Winfield, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winfield, a town in Lake County, Indiana.
This Afternoon
65°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 65, with temperatures falling to around 57 in the afternoon. West southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Winfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Slight Chance Rain Showers | 15 mph WSW | 1% |
| Tonight | 47°F | Slight Chance Rain Showers then Slight Chance Rain | 10 to 15 mph SW | 15% |
| Thursday | 54°F | Mostly Cloudy then Chance Rain | 10 to 15 mph WSW | 41% |
| Thursday Night | 40°F | Rain | 5 to 10 mph NW | 82% |
| Friday | 49°F | Slight Chance Rain | 10 to 15 mph NNW | 23% |
| Friday Night | 35°F | Partly Cloudy | 5 to 10 mph NNW | 8% |
| Saturday | 50°F | Mostly Sunny | 5 mph NW | 3% |
| Saturday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 60°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Winfield (41.412, -87.262). Updated through the day.
Growing snapshot for Winfield
Last spring frost
Apr 29
First fall frost
Oct 16
Growing season
171 days
Hardiness zone
5b
More local growing data for Winfield: nearby ZIP 46307 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Cedar Lake
Crown Point
Dyer
East Chicago
Gary
Griffith
Hammond
Highland
Hobart
Lake Dalecarlia
Lake Station
Leroy
Lowell
Merrillville
Munster
New Chicago
Ross
Schererville
Schneider
Shelby
St. John
Whiting
Climate data from the nearest NOAA station, Lowell, In (10.6 mi from Winfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.