Dexter, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a city in Washtenaw County, Michigan.
Tonight
61°F
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 5am. Mostly cloudy, with a low around 61. South southeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy then Slight Chance Light Rain | 13 mph SSE | 15% |
| Wednesday | 69°F | Light Rain | 14 to 18 mph S | 98% |
| Wednesday Night | 49°F | Light Rain then Mostly Cloudy | 8 to 14 mph SSW | 82% |
| Thursday | 61°F | Mostly Cloudy then Slight Chance Light Rain | 10 to 17 mph SW | 20% |
| Thursday Night | 44°F | Chance Light Rain | 2 to 8 mph W | 28% |
| Friday | 55°F | Chance Light Rain | 3 to 10 mph NW | 47% |
| Friday Night | 35°F | Chance Light Rain | 10 mph NW | 43% |
| Saturday | 52°F | Slight Chance Light Rain then Partly Sunny | 10 mph NW | 19% |
| Saturday Night | 31°F | Partly Cloudy | 6 mph W | 7% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Light Rain | 3 to 12 mph W | 17% |
| Sunday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 9 mph WNW | 17% |
| Monday | 58°F | Mostly Sunny | 7 to 13 mph W | 11% |
| Monday Night | 37°F | Partly Cloudy | 10 mph WSW | 11% |
| Tuesday | 61°F | Mostly Sunny | 9 to 15 mph W | 4% |
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 Nov 4, 2026.