Des Plaines, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Des Plaines, a city in Cook County, Illinois.
Tonight
61°F
Rain
Rain. Cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Des Plaines
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Rain | 15 mph S | 80% |
| Wednesday | 64°F | Chance Rain then Rain Showers Likely | 15 mph SSW | 57% |
| Wednesday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph SW | 16% |
| Thursday | 57°F | Chance Rain Showers | 10 to 15 mph WSW | 30% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 10 mph WNW | 53% |
| Friday | 52°F | Chance Rain Showers | 10 to 15 mph N | 34% |
| Friday Night | 38°F | Mostly Cloudy | 5 to 10 mph NNW | 12% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 9% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph WSW | 7% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 16% |
| Sunday Night | 38°F | Mostly Clear | 5 mph WNW | 10% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 5% |
| Monday Night | 42°F | Partly Cloudy | 5 to 10 mph W | 3% |
| Tuesday | 60°F | Mostly Sunny | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Des Plaines (42.034, -87.901). Updated through the day.
Growing snapshot for Des Plaines
Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6a
More local growing data for Des Plaines: nearby ZIP 60016 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Chicago Ohare Intl Ap, Il (4.5 mi from Des Plaines). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.