St. Robert, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Robert, a city in Pulaski County, Missouri.
Today
91°F
Sunny
Sunny. High near 91, with temperatures falling to around 89 in the afternoon. Heat index values as high as 92. South wind 3 to 7 mph.
7-day forecast for St. Robert
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 3 to 7 mph S | 0% |
| Tonight | 71°F | Mostly Clear | 6 mph SE | 1% |
| Wednesday | 93°F | Mostly Sunny | 7 mph S | 12% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 7 mph S | 53% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 6 mph S | 53% |
| Thursday Night | 70°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 38% |
| Friday | 89°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 38% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 31% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 6 mph SW | 29% |
| Saturday Night | 71°F | Mostly Clear | 6 mph S | 10% |
| Sunday | 92°F | Sunny | 8 mph S | 4% |
| Sunday Night | 73°F | Mostly Clear | 7 mph S | 2% |
| Monday | 93°F | Sunny | 9 mph SW | 2% |
| Monday Night | 74°F | Mostly Clear | 8 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for St. Robert (37.825, -92.152). Updated through the day.
Growing snapshot for St. Robert
Last spring frost
Apr 15
First fall frost
Oct 21
Growing season
185 days
Hardiness zone
6b
More local growing data for St. Robert: nearby ZIP 65584 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Waynesville 2 W, Mo (5.6 mi from St. Robert). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.