St. James, MI Weather & Growing Conditions
Overnight
60°F
Mostly Cloudy
Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. Southeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Cloudy | 5 to 10 mph SE | 39% |
| Wednesday | 65°F | Rain Showers Likely | 10 to 15 mph S | 59% |
| Wednesday Night | 43°F | Chance Rain Showers | 15 to 20 mph SW | 41% |
| Thursday | 55°F | Chance Rain Showers | 15 to 20 mph W | 53% |
| Thursday Night | 33°F | Rain Showers | 20 to 25 mph N | 78% |
| Friday | 47°F | Chance Rain Showers | 15 to 20 mph N | 53% |
| Friday Night | 32°F | Slight Chance Rain And Snow Showers | 10 to 15 mph N | 31% |
| Saturday | 49°F | Mostly Sunny | 5 to 10 mph NW | 9% |
| Saturday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 8% |
| Sunday | 51°F | Mostly Sunny then Slight Chance Rain Showers | 10 to 15 mph W | 19% |
| Sunday Night | 36°F | Slight Chance Rain Showers then Partly Cloudy | 10 mph NW | 19% |
| Monday | 54°F | Partly Sunny | 10 to 15 mph W | 5% |
| Monday Night | 37°F | Mostly Cloudy | 10 to 15 mph W | 11% |
| Tuesday | 52°F | Partly Sunny | 10 to 15 mph NW | 8% |
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 Nov 4, 2026.