Byron, MI Weather & Growing Conditions
This Afternoon
74°F
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. South wind around 13 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 13 mph S | 2% |
| Tonight | 62°F | Partly Cloudy | 13 mph S | 6% |
| Wednesday | 69°F | Light Rain | 16 mph S | 93% |
| Wednesday Night | 50°F | Light Rain then Mostly Cloudy | 8 to 13 mph SSW | 80% |
| Thursday | 59°F | Mostly Cloudy then Slight Chance Light Rain | 10 to 16 mph SW | 20% |
| Thursday Night | 45°F | Chance Light Rain | 3 to 8 mph W | 42% |
| Friday | 53°F | Chance Light Rain | 5 to 10 mph NW | 49% |
| Friday Night | 36°F | Chance Light Rain | 7 to 10 mph NNW | 48% |
| Saturday | 50°F | Slight Chance Light Rain then Partly Sunny | 9 mph NW | 19% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 5% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph WSW | 16% |
| Sunday Night | 34°F | Slight Chance Light Rain then Partly Cloudy | 6 to 9 mph WNW | 16% |
| Monday | 57°F | Mostly Sunny | 6 to 12 mph W | 10% |
| Monday Night | 38°F | Partly Cloudy | 10 mph WSW | 10% |
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 Nov 4, 2026.