Troy, MO Weather & Growing Conditions
Today
58°F
Slight Chance Drizzle then Cloudy
A slight chance of drizzle before noon. Cloudy, with a high near 58. West wind 7 to 13 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Slight Chance Drizzle then Cloudy | 7 to 13 mph W | 0% |
| Tonight | 43°F | Partly Cloudy | 5 mph W | 0% |
| Thursday | 60°F | Mostly Sunny | 5 to 12 mph W | 11% |
| Thursday Night | 43°F | Isolated Rain Showers then Mostly Cloudy | 5 mph NW | 17% |
| Friday | 55°F | Partly Sunny | 5 to 8 mph N | 4% |
| Friday Night | 33°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Saturday | 54°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 60°F | Sunny | 1 to 5 mph W | 1% |
| Sunday Night | 34°F | Clear | 1 mph NW | 0% |
| Monday | 65°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 40°F | Clear | 2 mph SW | 0% |
| Tuesday | 67°F | Sunny | 3 mph W | 1% |
| Tuesday Night | 41°F | Partly Cloudy | 0 mph | 2% |
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.