Chatham, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chatham, a village in Alger County, Michigan.
Tonight
56°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a low around 56. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Chatham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain Showers | 5 to 10 mph S | 89% |
| Wednesday | 62°F | Rain Showers | 10 to 15 mph S | 93% |
| Wednesday Night | 47°F | Rain Showers Likely | 5 to 10 mph S | 57% |
| Thursday | 52°F | Rain Showers | 5 to 15 mph NW | 99% |
| Thursday Night | 32°F | Rain Showers | 15 to 20 mph N | 99% |
| Friday | 42°F | Chance Rain Showers | 10 to 15 mph N | 28% |
| Friday Night | 29°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 23% |
| Saturday | 46°F | Mostly Sunny | 5 mph W | 2% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph SW | 4% |
| Sunday | 50°F | Slight Chance Rain Showers | 5 to 10 mph NW | 16% |
| Sunday Night | 33°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 16% |
| Monday | 52°F | Partly Sunny | 5 to 10 mph SW | 7% |
| Monday Night | 35°F | Mostly Cloudy | 10 mph W | 8% |
| Tuesday | 50°F | Mostly Sunny | 10 to 15 mph NW | 12% |
Forecast source: National Weather Service (api.weather.gov) for Chatham (46.344, -86.931). Updated through the day.
Growing snapshot for Chatham
Last spring frost
May 30
First fall frost
Sep 27
Growing season
119 days
Hardiness zone
5a
More local growing data for Chatham: nearby ZIP 49825 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chatham Exp Farm 2, Mi (2.6 mi from Chatham). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.