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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

WhenTempForecastWindPrecip
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

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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.