Troy, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Troy, a city in Lincoln County, Missouri.
This Afternoon
74°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Cloudy. High near 74, with temperatures falling to around 65 in the afternoon. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
7-day forecast for Troy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Light Rain Likely | 15 mph S | 61% |
| Tonight | 51°F | Light Rain Likely | 7 to 14 mph SW | 66% |
| Wednesday | 61°F | Mostly Cloudy | 7 to 13 mph W | 7% |
| Wednesday Night | 41°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 63°F | Sunny | 3 to 12 mph W | 5% |
| Thursday Night | 41°F | Mostly Cloudy | 3 mph NW | 11% |
| Friday | 57°F | Mostly Cloudy | 3 to 8 mph NW | 2% |
| Friday Night | 36°F | Mostly Cloudy | 0 to 3 mph N | 1% |
| Saturday | 56°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 | 8% |
| Sunday Night | 35°F | Mostly Clear | 2 mph NW | 3% |
| Monday | 66°F | Sunny | 1 to 7 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 2 mph SW | 1% |
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 Nov 4, 2026.