Williamston, MI Weather & Growing Conditions
Today
68°F
Rain Showers
Rain showers. Mostly cloudy. High near 68, with temperatures falling to around 66 in the afternoon. South wind 13 to 16 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 |
|---|---|---|---|---|
| Today | 68°F | Rain Showers | 13 to 16 mph S | 78% |
| Tonight | 48°F | Chance Rain Showers then Mostly Cloudy | 8 to 12 mph SW | 50% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SW | 20% |
| Thursday Night | 40°F | Rain Showers Likely | 5 to 9 mph W | 58% |
| Friday | 50°F | Rain Showers Likely | 7 to 12 mph NW | 59% |
| Friday Night | 32°F | Rain Showers Likely | 7 to 10 mph NW | 59% |
| Saturday | 49°F | Partly Sunny | 9 mph NW | 10% |
| Saturday Night | 29°F | Partly Cloudy | 5 mph WNW | 2% |
| Sunday | 54°F | Mostly Sunny | 6 to 13 mph W | 9% |
| Sunday Night | 32°F | Mostly Clear | 3 to 10 mph W | 9% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Monday Night | 37°F | Partly Cloudy | 8 mph WSW | 3% |
| Tuesday | 60°F | Mostly Sunny then Slight Chance Rain Showers | 7 to 12 mph W | 15% |
| Tuesday Night | 33°F | Slight Chance Rain Showers | 1 to 8 mph WNW | 15% |
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.