Troy, MI Weather & Growing Conditions
This Afternoon
68°F
Chance Light Rain
A chance of rain. Cloudy. High near 68, 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 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Light Rain | 14 mph S | 41% |
| Tonight | 51°F | Light Rain Likely then Mostly Cloudy | 8 to 13 mph SSW | 67% |
| Thursday | 60°F | Mostly Cloudy then Slight Chance Light Rain | 9 to 14 mph SW | 20% |
| Thursday Night | 42°F | Light Rain Likely | 9 mph WSW | 55% |
| Friday | 52°F | Chance Light Rain | 10 mph WNW | 42% |
| Friday Night | 35°F | Chance Light Rain | 12 mph NW | 42% |
| Saturday | 51°F | Slight Chance Light Rain then Partly Sunny | 8 to 13 mph NW | 23% |
| Saturday Night | 32°F | Partly Cloudy | 6 mph WNW | 2% |
| Sunday | 58°F | Sunny | 7 to 12 mph W | 2% |
| Sunday Night | 36°F | Mostly Clear | 6 to 10 mph WNW | 2% |
| Monday | 59°F | Sunny | 6 to 10 mph W | 1% |
| Monday Night | 40°F | Mostly Clear | 10 mph WSW | 1% |
| Tuesday | 62°F | Sunny | 10 mph W | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 3 to 7 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Troy, MI
Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6b
Explore more for Troy, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Pontiac Wwtp, Mi (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.