Plymouth, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plymouth, a city in Wayne County, Michigan.
This Afternoon
86°F
Sunny
Sunny, with a high near 86. South wind around 8 mph.
7-day forecast for Plymouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Sunny | 8 mph S | 0% |
| Tonight | 61°F | Mostly Clear | 3 to 8 mph SSW | 0% |
| Wednesday | 88°F | Sunny | 2 to 9 mph SW | 1% |
| Wednesday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 3 to 8 mph WSW | 44% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 3 to 9 mph WSW | 69% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely | 2 to 7 mph WSW | 69% |
| Friday | 85°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 36% |
| Friday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SW | 36% |
| Saturday | 88°F | Mostly Sunny | 3 to 10 mph WSW | 8% |
| Saturday Night | 67°F | Mostly Clear then Chance Rain Showers | 5 to 10 mph SW | 26% |
| Sunday | 90°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 26% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 9 to 15 mph WSW | 43% |
| Monday | 88°F | Chance Rain Showers | 8 to 12 mph WSW | 43% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 7 to 10 mph WSW | 48% |
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
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Belleville
Dearborn
Dearborn Heights
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Garden City
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Grosse Pointe Farms
Grosse Pointe Park
Grosse Pointe Woods
Hamtramck
Harper Woods
Highland Park
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Lincoln Park
Livonia
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River Rouge
Riverview
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Wayne
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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 Aug 4, 2026.