Byron, MI Weather & Growing Conditions
This Afternoon
68°F
Light Rain
Rain. Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Light Rain | 15 mph S | 84% |
| Tonight | 49°F | Light Rain then Mostly Cloudy | 8 to 13 mph SSW | 52% |
| Thursday | 58°F | Mostly Cloudy then Chance Light Rain | 10 to 15 mph SW | 10% |
| Thursday Night | 41°F | Chance Light Rain | 9 mph W | 58% |
| Friday | 50°F | Chance Light Rain | 12 mph NW | 59% |
| Friday Night | 33°F | Chance Light Rain | 10 mph NW | 59% |
| Saturday | 49°F | Partly Sunny | 10 mph NW | 9% |
| Saturday Night | 30°F | Partly Cloudy | 6 mph W | 2% |
| Sunday | 54°F | Sunny | 6 to 14 mph W | 5% |
| Sunday Night | 32°F | Mostly Clear | 6 to 10 mph W | 5% |
| Monday | 57°F | Mostly Sunny | 6 to 10 mph W | 1% |
| Monday Night | 37°F | Mostly Clear | 9 mph WSW | 3% |
| Tuesday | 60°F | Sunny | 10 mph W | 15% |
| Tuesday Night | 34°F | Partly Cloudy | 2 to 7 mph WNW | 15% |
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 (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.