Troy, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Troy, a city in Oakland County, Michigan.
Tonight
56°F
Mostly Cloudy then Chance Light Rain
A chance of rain after midnight. Mostly cloudy, with a low around 56. Northeast wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Cloudy then Chance Light Rain | 5 to 9 mph NE | 31% |
| Saturday | 67°F | Rain Showers | 5 to 9 mph E | 83% |
| Saturday Night | 58°F | Showers And Thunderstorms | 5 to 8 mph E | 76% |
| Sunday | 67°F | Chance Rain Showers | 7 to 13 mph NNE | 53% |
| Sunday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 9 to 13 mph NE | 43% |
| Monday | 64°F | Mostly Cloudy | 13 mph NE | 11% |
| Monday Night | 50°F | Mostly Cloudy | 13 mph NE | 11% |
| Tuesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 16% |
| Tuesday Night | 52°F | Chance Rain Showers | 14 mph NE | 48% |
| Wednesday | 62°F | Chance Rain Showers | 13 mph ENE | 50% |
| Wednesday Night | 53°F | Chance Rain Showers | 7 to 10 mph NE | 50% |
| Thursday | 65°F | Slight Chance Rain Showers then Partly Sunny | 9 mph NE | 16% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 8 mph NNE | 12% |
| Friday | 68°F | Mostly Sunny | 6 to 9 mph NNE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Troy (42.584, -83.146). Updated through the day.
Growing snapshot for Troy
Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6b
More local growing data for Troy: nearby ZIP 48085 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Auburn Hills
Berkley
Beverly Hills
Bingham Farms
Birmingham
Bloomfield Hills
Clawson
Farmington
Farmington Hills
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 (7.2 mi from Troy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.