St. James, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. James, a city in Phelps County, Missouri.
This Afternoon
69°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then scattered showers and thunderstorms. Cloudy. High near 69, with temperatures falling to around 63 in the afternoon. South wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for St. James
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Showers And Thunderstorms Likely | 17 mph S | 63% |
| Tonight | 48°F | Scattered Rain Showers then Patchy Drizzle | 8 to 13 mph SW | 51% |
| Wednesday | 59°F | Patchy Drizzle then Mostly Cloudy | 9 to 14 mph W | 15% |
| Wednesday Night | 39°F | Mostly Clear | 7 mph SW | 0% |
| Thursday | 65°F | Sunny | 7 to 10 mph W | 10% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph NW | 17% |
| Friday | 56°F | Partly Sunny | 6 to 10 mph NW | 8% |
| Friday Night | 36°F | Partly Cloudy | 5 mph N | 3% |
| Saturday | 56°F | Partly Sunny | 5 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 3 mph W | 2% |
| Sunday | 62°F | Sunny | 3 to 8 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 2% |
| Monday | 67°F | Sunny | 5 to 9 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 6 mph SW | 1% |
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 Nov 4, 2026.