Harman US

Chatham, MI Weather & Growing Conditions

Today
81°F
Partly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Partly sunny. High near 81, with temperatures falling to around 72 in the afternoon. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Partly Sunny then Showers And Thunderstorms Likely 5 to 10 mph W 64%
Tonight 55°F Chance Showers And Thunderstorms then Mostly Cloudy 0 to 5 mph N 36%
Wednesday 76°F Mostly Sunny 0 to 5 mph N 6%
Wednesday Night 53°F Partly Cloudy 0 to 5 mph SE 2%
Thursday 82°F Sunny 5 to 10 mph S 3%
Thursday Night 60°F Mostly Clear 5 to 10 mph S 3%
Friday 86°F Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SW 18%
Friday Night 62°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 to 10 mph S 37%
Saturday 80°F Chance Showers And Thunderstorms 5 mph SW 38%
Saturday Night 58°F Chance Showers And Thunderstorms 0 to 5 mph S 42%
Sunday 80°F Chance Showers And Thunderstorms 5 to 10 mph W 42%
Sunday Night 56°F Chance Showers And Thunderstorms 0 to 5 mph NW 39%
Monday 77°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph NW 20%
Monday Night 55°F Slight Chance Showers And Thunderstorms 0 to 5 mph NW 22%

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 Aug 4, 2026.