Plymouth, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plymouth, a city in Wayne County, Michigan.
This Afternoon
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 72 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Plymouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 15 mph S | 2% |
| Tonight | 61°F | Partly Cloudy | 13 mph SSE | 12% |
| Wednesday | 68°F | Light Rain | 13 to 17 mph S | 98% |
| Wednesday Night | 51°F | Light Rain Likely then Mostly Cloudy | 10 to 14 mph SSW | 66% |
| Thursday | 61°F | Mostly Cloudy then Chance Light Rain | 12 to 17 mph SW | 25% |
| Thursday Night | 46°F | Chance Light Rain | 5 to 10 mph W | 25% |
| Friday | 56°F | Chance Light Rain | 5 to 10 mph NW | 47% |
| Friday Night | 38°F | Chance Light Rain | 12 mph NW | 47% |
| Saturday | 52°F | Slight Chance Light Rain then Partly Sunny | 8 to 12 mph NW | 21% |
| Saturday Night | 34°F | Partly Cloudy | 7 mph W | 7% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Light Rain | 6 to 12 mph W | 16% |
| Sunday Night | 36°F | Slight Chance Light Rain then Partly Cloudy | 10 mph WNW | 16% |
| Monday | 58°F | Mostly Sunny | 8 to 13 mph W | 11% |
| Monday Night | 40°F | Partly Cloudy | 12 mph WSW | 11% |
Forecast source: National Weather Service (api.weather.gov) for Plymouth (42.371, -83.468). Updated through the day.
Growing snapshot for Plymouth
Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
179 days
Hardiness zone
6b
More local growing data for Plymouth: nearby ZIP 48187 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Allen Park
Belleville
Dearborn
Dearborn Heights
Detroit
Ecorse
Flat Rock
Garden City
Gibraltar
Grosse Pointe
Grosse Pointe Farms
Grosse Pointe Park
Grosse Pointe Woods
Hamtramck
Harper Woods
Highland Park
Inkster
Lincoln Park
Livonia
Melvindale
River Rouge
Riverview
Rockwood
Romulus
Southgate
Taylor
Trenton
Wayne
Westland
Woodhaven
Climate data from the nearest NOAA station, Detroit Willow Run Ap, Mi (6.9 mi from Plymouth). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.