DeWitt, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for DeWitt, a city in Clinton County, Michigan.
This Afternoon
74°F
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. South wind 13 to 16 mph, with gusts as high as 26 mph.
7-day forecast for DeWitt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 13 to 16 mph S | 4% |
| Tonight | 62°F | Partly Cloudy | 10 to 14 mph S | 11% |
| Wednesday | 70°F | Rain Showers | 13 to 16 mph S | 88% |
| Wednesday Night | 50°F | Rain Showers Likely then Mostly Cloudy | 12 mph SW | 64% |
| Thursday | 59°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph SW | 27% |
| Thursday Night | 44°F | Chance Rain Showers | 3 to 8 mph W | 47% |
| Friday | 52°F | Chance Rain Showers | 5 to 12 mph NW | 51% |
| Friday Night | 36°F | Chance Rain Showers | 7 to 10 mph NNW | 44% |
| Saturday | 51°F | Partly Sunny | 8 mph NW | 11% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph WSW | 4% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 12 mph W | 19% |
| Sunday Night | 35°F | Slight Chance Rain Showers then Partly Cloudy | 6 to 10 mph WNW | 19% |
| Monday | 58°F | Mostly Sunny | 6 to 13 mph W | 8% |
| Monday Night | 39°F | Partly Cloudy | 10 mph WSW | 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 Nov 3, 2026.