Williamston, MI Weather & Growing Conditions
Tonight
53°F
Rain Showers Likely
Rain showers likely after 11pm. Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. East northeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Rain Showers Likely | 8 mph ENE | 55% |
| Saturday | 65°F | Showers And Thunderstorms | 5 to 9 mph ESE | 88% |
| Saturday Night | 57°F | Showers And Thunderstorms | 3 to 9 mph E | 82% |
| Sunday | 66°F | Rain Showers Likely | 6 to 12 mph NNE | 67% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 8 to 12 mph NE | 41% |
| Monday | 63°F | Mostly Cloudy | 9 to 13 mph NE | 12% |
| Monday Night | 47°F | Mostly Cloudy | 8 to 13 mph NE | 8% |
| Tuesday | 62°F | Partly Sunny then Slight Chance Rain Showers | 10 to 14 mph NE | 17% |
| Tuesday Night | 49°F | Chance Rain Showers | 9 to 13 mph NE | 41% |
| Wednesday | 62°F | Chance Rain Showers | 12 mph NE | 41% |
| Wednesday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 5 to 9 mph NE | 32% |
| Thursday | 65°F | Partly Sunny | 5 to 9 mph NNE | 8% |
| Thursday Night | 50°F | Mostly Cloudy | 2 to 7 mph NNE | 8% |
| 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 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 Sep 19, 2026.