Chatham, MI Weather & Growing Conditions
This Afternoon
65°F
Mostly Cloudy
Mostly cloudy, with a high near 65. Southeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Mostly Cloudy | 5 to 10 mph SE | 5% |
| Tonight | 47°F | Patchy Fog | 0 to 5 mph N | 12% |
| Sunday | 59°F | Slight Chance Rain Showers | 5 to 15 mph N | 17% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 15 mph NE | 1% |
| Monday | 58°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 to 10 mph NE | 0% |
| Tuesday | 62°F | Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 39°F | Mostly Clear | 5 to 10 mph E | 1% |
| Wednesday | 65°F | Sunny | 5 to 10 mph E | 3% |
| Wednesday Night | 42°F | Mostly Clear | 0 to 5 mph E | 3% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph SE | 1% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 5 mph SE | 5% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 45°F | Partly Cloudy | 0 to 5 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chatham, MI
Last spring frost
May 30
First fall frost
Sep 27
Growing season
119 days
Hardiness zone
5a
Explore more for Chatham, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Chatham Exp Farm 2, Mi (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.