Williamston, MI Weather & Growing Conditions
This Afternoon
68°F
Rain Showers
Rain showers. Mostly cloudy. High near 68, with temperatures falling to around 65 in the afternoon. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Rain Showers | 15 mph S | 94% |
| Tonight | 48°F | Rain Showers then Mostly Cloudy | 8 to 13 mph SW | 92% |
| Thursday | 57°F | Mostly Cloudy then Chance Rain Showers | 9 to 14 mph SW | 32% |
| Thursday Night | 38°F | Rain Showers Likely | 9 mph W | 61% |
| Friday | 48°F | Chance Rain Showers | 8 to 12 mph NW | 48% |
| Friday Night | 31°F | Chance Rain Showers | 10 mph NW | 48% |
| Saturday | 49°F | Partly Sunny | 9 mph NW | 3% |
| Saturday Night | 28°F | Partly Cloudy | 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 13 mph W | 2% |
| Sunday Night | 32°F | Mostly Clear | 5 to 10 mph W | 2% |
| Monday | 58°F | Sunny | 5 to 10 mph W | 2% |
| Monday Night | 38°F | Mostly Clear | 9 mph WSW | 1% |
| Tuesday | 60°F | Mostly Sunny | 7 to 10 mph W | 1% |
| Tuesday Night | 33°F | Partly Cloudy | 2 to 7 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamston, MI
Last spring frost
Apr 28
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
6a
Explore more for Williamston, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, East Lansing 4 S, Mi (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.