Plymouth, MI Weather & Growing Conditions
Tonight
59°F
Slight Chance Showers And Thunderstorms then Patchy Fog
A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then patchy fog and showers and thunderstorms likely between midnight and 2am, then patchy fog and showers and thunderstorms between 2am and 5am, then patchy fog and showers and thunderstorms. Cloudy. Low around 59, with temperatures rising to around 61 overnight. East northeast wind 3 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 3 to 8 mph ENE | 96% |
| Sunday | 69°F | Patchy Fog | 6 to 13 mph NNE | 81% |
| Sunday Night | 52°F | Mostly Cloudy | 13 mph NE | 11% |
| Monday | 64°F | Partly Sunny | 12 to 15 mph NE | 7% |
| Monday Night | 50°F | Mostly Cloudy | 14 mph NE | 7% |
| Tuesday | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 14 to 17 mph NE | 19% |
| Tuesday Night | 52°F | Chance Rain Showers | 17 mph ENE | 48% |
| Wednesday | 62°F | Chance Rain Showers | 17 mph ENE | 54% |
| Wednesday Night | 52°F | Chance Rain Showers | 10 to 15 mph ENE | 54% |
| Thursday | 65°F | Slight Chance Rain Showers then Partly Sunny | 12 mph ENE | 18% |
| Thursday Night | 51°F | Mostly Cloudy | 6 to 9 mph NE | 10% |
| Friday | 69°F | Mostly Sunny | 6 to 9 mph NE | 9% |
| Friday Night | 51°F | Partly Cloudy | 5 to 8 mph NNE | 4% |
| Saturday | 72°F | Mostly Sunny | 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plymouth, MI
Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
179 days
Hardiness zone
6b
Explore more for Plymouth, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Detroit Willow Run Ap, Mi (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.