Detroit, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Detroit, a village in Pike County, Illinois.
Tonight
52°F
Light Rain Likely
Rain likely before 2am, then a chance of rain showers. Cloudy, with a low around 52. South wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
7-day forecast for Detroit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Light Rain Likely | 9 to 14 mph S | 67% |
| Wednesday | 60°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 12% |
| Wednesday Night | 42°F | Mostly Cloudy | 8 mph SW | 0% |
| Thursday | 62°F | Mostly Sunny | 7 to 12 mph W | 7% |
| Thursday Night | 41°F | Mostly Cloudy then Slight Chance T-storms | 6 mph NW | 20% |
| Friday | 57°F | Mostly Cloudy | 6 to 9 mph N | 7% |
| Friday Night | 36°F | Mostly Cloudy | 0 to 6 mph N | 1% |
| Saturday | 56°F | Mostly Sunny | 0 to 3 mph NW | 1% |
| Saturday Night | 35°F | Mostly Clear | 2 mph W | 1% |
| Sunday | 62°F | Sunny | 2 to 7 mph W | 8% |
| Sunday Night | 35°F | Mostly Clear | 3 mph W | 4% |
| Monday | 66°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 68°F | Sunny | 5 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
Nearby towns & communities
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Nebo
New Canton
New Salem
Pearl
Perry
Pittsfield
Pleasant Hill
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Valley City
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.