Winfield, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winfield, a town in Lake County, Indiana.
Overnight
63°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4am. Cloudy, with a low around 63. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Winfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Slight Chance Showers And Thunderstorms | 10 mph SE | 23% |
| Saturday | 78°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 95% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely | 5 mph S | 85% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 5 to 15 mph N | 61% |
| Sunday Night | 54°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 41% |
| Monday | 65°F | Chance Rain Showers | 10 to 15 mph ENE | 41% |
| Monday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 24% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 18% |
| Wednesday | 65°F | Partly Sunny | 5 to 10 mph NNE | 9% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NNE | 6% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 4% |
| Friday | 71°F | Mostly Sunny | 5 to 10 mph NNE | 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 Sep 19, 2026.