St. James, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. James, a city in Watonwan County, Minnesota.
Overnight
61°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. Low around 61, with temperatures rising to around 64 overnight. North northwest wind around 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for St. James
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Chance Showers And Thunderstorms | 15 mph NNW | 52% |
| Tuesday | 70°F | Chance Showers And Thunderstorms | 10 to 15 mph NW | 26% |
| Tuesday Night | 54°F | Partly Cloudy | 0 to 5 mph WNW | 10% |
| Wednesday | 74°F | Sunny | 0 to 5 mph SSW | 1% |
| Wednesday Night | 56°F | Mostly Clear | 0 to 5 mph S | 0% |
| Thursday | 79°F | Sunny | 5 to 10 mph SSW | 1% |
| Thursday Night | 62°F | Mostly Clear | 10 to 15 mph S | 2% |
| Friday | 83°F | Sunny | 10 mph SSW | 11% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 22% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph S | 39% |
| Sunday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 mph ESE | 39% |
| Sunday Night | 65°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 32% |
| Monday | 81°F | Chance Showers And Thunderstorms then Partly Sunny | 10 mph ENE | 32% |
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 Aug 4, 2026.