Winona Lake, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winona Lake, a town in Kosciusko County, Indiana.
This Afternoon
68°F
Isolated Rain Showers
Isolated rain showers before 4pm. Mostly cloudy. High near 68, with temperatures falling to around 63 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Winona Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Isolated Rain Showers | 10 to 15 mph SW | 21% |
| Tonight | 48°F | Mostly Cloudy | 5 to 10 mph SW | 9% |
| Thursday | 57°F | Mostly Cloudy | 10 to 15 mph SW | 12% |
| Thursday Night | 42°F | Rain Showers Likely | 5 to 10 mph W | 56% |
| Friday | 51°F | Chance Rain Showers | 5 to 10 mph NW | 45% |
| Friday Night | 34°F | Chance Rain Showers | 5 to 10 mph NW | 29% |
| Saturday | 52°F | Partly Sunny | 5 to 10 mph NW | 7% |
| Saturday Night | 30°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 1% |
| Monday | 59°F | Sunny | 0 to 10 mph W | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Winona Lake (41.217, -85.813). Updated through the day.
Growing snapshot for Winona Lake
Last spring frost
Apr 28
First fall frost
Oct 18
Growing season
170 days
Hardiness zone
6a
More local growing data for Winona Lake: nearby ZIP 46590 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
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Oswego
Palestine
Pierceton
Silver Lake
Syracuse
Warsaw
Wooster
Climate data from the nearest NOAA station, Warsaw, In (4.5 mi from Winona Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.