Troy, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Troy, a city in Oakland County, Michigan.
Today
86°F
Sunny
Sunny, with a high near 86. South southwest wind 3 to 8 mph.
7-day forecast for Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 to 8 mph SSW | 0% |
| Tonight | 62°F | Mostly Clear | 2 to 9 mph SSW | 0% |
| Wednesday | 89°F | Sunny | 1 to 7 mph SW | 1% |
| Wednesday Night | 68°F | Partly Cloudy then Chance Showers And Thunderstorms | 2 to 7 mph WSW | 38% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 2 to 8 mph WSW | 67% |
| Thursday Night | 66°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 67% |
| Friday | 86°F | Chance Showers And Thunderstorms | 5 mph WSW | 36% |
| Friday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 35% |
| Saturday | 89°F | Mostly Sunny | 2 to 9 mph WSW | 9% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 26% |
| Sunday | 90°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 13 mph SW | 26% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 13 mph WSW | 44% |
| Monday | 88°F | Chance Rain Showers | 9 mph W | 44% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 6 to 9 mph WSW | 45% |
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 Aug 4, 2026.