Detroit, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Detroit, a village in Pike County, Illinois.
Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. Southeast wind around 7 mph.
7-day forecast for Detroit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Partly Cloudy | 7 mph SE | 11% |
| Saturday | 95°F | Partly Sunny | 7 mph SW | 8% |
| Saturday Night | 70°F | Mostly Cloudy then Chance Rain Showers | 3 mph SW | 27% |
| Sunday | 86°F | Rain Showers Likely | 2 to 7 mph NW | 68% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 7 to 10 mph NE | 70% |
| Monday | 72°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 70% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 48% |
| Tuesday | 68°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 31% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 to 8 mph N | 4% |
| Wednesday | 72°F | Mostly Sunny | 7 mph N | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 1 to 5 mph NE | 0% |
| Thursday | 74°F | Mostly Sunny | 2 to 6 mph NE | 5% |
| Thursday Night | 56°F | Partly Cloudy | 5 mph NE | 5% |
| Friday | 74°F | Mostly Sunny | 2 to 6 mph NE | 6% |
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 Sep 19, 2026.