Chatham, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chatham, a village in Alger County, Michigan.
This Afternoon
81°F
Showers And Thunderstorms Likely
A slight chance of rain showers between 1pm and 2pm, then showers and thunderstorms likely. Mostly cloudy. High near 81, with temperatures falling to around 71 in the afternoon. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Chatham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Showers And Thunderstorms Likely | 5 to 10 mph NW | 63% |
| Tonight | 56°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph N | 31% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph N | 4% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 5 mph SE | 1% |
| Thursday | 83°F | Sunny | 5 to 10 mph S | 3% |
| Thursday Night | 61°F | Mostly Clear | 10 mph S | 3% |
| Friday | 86°F | Sunny then Slight Chance Showers And Thunderstorms | 10 mph SW | 19% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph S | 37% |
| Saturday | 80°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 37% |
| Saturday Night | 60°F | Chance Showers And Thunderstorms | 5 mph S | 42% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 42% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 5 mph NW | 39% |
| Monday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph NW | 19% |
| Monday Night | 56°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 21% |
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 Aug 4, 2026.