Dexter, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a city in Washtenaw County, Michigan.
Today
86°F
Sunny
Sunny, with a high near 86. South southwest wind 3 to 7 mph.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 to 7 mph SSW | 0% |
| Tonight | 58°F | Mostly Clear | 1 to 8 mph S | 0% |
| Wednesday | 87°F | Sunny | 1 to 8 mph SSW | 3% |
| Wednesday Night | 64°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph WSW | 60% |
| Thursday | 83°F | Showers And Thunderstorms | 2 to 7 mph WSW | 77% |
| Thursday Night | 62°F | Showers And Thunderstorms | 0 to 6 mph WSW | 77% |
| Friday | 85°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 6 mph SW | 35% |
| Friday Night | 61°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 35% |
| Saturday | 87°F | Mostly Sunny | 2 to 10 mph WSW | 8% |
| Saturday Night | 64°F | Mostly Clear then Chance Rain Showers | 3 to 9 mph SW | 27% |
| Sunday | 89°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 15 mph SW | 27% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 8 to 15 mph WSW | 42% |
| Monday | 87°F | Chance Rain Showers | 7 to 10 mph WSW | 42% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 49% |
Forecast source: National Weather Service (api.weather.gov) for Dexter (42.332, -83.881). Updated through the day.
Growing snapshot for Dexter
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
163 days
Hardiness zone
6a
More local growing data for Dexter: nearby ZIP 48130 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chelsea, Mi (5.9 mi from Dexter). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.