Marysville, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marysville, a city in St. Clair County, Michigan.
Overnight
61°F
Mostly Cloudy
Mostly cloudy, with a low around 61. South wind around 9 mph, with gusts as high as 20 mph.
7-day forecast for Marysville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Cloudy | 9 mph S | 2% |
| Wednesday | 67°F | Light Rain | 9 to 17 mph S | 99% |
| Wednesday Night | 52°F | Chance Light Rain then Mostly Cloudy | 7 to 17 mph SSW | 47% |
| Thursday | 60°F | Mostly Cloudy | 8 to 14 mph SW | 5% |
| Thursday Night | 44°F | Chance Light Rain | 3 to 8 mph WSW | 45% |
| Friday | 54°F | Light Rain Likely | 3 to 10 mph NW | 63% |
| Friday Night | 36°F | Light Rain Likely | 9 mph NW | 60% |
| Saturday | 51°F | Chance Light Rain | 8 to 14 mph NW | 46% |
| Saturday Night | 31°F | Mostly Cloudy | 7 mph WNW | 10% |
| Sunday | 55°F | Mostly Sunny | 6 to 12 mph W | 7% |
| Sunday Night | 32°F | Partly Cloudy | 6 to 9 mph W | 7% |
| Monday | 57°F | Mostly Sunny | 6 to 10 mph WSW | 4% |
| Monday Night | 36°F | Partly Cloudy | 8 mph SW | 5% |
| Tuesday | 59°F | Mostly Sunny | 10 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov) for Marysville (42.908, -82.481). Updated through the day.
Growing snapshot for Marysville
Last spring frost
Apr 19
First fall frost
Nov 3
Growing season
196 days
Hardiness zone
6a
More local growing data for Marysville: nearby ZIP 48040 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Port Huron, Mi (5.4 mi from Marysville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.