Ruby, MI Weather & Growing Conditions
Tonight
60°F
Mostly Cloudy
Mostly cloudy, with a low around 60. South wind around 12 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Mostly Cloudy | 12 mph S | 3% |
| Wednesday | 67°F | Light Rain | 9 to 16 mph S | 97% |
| Wednesday Night | 51°F | Light Rain then Mostly Cloudy | 7 to 16 mph SSW | 77% |
| Thursday | 61°F | Mostly Cloudy | 8 to 14 mph SW | 11% |
| Thursday Night | 46°F | Chance Light Rain | 3 to 8 mph WSW | 33% |
| Friday | 55°F | Chance Light Rain | 5 to 10 mph NW | 50% |
| Friday Night | 38°F | Chance Light Rain | 9 mph NW | 50% |
| Saturday | 51°F | Chance Light Rain | 10 mph NW | 31% |
| Saturday Night | 32°F | Partly Cloudy | 6 mph W | 8% |
| Sunday | 55°F | Mostly Sunny | 6 to 10 mph WSW | 13% |
| Sunday Night | 33°F | Partly Cloudy | 8 mph WNW | 13% |
| Monday | 56°F | Mostly Sunny | 7 to 12 mph W | 12% |
| Monday Night | 37°F | Partly Cloudy | 9 mph WSW | 12% |
| Tuesday | 58°F | Mostly Sunny | 8 to 13 mph W | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ruby, MI
Last spring frost
Apr 19
First fall frost
Nov 3
Growing season
196 days
Hardiness zone
6a
Explore more for Ruby, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Port Huron, Mi (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.