St. Martins, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Martins, a city in Cole County, Missouri.
Today
93°F
Sunny
Sunny, with a high near 93. South wind around 5 mph.
7-day forecast for St. Martins
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 5 mph S | 0% |
| Tonight | 72°F | Mostly Clear | 3 mph SE | 4% |
| Wednesday | 93°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 mph S | 26% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 5 mph S | 75% |
| Thursday | 89°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph S | 75% |
| Thursday Night | 71°F | Partly Cloudy | 2 mph S | 13% |
| Friday | 90°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 mph S | 19% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 2 mph S | 25% |
| Saturday | 94°F | Chance Showers And Thunderstorms then Sunny | 5 mph SW | 25% |
| Saturday Night | 73°F | Mostly Clear | 3 mph S | 4% |
| Sunday | 95°F | Sunny | 3 to 7 mph SW | 4% |
| Sunday Night | 75°F | Mostly Clear | 6 mph S | 3% |
| Monday | 97°F | Sunny | 5 to 8 mph SW | 3% |
| Monday Night | 76°F | Mostly Clear | 6 mph S | 4% |
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 Aug 4, 2026.