St. James, MI Weather & Growing Conditions
Today
82°F
Sunny
Sunny. High near 82, with temperatures falling to around 80 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 10 to 15 mph SW | 10% |
| Tonight | 60°F | Showers And Thunderstorms Likely | 5 to 15 mph N | 72% |
| Wednesday | 80°F | Chance Rain Showers then Partly Sunny | 5 mph N | 31% |
| Wednesday Night | 63°F | Partly Cloudy | 5 mph NE | 6% |
| Thursday | 82°F | Sunny | 5 to 10 mph S | 6% |
| Thursday Night | 65°F | Mostly Clear | 5 mph S | 3% |
| Friday | 82°F | Sunny | 5 to 10 mph SW | 0% |
| Friday Night | 65°F | Mostly Clear then Slight Chance Rain Showers | 10 mph SW | 17% |
| Saturday | 79°F | Slight Chance Rain Showers | 10 mph SW | 20% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 36% |
| Monday | 79°F | Slight Chance Rain Showers | 5 to 10 mph W | 19% |
| Monday Night | 62°F | Chance Rain Showers | 5 mph NW | 30% |
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 Aug 4, 2026.