River Rouge, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for River Rouge, a city in Wayne County, Michigan.
Tonight
58°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 1am. Mostly cloudy, with a low around 58. Northeast wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for River Rouge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Mostly Cloudy then Chance Light Rain | 6 to 9 mph NE | 27% |
| Saturday | 69°F | Rain Showers | 5 to 9 mph E | 85% |
| Saturday Night | 59°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 8 mph E | 86% |
| Sunday | 68°F | Rain Showers Likely | 7 to 13 mph NNE | 61% |
| Sunday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 13 mph NE | 51% |
| Monday | 64°F | Slight Chance Rain Showers | 14 mph NE | 17% |
| Monday Night | 52°F | Mostly Cloudy | 13 to 20 mph NE | 13% |
| Tuesday | 63°F | Slight Chance Rain Showers | 16 to 20 mph NE | 21% |
| Tuesday Night | 54°F | Chance Rain Showers | 16 to 20 mph NE | 50% |
| Wednesday | 63°F | Chance Rain Showers | 14 to 17 mph ENE | 52% |
| Wednesday Night | 54°F | Chance Rain Showers | 10 to 14 mph NE | 52% |
| Thursday | 66°F | Slight Chance Rain Showers then Partly Sunny | 12 mph NE | 16% |
| Thursday Night | 54°F | Mostly Cloudy | 9 mph NNE | 9% |
| Friday | 69°F | Partly Sunny | 10 mph NNE | 9% |
Forecast source: National Weather Service (api.weather.gov) for River Rouge (42.274, -83.124). Updated through the day.
Growing snapshot for River Rouge
Last spring frost
Apr 27
First fall frost
Oct 25
Growing season
181 days
Hardiness zone
6b
More local growing data for River Rouge: nearby ZIP 48218 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Allen Park
Belleville
Dearborn
Dearborn Heights
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Garden City
Gibraltar
Grosse Pointe
Grosse Pointe Farms
Grosse Pointe Park
Grosse Pointe Woods
Hamtramck
Harper Woods
Highland Park
Inkster
Lincoln Park
Livonia
Melvindale
Plymouth
Riverview
Rockwood
Romulus
Southgate
Taylor
Trenton
Wayne
Westland
Woodhaven
Climate data from the nearest NOAA station, Dearborn #2, Mi (5.7 mi from River Rouge). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.