Deerfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Deerfield, a village in Lake County, Illinois.
Today
76°F
Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers and thunderstorms before noon, then showers and thunderstorms likely between noon and 5pm, then showers and thunderstorms likely. Cloudy. High near 76, with temperatures falling to around 72 in the afternoon. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Deerfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SSE | 100% |
| Tonight | 62°F | Showers And Thunderstorms | 5 to 10 mph E | 93% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 10 to 20 mph NNE | 57% |
| Sunday Night | 55°F | Slight Chance Rain Showers | 15 to 20 mph NE | 16% |
| Monday | 65°F | Slight Chance Rain Showers | 15 mph ENE | 21% |
| Monday Night | 53°F | Mostly Cloudy | 10 to 15 mph ENE | 12% |
| Tuesday | 64°F | Mostly Cloudy | 15 mph NE | 12% |
| Tuesday Night | 53°F | Mostly Cloudy | 10 to 15 mph NE | 8% |
| Wednesday | 64°F | Partly Sunny | 10 to 15 mph NE | 14% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 to 10 mph NE | 6% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 54°F | Mostly Cloudy | 5 mph NNE | 3% |
| Friday | 69°F | Partly Sunny | 5 to 10 mph NE | 5% |
| Friday Night | 54°F | Partly Cloudy | 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Deerfield (42.166, -87.852). Updated through the day.
Growing snapshot for Deerfield
Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
6a
More local growing data for Deerfield: nearby ZIP 60015 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Antioch
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Buffalo Grove
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Deer Park
Forest Lake
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Green Oaks
Gurnee
Hainesville
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Highland Park
Highwood
Holiday Hills
Indian Creek
Island Lake
Kildeer
Knollwood
Lake Bluff
Lake Forest
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Lake Zurich
Libertyville
Lincolnshire
Lindenhurst
Climate data from the nearest NOAA station, Chicago Palwaukee Ap, Il (3.9 mi from Deerfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.