St. Martins, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Martins, a city in Cole County, Missouri.
Tonight
50°F
Chance Rain Showers
A chance of rain showers between 11pm and 4am. Cloudy, with a low around 50. West wind 7 to 12 mph, with gusts as high as 22 mph.
7-day forecast for St. Martins
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Chance Rain Showers | 7 to 12 mph W | 12% |
| Wednesday | 62°F | Mostly Cloudy | 7 to 10 mph W | 3% |
| Wednesday Night | 42°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 64°F | Mostly Sunny | 3 to 8 mph W | 8% |
| Thursday Night | 42°F | Mostly Cloudy | 5 mph NW | 8% |
| Friday | 59°F | Partly Sunny | 6 mph NW | 4% |
| Friday Night | 39°F | Mostly Cloudy | 3 mph N | 0% |
| Saturday | 58°F | Partly Sunny | 3 mph NW | 1% |
| Saturday Night | 37°F | Partly Cloudy | 2 mph W | 4% |
| Sunday | 64°F | Sunny | 5 mph W | 6% |
| Sunday Night | 37°F | Mostly Clear | 3 mph W | 2% |
| Monday | 69°F | Sunny | 2 to 6 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 71°F | Sunny | 3 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for St. Martins (38.598, -92.334). Updated through the day.
Growing snapshot for St. Martins
Last spring frost
Apr 8
First fall frost
Oct 31
Growing season
205 days
Hardiness zone
6b
More local growing data for St. Martins: nearby ZIP 65109 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jefferson City Wtp, Mo (5.2 mi from St. Martins). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.