Royal Oak, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Royal Oak, a city in Oakland County, Michigan.
Tonight
56°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. Northeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Royal Oak
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NE | 16% |
| Saturday | 68°F | Rain Showers | 5 to 9 mph E | 84% |
| Saturday Night | 58°F | Showers And Thunderstorms | 5 to 9 mph E | 79% |
| Sunday | 67°F | Rain Showers Likely | 7 to 13 mph NNE | 55% |
| Sunday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 9 to 13 mph NE | 46% |
| Monday | 64°F | Mostly Cloudy | 10 to 14 mph NE | 13% |
| Monday Night | 50°F | Mostly Cloudy | 14 mph NE | 11% |
| Tuesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 17% |
| Tuesday Night | 52°F | Chance Rain Showers | 14 mph NE | 49% |
| Wednesday | 62°F | Chance Rain Showers | 14 mph ENE | 49% |
| Wednesday Night | 53°F | Chance Rain Showers | 7 to 12 mph NE | 49% |
| Thursday | 65°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 16% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 8 mph NNE | 11% |
| Friday | 69°F | Partly Sunny | 6 to 9 mph NNE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Royal Oak (42.508, -83.154). Updated through the day.
Growing snapshot for Royal Oak
Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6b
More local growing data for Royal Oak: nearby ZIP 48073 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
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Beverly Hills
Bingham Farms
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Bloomfield Hills
Clawson
Farmington
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Ferndale
Franklin
Hazel Park
Holly
Huntington Woods
Keego Harbor
Lake Angelus
Lake Orion
Lathrup Village
Leonard
Madison Heights
Milford
Northville
Novi
Oak Park
Orchard Lake Village
Ortonville
Oxford
Pleasant Ridge
Pontiac
Rochester
Climate data from the nearest NOAA station, Pontiac Wwtp, Mi (9.5 mi from Royal Oak). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.