Harman US

Buchanan, MI Weather & Growing Conditions

Overnight
62°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 62. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 62°F Chance Rain Showers 20 mph S 45%
Wednesday 68°F Rain Showers Likely 15 to 20 mph S 55%
Wednesday Night 48°F Mostly Cloudy 10 to 15 mph SW 10%
Thursday 57°F Mostly Cloudy then Chance Rain Showers 10 to 15 mph SW 35%
Thursday Night 42°F Rain Showers Likely 5 to 10 mph NW 62%
Friday 52°F Rain Showers Likely 10 to 15 mph NW 62%
Friday Night 36°F Chance Rain Showers 5 to 15 mph N 54%
Saturday 51°F Mostly Sunny 5 to 10 mph NW 10%
Saturday Night 34°F Partly Cloudy 5 mph W 3%
Sunday 54°F Mostly Sunny 5 to 10 mph W 11%
Sunday Night 36°F Mostly Clear 5 to 10 mph W 12%
Monday 58°F Sunny 5 to 10 mph SW 5%
Monday Night 40°F Mostly Clear 5 to 10 mph SW 2%
Tuesday 58°F Sunny 5 to 10 mph W 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Buchanan, MI

Last spring frost
Apr 27
First fall frost
Oct 25
Growing season
180 days
Hardiness zone
6a

Explore more for Buchanan, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Niles, Mi (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.