St. Robert, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Robert, a city in Pulaski County, Missouri.
Tonight
49°F
Areas Of Drizzle
Areas of drizzle. Cloudy. Low around 49, with temperatures rising to around 51 overnight. Southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. Robert
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Areas Of Drizzle | 10 mph SW | 39% |
| Wednesday | 61°F | Areas Of Drizzle then Mostly Cloudy | 8 to 12 mph W | 36% |
| Wednesday Night | 40°F | Mostly Clear | 7 mph SW | 0% |
| Thursday | 67°F | Mostly Sunny then Slight Chance Rain Showers | 6 to 9 mph W | 20% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph NW | 16% |
| Friday | 58°F | Partly Sunny | 6 to 9 mph NW | 5% |
| Friday Night | 38°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Saturday | 58°F | Partly Sunny | 1 to 5 mph NW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 2 mph W | 2% |
| Sunday | 64°F | Sunny | 2 to 7 mph W | 7% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 3% |
| Monday | 69°F | Sunny | 3 to 9 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 6 mph SW | 1% |
| Tuesday | 72°F | Sunny | 6 mph SW | 0% |
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 Nov 4, 2026.