Chatham, MI Weather & Growing Conditions
Today
65°F
Partly Sunny
Partly sunny, with a high near 65. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Partly Sunny | 5 to 10 mph SE | 12% |
| Tonight | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 10 mph E | 17% |
| Sunday | 60°F | Partly Sunny | 10 to 15 mph NE | 14% |
| Sunday Night | 46°F | Mostly Cloudy | 5 to 15 mph NE | 0% |
| Monday | 58°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Monday Night | 44°F | Partly Cloudy | 0 to 10 mph E | 0% |
| Tuesday | 62°F | Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 45°F | Mostly Clear | 5 to 10 mph E | 1% |
| Wednesday | 64°F | Sunny | 5 mph E | 2% |
| Wednesday Night | 47°F | Mostly Clear | 0 to 5 mph E | 0% |
| Thursday | 65°F | Sunny | 0 to 5 mph E | 1% |
| Thursday Night | 49°F | Mostly Clear | 0 to 5 mph SE | 3% |
| Friday | 67°F | Sunny | 0 to 5 mph S | 3% |
| Friday Night | 51°F | Mostly Clear | 5 mph SE | 0% |
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
5b
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 (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.