Troy, MO Weather & Growing Conditions
Tonight
52°F
Slight Chance Light Rain
A slight chance of rain before 1am, then a slight chance of drizzle between 1am and 5am. Mostly cloudy, with a low around 52. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Slight Chance Light Rain | 10 mph SW | 16% |
| Wednesday | 59°F | Mostly Cloudy | 8 to 13 mph W | 8% |
| Wednesday Night | 42°F | Partly Cloudy | 5 mph W | 1% |
| Thursday | 61°F | Sunny | 5 to 10 mph W | 6% |
| Thursday Night | 41°F | Mostly Cloudy | 3 mph NW | 11% |
| Friday | 56°F | Mostly Cloudy | 3 to 7 mph NW | 3% |
| Friday Night | 36°F | Mostly Cloudy | 0 to 3 mph N | 1% |
| Saturday | 55°F | Partly Sunny | 2 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 1 mph NW | 2% |
| Sunday | 62°F | Sunny | 1 to 6 mph W | 9% |
| Sunday Night | 35°F | Mostly Clear | 2 mph W | 3% |
| Monday | 66°F | Sunny | 1 to 7 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 2 mph SW | 1% |
| Tuesday | 68°F | Sunny | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Troy, MO
Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6b
Explore more for Troy, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Warrenton 1 N, Mo (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.