Detroit, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Detroit, a village in Pike County, Illinois.
Overnight
52°F
Slight Chance Light Rain
A slight chance of rain before 1am, then a slight chance of drizzle. Mostly cloudy, with a low around 52. Southwest wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
7-day forecast for Detroit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Slight Chance Light Rain | 12 mph SW | 22% |
| Wednesday | 60°F | Slight Chance Drizzle then Mostly Cloudy | 10 to 15 mph SW | 12% |
| Wednesday Night | 43°F | Mostly Cloudy | 8 mph SW | 1% |
| Thursday | 61°F | Partly Sunny | 8 to 12 mph W | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 7 mph NW | 6% |
| Friday | 55°F | Partly Sunny | 7 to 10 mph N | 4% |
| Friday Night | 33°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Saturday | 55°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 60°F | Sunny | 2 to 6 mph W | 1% |
| Sunday Night | 35°F | Clear | 2 mph W | 0% |
| Monday | 66°F | Sunny | 1 to 7 mph SW | 0% |
| Monday Night | 40°F | Clear | 3 mph SW | 0% |
| Tuesday | 68°F | Sunny | 3 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Detroit (39.620, -90.676). Updated through the day.
Growing snapshot for Detroit
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
189 days
Hardiness zone
6a
More local growing data for Detroit: nearby ZIP 62352 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Pittsfield #2, Il (8.7 mi from Detroit). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.