St. James, MI Weather & Growing Conditions
Today
67°F
Partly Sunny
Partly sunny, with a high near 67. East wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Partly Sunny | 10 mph E | 14% |
| Tonight | 46°F | Slight Chance Rain Showers | 5 to 10 mph E | 19% |
| Sunday | 67°F | Mostly Sunny | 10 to 15 mph NE | 11% |
| Sunday Night | 45°F | Partly Cloudy | 10 to 15 mph NE | 0% |
| Monday | 62°F | Partly Sunny | 10 to 15 mph NE | 0% |
| Monday Night | 46°F | Partly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 63°F | Mostly Sunny | 10 to 15 mph E | 0% |
| Tuesday Night | 48°F | Mostly Clear | 10 to 15 mph E | 1% |
| Wednesday | 66°F | Sunny | 10 to 15 mph E | 5% |
| Wednesday Night | 48°F | Partly Cloudy | 5 to 15 mph E | 5% |
| Thursday | 67°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Thursday Night | 49°F | Partly Cloudy | 5 to 10 mph E | 2% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Friday Night | 52°F | Partly Cloudy | 5 to 10 mph E | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. James, MI
Last spring frost
May 11
First fall frost
Oct 19
Growing season
159 days
Hardiness zone
6a
Explore more for St. James, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, St James 4Ssw Beaver, Mi (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.