Chatham, MI Weather & Growing Conditions
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers and patchy fog before 5pm. Mostly cloudy, with a high near 62. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 10 mph S | 46% |
| Tonight | 45°F | Chance Rain Showers | 5 to 10 mph S | 52% |
| Thursday | 50°F | Rain Showers | 5 to 25 mph NW | 94% |
| Thursday Night | 30°F | Rain Showers | 15 to 25 mph N | 94% |
| Friday | 43°F | Chance Rain And Snow Showers | 15 mph N | 44% |
| Friday Night | 28°F | Mostly Cloudy | 5 to 10 mph N | 14% |
| Saturday | 45°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph SW | 9% |
| Sunday | 49°F | Mostly Sunny | 5 to 15 mph W | 14% |
| Sunday Night | 33°F | Partly Cloudy | 5 to 10 mph W | 14% |
| Monday | 53°F | Partly Sunny | 5 to 10 mph SW | 7% |
| Monday Night | 35°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph W | 15% |
| Tuesday | 50°F | Slight Chance Rain Showers | 10 to 15 mph NW | 15% |
| Tuesday Night | 32°F | Slight Chance Rain Showers | 5 to 10 mph NW | 15% |
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 Nov 4, 2026.