Chatham, MI Weather & Growing Conditions
This Afternoon
65°F
Mostly Cloudy
Mostly cloudy. High near 65, with temperatures falling to around 62 in the afternoon. 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 | 9% |
| Tonight | 44°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 19% |
| Sunday | 62°F | Partly Sunny | 5 to 15 mph N | 8% |
| Sunday Night | 39°F | Mostly Cloudy | 5 to 15 mph NE | 0% |
| Monday | 60°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Monday Night | 36°F | Partly Cloudy | 0 to 10 mph NE | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 37°F | Mostly Clear | 0 to 5 mph E | 1% |
| Wednesday | 67°F | Sunny | 0 to 5 mph E | 1% |
| Wednesday Night | 40°F | Mostly Clear | 0 to 5 mph E | 0% |
| Thursday | 69°F | Sunny | 0 to 5 mph E | 1% |
| Thursday Night | 41°F | Partly Cloudy | 0 to 5 mph E | 3% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph N | 3% |
| Friday Night | 42°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 27
First fall frost
Sep 28
Growing season
124 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 1 Se, Mi (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.