Chatham, MI Weather & Growing Conditions
This Afternoon
80°F
Showers And Thunderstorms Likely
A slight chance of rain showers between 1pm and 2pm, then showers and thunderstorms likely. Mostly cloudy. High near 80, with temperatures falling to around 70 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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Showers And Thunderstorms Likely | 5 to 10 mph NW | 61% |
| Tonight | 62°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph N | 28% |
| Wednesday | 74°F | Mostly Sunny | 0 to 5 mph N | 2% |
| Wednesday Night | 61°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Thursday | 83°F | Sunny | 5 mph S | 2% |
| Thursday Night | 67°F | Mostly Clear | 10 mph S | 2% |
| Friday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph S | 38% |
| Saturday | 76°F | Slight Chance Showers And Thunderstorms | 5 mph W | 34% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 42% |
| Sunday | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 42% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 5 mph SW | 37% |
| Monday | 72°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph NW | 17% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 20% |
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 Aug 4, 2026.