Plymouth, MI Weather & Growing Conditions
This Afternoon
67°F
Chance Light Rain
A chance of rain. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Chance Light Rain | 15 mph S | 48% |
| Tonight | 50°F | Light Rain Likely then Mostly Cloudy | 10 to 15 mph SSW | 61% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Light Rain | 13 to 18 mph SW | 22% |
| Thursday Night | 40°F | Chance Light Rain | 12 mph W | 49% |
| Friday | 51°F | Chance Light Rain | 14 mph NW | 37% |
| Friday Night | 33°F | Chance Light Rain | 15 mph NW | 37% |
| Saturday | 50°F | Slight Chance Light Rain then Partly Sunny | 10 to 15 mph NW | 15% |
| Saturday Night | 30°F | Partly Cloudy | 8 mph WNW | 0% |
| Sunday | 57°F | Sunny | 7 to 15 mph W | 4% |
| Sunday Night | 33°F | Mostly Clear | 8 to 13 mph WNW | 4% |
| Monday | 58°F | Sunny | 7 to 12 mph W | 1% |
| Monday Night | 39°F | Mostly Clear | 13 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 13 mph W | 1% |
| Tuesday Night | 35°F | Partly Cloudy | 5 to 8 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plymouth, MI
Last spring frost
May 3
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
6a
Explore more for Plymouth, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Ann Arbor U Of Mich, Mi (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.