Chatham, MI Weather & Growing Conditions
This Afternoon
61°F
Mostly Sunny
Mostly sunny, with a high near 61. South wind around 10 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Mostly Sunny | 10 mph S | 13% |
| Tonight | 49°F | Rain Showers Likely | 10 mph S | 55% |
| Thursday | 49°F | Rain Showers | 10 to 30 mph NW | 86% |
| Thursday Night | 34°F | Rain Showers Likely | 25 to 30 mph N | 70% |
| Friday | 42°F | Chance Rain And Snow Showers | 15 to 25 mph N | 36% |
| Friday Night | 33°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph N | 16% |
| Saturday | 46°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 5 to 10 mph SW | 2% |
| Sunday | 50°F | Slight Chance Rain Showers | 10 to 15 mph W | 15% |
| Sunday Night | 38°F | Partly Cloudy | 5 to 10 mph NW | 13% |
| Monday | 54°F | Partly Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 40°F | Partly Cloudy | 10 mph W | 0% |
| Tuesday | 50°F | Mostly Sunny | 10 to 15 mph NW | 11% |
| Tuesday Night | 36°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 (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.