Troy, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Troy, a city in Oakland County, Michigan.
This Afternoon
67°F
Light Rain Likely
Rain likely. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. South wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Light Rain Likely | 14 mph S | 58% |
| Tonight | 51°F | Light Rain Likely then Mostly Cloudy | 9 to 13 mph SW | 69% |
| Thursday | 59°F | Mostly Cloudy then Slight Chance Light Rain | 9 to 15 mph SW | 20% |
| Thursday Night | 42°F | Chance Light Rain | 9 mph W | 54% |
| Friday | 52°F | Chance Light Rain | 12 mph WNW | 41% |
| Friday Night | 36°F | Chance Light Rain | 13 mph NW | 41% |
| Saturday | 51°F | Slight Chance Light Rain then Partly Sunny | 8 to 13 mph NW | 22% |
| Saturday Night | 32°F | Partly Cloudy | 7 mph WNW | 2% |
| Sunday | 58°F | Sunny | 6 to 13 mph W | 2% |
| Sunday Night | 36°F | Mostly Clear | 7 to 10 mph WNW | 2% |
| Monday | 58°F | Sunny | 6 to 10 mph W | 1% |
| Monday Night | 41°F | Mostly Clear | 10 mph WSW | 1% |
| Tuesday | 62°F | Sunny | 10 mph W | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 7 mph WNW | 1% |
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 Nov 4, 2026.