Detroit, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Detroit, a village in Pike County, Illinois.
Overnight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. South wind around 5 mph.
7-day forecast for Detroit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Partly Cloudy | 5 mph S | 8% |
| Saturday | 95°F | Mostly Cloudy | 7 mph SW | 10% |
| Saturday Night | 71°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph SW | 33% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 2 to 8 mph N | 51% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 to 10 mph NE | 71% |
| Monday | 70°F | Showers And Thunderstorms Likely | 10 mph NE | 71% |
| Monday Night | 56°F | Chance Rain Showers | 8 to 12 mph NE | 26% |
| Tuesday | 67°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 24% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 9 mph N | 5% |
| Wednesday | 71°F | Mostly Sunny | 8 mph N | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 6 mph NE | 0% |
| Thursday | 73°F | Mostly Sunny | 2 to 6 mph NE | 2% |
| Thursday Night | 56°F | Partly Cloudy | 5 mph NE | 4% |
| Friday | 75°F | Mostly Sunny | 2 to 6 mph NE | 7% |
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.