Byron, MI Weather & Growing Conditions
Tonight
54°F
Chance Light Rain
A chance of rain. Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. East northeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Chance Light Rain | 7 mph ENE | 37% |
| Saturday | 64°F | Showers And Thunderstorms | 5 to 8 mph ESE | 85% |
| Saturday Night | 56°F | Showers And Thunderstorms | 5 to 8 mph E | 85% |
| Sunday | 66°F | Chance Rain Showers | 7 to 13 mph NNE | 51% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 8 to 13 mph NE | 42% |
| Monday | 62°F | Mostly Cloudy | 9 to 13 mph NE | 9% |
| Monday Night | 47°F | Mostly Cloudy | 8 to 13 mph NE | 8% |
| Tuesday | 61°F | Partly Sunny | 10 to 14 mph NE | 12% |
| Tuesday Night | 49°F | Chance Rain Showers | 9 to 13 mph NE | 43% |
| Wednesday | 62°F | Chance Rain Showers | 12 mph ENE | 43% |
| Wednesday Night | 50°F | Chance Rain Showers | 6 to 10 mph NE | 34% |
| Thursday | 65°F | Partly Sunny | 6 to 9 mph NNE | 11% |
| Thursday Night | 50°F | Mostly Cloudy | 3 to 8 mph NNE | 11% |
| Friday | 68°F | Mostly Sunny | 3 to 8 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Byron, MI
Last spring frost
May 3
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
6a
Explore more for Byron, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Linden Wwtp, Mi (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.