Detroit, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Detroit, a village in Pike County, Illinois.
Today
88°F
Sunny
Sunny, with a high near 88. South wind 2 to 6 mph.
7-day forecast for Detroit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 2 to 6 mph S | 0% |
| Tonight | 69°F | Partly Cloudy | 5 mph SE | 9% |
| Wednesday | 88°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph S | 37% |
| Wednesday Night | 68°F | Showers And Thunderstorms Likely | 5 mph S | 88% |
| Thursday | 84°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 88% |
| Thursday Night | 66°F | Partly Cloudy | 2 mph SE | 13% |
| Friday | 86°F | Partly Sunny | 2 mph SW | 9% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 2 mph S | 25% |
| Saturday | 89°F | Chance Showers And Thunderstorms then Sunny | 1 to 5 mph SW | 25% |
| Saturday Night | 72°F | Mostly Clear | 3 to 7 mph S | 5% |
| Sunday | 91°F | Sunny | 7 to 10 mph S | 3% |
| Sunday Night | 73°F | Mostly Clear | 8 mph S | 7% |
| Monday | 92°F | Mostly Sunny | 6 to 9 mph SW | 7% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 8 mph S | 24% |
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 Aug 4, 2026.