Rockwood, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockwood, a city in Wayne County, Michigan.
Tonight
56°F
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 1am. Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. Northeast wind 6 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rockwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Cloudy then Slight Chance Light Rain | 6 to 9 mph NE | 24% |
| Saturday | 69°F | Rain Showers | 6 to 10 mph E | 84% |
| Saturday Night | 58°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 10 mph E | 90% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 7 to 14 mph N | 65% |
| Sunday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 14 mph NE | 48% |
| Monday | 65°F | Slight Chance Rain Showers | 14 to 17 mph NE | 20% |
| Monday Night | 50°F | Slight Chance Rain Showers | 16 mph NE | 15% |
| Tuesday | 64°F | Slight Chance Rain Showers | 18 mph NE | 24% |
| Tuesday Night | 52°F | Chance Rain Showers | 14 to 17 mph NE | 51% |
| Wednesday | 64°F | Chance Rain Showers | 16 mph ENE | 53% |
| Wednesday Night | 52°F | Chance Rain Showers | 8 to 14 mph NE | 53% |
| Thursday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 16% |
| Thursday Night | 52°F | Mostly Cloudy | 6 to 9 mph NNE | 9% |
| Friday | 68°F | Partly Sunny | 7 to 10 mph NNE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Rockwood (42.070, -83.242). Updated through the day.
Growing snapshot for Rockwood
Last spring frost
Apr 27
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6b
More local growing data for Rockwood: nearby ZIP 48173 weather · frost dates · planting calendar · Michigan frost dates
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Climate data from the nearest NOAA station, Newport 4Sse, Mi (9.2 mi from Rockwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.