St. Joseph, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Joseph, a city in Berrien County, Michigan.
This Afternoon
72°F
Partly Sunny
Partly sunny, with a high near 72. South wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for St. Joseph
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Partly Sunny | 15 mph S | 4% |
| Tonight | 61°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph S | 43% |
| Wednesday | 67°F | Rain Showers Likely | 15 mph S | 71% |
| Wednesday Night | 48°F | Mostly Cloudy | 10 to 15 mph SW | 14% |
| Thursday | 57°F | Chance Rain Showers | 10 to 15 mph SW | 25% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 10 mph W | 50% |
| Friday | 54°F | Chance Rain Showers | 10 to 15 mph N | 47% |
| Friday Night | 38°F | Chance Rain Showers | 5 to 15 mph N | 47% |
| Saturday | 51°F | Partly Sunny | 5 to 10 mph NW | 14% |
| Saturday Night | 37°F | Partly Cloudy | 5 mph W | 5% |
| Sunday | 54°F | Slight Chance Rain Showers | 5 to 10 mph W | 21% |
| Sunday Night | 39°F | Slight Chance Rain Showers | 10 mph NW | 21% |
| Monday | 57°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph W | 17% |
| Monday Night | 42°F | Partly Cloudy | 10 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for St. Joseph (42.100, -86.489). Updated through the day.
Growing snapshot for St. Joseph
Last spring frost
May 5
First fall frost
Oct 15
Growing season
161 days
Hardiness zone
6b
More local growing data for St. Joseph: nearby ZIP 49085 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Baroda
Benton Harbor
Benton Heights
Berrien Springs
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Buchanan
Coloma
Eau Claire
Fair Plain
Galien
Grand Beach
Lake Michigan Beach
Michiana
Millburg
New Buffalo
New Troy
Niles
Paw Paw Lake
Shoreham
Shorewood-Tower Hills-Harbert
Stevensville
Three Oaks
Watervliet
Climate data from the nearest NOAA station, Benton Harbor Ap, Mi (5.2 mi from St. Joseph). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.