Troy, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Troy, a city in Lincoln County, Missouri.
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Southeast wind around 5 mph.
7-day forecast for Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 5 mph SE | 8% |
| Saturday | 97°F | Partly Sunny | 2 to 7 mph SW | 6% |
| Saturday Night | 70°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SW | 12% |
| Sunday | 90°F | Chance Rain Showers | 3 mph W | 38% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NE | 71% |
| Monday | 76°F | Showers And Thunderstorms Likely | 6 mph NE | 71% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 3 to 7 mph N | 52% |
| Tuesday | 70°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph N | 22% |
| Tuesday Night | 52°F | Mostly Cloudy | 2 to 6 mph N | 5% |
| Wednesday | 73°F | Mostly Sunny | 5 mph N | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph N | 1% |
| Thursday | 75°F | Mostly Sunny | 1 to 5 mph NE | 4% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 3 mph NE | 3% |
| Friday | 75°F | Mostly Sunny | 1 to 5 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Troy (38.970, -90.967). Updated through the day.
Growing snapshot for Troy
Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6b
More local growing data for Troy: nearby ZIP 63379 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Cave
Chain of Rocks
Elsberry
Foley
Fountain N' Lakes
Hawk Point
Moscow Mills
Old Monroe
Silex
Whiteside
Winfield
Climate data from the nearest NOAA station, Warrenton 1 N, Mo (13.8 mi from Troy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.