St. James, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. James, a city in Watonwan County, Minnesota.
Tonight
59°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of drizzle and a slight chance of thunderstorms. Cloudy, with a low around 59. East northeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for St. James
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 44% |
| Saturday | 65°F | Chance Drizzle | 5 to 10 mph NNE | 20% |
| Saturday Night | 54°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph NNE | 19% |
| Sunday | 66°F | Mostly Cloudy | 10 to 15 mph NE | 9% |
| Sunday Night | 51°F | Mostly Cloudy then Chance Rain Showers | 10 mph ENE | 25% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 42% |
| Monday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 41% |
| Tuesday | 63°F | Partly Sunny | 5 to 10 mph E | 4% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 0 to 5 mph SE | 2% |
| Wednesday Night | 49°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SSE | 16% |
| Thursday | 69°F | Slight Chance Rain Showers | 0 to 5 mph S | 16% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph S | 6% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph SSE | 6% |
Forecast source: National Weather Service (api.weather.gov) for St. James (43.983, -94.625). Updated through the day.
Growing snapshot for St. James
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
160 days
Hardiness zone
5a
More local growing data for St. James: nearby ZIP 56081 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, St James Wwtp, Mn (1.1 mi from St. James). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.