Troy, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Troy, a city in Lincoln County, Missouri.
Today
90°F
Sunny
Sunny, with a high near 90. South wind around 3 mph.
7-day forecast for Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 3 mph S | 0% |
| Tonight | 69°F | Mostly Clear | 2 mph SE | 3% |
| Wednesday | 90°F | Mostly Sunny then Scattered Showers And Thunderstorms | 2 mph S | 35% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 2 mph S | 75% |
| Thursday | 86°F | Showers And Thunderstorms | 2 mph S | 75% |
| Thursday Night | 68°F | Partly Cloudy | 1 mph SE | 11% |
| Friday | 88°F | Partly Sunny | 1 mph SW | 14% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 mph SW | 31% |
| Saturday | 90°F | Chance Showers And Thunderstorms then Mostly Sunny | 2 mph SW | 31% |
| Saturday Night | 72°F | Mostly Clear | 3 mph S | 5% |
| Sunday | 92°F | Sunny | 2 to 6 mph SW | 3% |
| Sunday Night | 73°F | Mostly Clear | 5 mph S | 5% |
| Monday | 93°F | Sunny | 6 mph SW | 4% |
| Monday Night | 74°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 mph SW | 16% |
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 Aug 4, 2026.