Chatham, MI Weather & Growing Conditions
This Afternoon
67°F
Partly Sunny
Partly sunny, with a high near 67. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Partly Sunny | 5 mph SE | 5% |
| Tonight | 49°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph NW | 9% |
| Sunday | 60°F | Slight Chance Rain Showers then Partly Sunny | 5 to 15 mph N | 17% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 15 mph NE | 1% |
| Monday | 59°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Monday Night | 40°F | Partly Cloudy | 0 to 10 mph E | 0% |
| Tuesday | 63°F | Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 43°F | Mostly Clear | 5 to 10 mph E | 1% |
| Wednesday | 66°F | Sunny | 5 to 10 mph E | 2% |
| Wednesday Night | 44°F | Mostly Clear | 5 mph E | 2% |
| Thursday | 68°F | Sunny | 0 to 5 mph SE | 1% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 5 mph SE | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph E | 4% |
| Friday Night | 48°F | Mostly Clear | 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
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 (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.