Buchanan, MI Weather & Growing Conditions
This Afternoon
75°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 75. East wind around 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Rain Showers | 10 mph E | 15% |
| Tonight | 57°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph E | 54% |
| Saturday | 75°F | Showers And Thunderstorms | 5 to 10 mph SE | 88% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph S | 86% |
| Sunday | 71°F | Showers And Thunderstorms | 5 to 10 mph N | 80% |
| Sunday Night | 50°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 58% |
| Monday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 45% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 28% |
| Tuesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 19% |
| Tuesday Night | 49°F | Slight Chance Rain Showers | 5 to 10 mph NE | 19% |
| Wednesday | 66°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 15% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph N | 5% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 10 mph NE | 4% |
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 Sep 19, 2026.