 to 8 mph NE | 30% |
| Wednesday | 70°F | Chance Rain Showers | 6 mph N | 26% |
| Wednesday Night | 56°F | Chance Rain Showers then Mostly Cloudy | 2 to 6 mph N | 26% |
| Thursday | 71°F | Partly Sunny | 6 mph N | 12% |
| Thursday Night | 55°F | Mostly Cloudy | 2 to 6 mph NE | 12% |
| Friday | 72°F | Mostly Sunny | 2 to 7 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Lake Santee (39.410, -85.308). Updated through the day.
Growing snapshot for Lake Santee
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
194 days
Hardiness zone
6a
More local growing data for Lake Santee: nearby ZIP 47225 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Adams
Andersonville
Burney
Clarksburg
Greensburg
Letts
Milford
Millhousen
New Point
Sardinia
St. Omer
St. Paul
Westport
Climate data from the nearest NOAA station, Greensburg, In (9.8 mi from Lake Santee). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.