Capac, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Capac, a village in St. Clair County, Michigan.
This Afternoon
70°F
Mostly Cloudy
Mostly cloudy. High near 70, with temperatures falling to around 66 in the afternoon. Northeast wind around 9 mph, with gusts as high as 20 mph.
7-day forecast for Capac
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Mostly Cloudy | 9 mph NE | 0% |
| Tonight | 52°F | Mostly Cloudy | 2 to 9 mph NE | 13% |
| Saturday | 66°F | Rain Showers Likely | 2 to 7 mph ESE | 73% |
| Saturday Night | 54°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 3 to 7 mph E | 77% |
| Sunday | 66°F | Chance Rain Showers | 5 to 12 mph NNE | 39% |
| Sunday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 10 mph NE | 22% |
| Monday | 63°F | Mostly Cloudy | 7 to 12 mph NE | 5% |
| Monday Night | 47°F | Mostly Cloudy | 6 to 10 mph NE | 8% |
| Tuesday | 62°F | Mostly Cloudy | 9 to 13 mph ENE | 12% |
| Tuesday Night | 49°F | Chance Rain Showers | 7 to 12 mph ENE | 46% |
| Wednesday | 63°F | Chance Rain Showers | 10 mph ENE | 47% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 3 to 8 mph ENE | 47% |
| Thursday | 66°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph NE | 18% |
| Thursday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 7 mph NNE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Capac (43.004, -82.922). Updated through the day.
Growing snapshot for Capac
Last spring frost
May 12
First fall frost
Oct 5
Growing season
147 days
Hardiness zone
6a
More local growing data for Capac: nearby ZIP 48014 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Yale 1 Nnw, Mi (10.5 mi from Capac). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.