Buchanan, MI Weather & Growing Conditions
Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 5 mph S | 0% |
| Tonight | 61°F | Partly Cloudy | 5 mph S | 0% |
| Wednesday | 81°F | Chance Rain Showers | 5 mph SW | 32% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph SW | 85% |
| Thursday | 78°F | Showers And Thunderstorms | 0 to 5 mph SW | 85% |
| Thursday Night | 60°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 61% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SW | 8% |
| Friday Night | 61°F | Mostly Clear | 0 to 5 mph W | 8% |
| Saturday | 82°F | Mostly Sunny | 0 to 5 mph SW | 11% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 25% |
| Sunday | 84°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 25% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph SW | 41% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 49% |
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 Aug 4, 2026.