Williamston, MI Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. South southwest wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 3 to 7 mph SSW | 0% |
| Tonight | 59°F | Mostly Clear | 6 mph SSW | 0% |
| Wednesday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph SW | 27% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 8 mph WSW | 78% |
| Thursday | 80°F | Showers And Thunderstorms | 1 to 6 mph WSW | 78% |
| Thursday Night | 61°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 61% |
| Friday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 23% |
| Friday Night | 61°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 5 mph SW | 23% |
| Saturday | 86°F | Sunny | 2 to 10 mph SW | 5% |
| Saturday Night | 65°F | Mostly Clear then Chance Rain Showers | 3 to 10 mph SW | 26% |
| Sunday | 88°F | Chance Rain Showers | 6 to 14 mph SW | 26% |
| Sunday Night | 66°F | Chance Rain Showers | 6 to 13 mph WSW | 47% |
| Monday | 86°F | Chance Rain Showers | 6 to 9 mph WSW | 47% |
| Monday Night | 64°F | Chance Rain Showers | 5 to 9 mph W | 48% |
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 Aug 4, 2026.