St. James, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. James, a city in Phelps County, Missouri.
Overnight
64°F
Mostly Clear
Mostly clear. Low around 64, with temperatures rising to around 66 overnight. Southeast wind around 5 mph.
7-day forecast for St. James
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Mostly Clear | 5 mph SE | 0% |
| Tuesday | 88°F | Sunny | 3 to 7 mph S | 0% |
| Tuesday Night | 68°F | Mostly Clear | 6 mph SE | 0% |
| Wednesday | 90°F | Sunny | 8 mph S | 13% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms | 7 mph S | 59% |
| Thursday | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph S | 59% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 36% |
| Friday | 86°F | Chance Showers And Thunderstorms | 6 mph SW | 36% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 5 mph S | 33% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 6 mph SW | 33% |
| Saturday Night | 70°F | Mostly Clear | 5 to 8 mph S | 10% |
| Sunday | 90°F | Sunny | 9 mph SW | 3% |
| Sunday Night | 71°F | Mostly Clear | 8 mph S | 3% |
| Monday | 91°F | Sunny | 10 mph SW | 4% |
Forecast source: National Weather Service (api.weather.gov) for St. James (38.002, -91.613). Updated through the day.
Growing snapshot for St. James
Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
207 days
Hardiness zone
6b
More local growing data for St. James: nearby ZIP 65559 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rolla Missouri S&T, Mo (9.7 mi from St. James). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.