DeWitt, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for DeWitt, a city in Clinton County, Michigan.
Tonight
52°F
Rain Showers Likely
Rain showers likely after 8pm. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. East northeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for DeWitt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers Likely | 7 to 10 mph ENE | 56% |
| Saturday | 65°F | Showers And Thunderstorms | 5 to 10 mph ESE | 88% |
| Saturday Night | 56°F | Showers And Thunderstorms | 5 to 9 mph E | 82% |
| Sunday | 67°F | Rain Showers Likely | 8 to 14 mph NE | 61% |
| Sunday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 9 to 13 mph NE | 38% |
| Monday | 63°F | Mostly Cloudy | 12 to 15 mph ENE | 10% |
| Monday Night | 46°F | Mostly Cloudy | 10 to 16 mph NE | 10% |
| Tuesday | 62°F | Partly Sunny then Slight Chance Rain Showers | 15 mph NE | 19% |
| Tuesday Night | 48°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Wednesday | 63°F | Chance Rain Showers | 13 mph NE | 38% |
| Wednesday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 5 to 12 mph NE | 29% |
| Thursday | 66°F | Partly Sunny | 6 to 10 mph NNE | 6% |
| Thursday Night | 49°F | Mostly Cloudy | 3 to 8 mph NNE | 5% |
| Friday | 69°F | Mostly Sunny | 3 to 8 mph NNE | 7% |
Forecast source: National Weather Service (api.weather.gov) for DeWitt (42.839, -84.584). Updated through the day.
Growing snapshot for DeWitt
Last spring frost
May 1
First fall frost
Oct 13
Growing season
162 days
Hardiness zone
6a
More local growing data for DeWitt: nearby ZIP 48820 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lansing Capital City Ap, Mi (5.8 mi from DeWitt). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.