Williamston, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williamston, a city in Ingham County, Michigan.
Tonight
62°F
Partly Cloudy
Partly cloudy, with a low around 62. South southeast wind around 14 mph, with gusts as high as 25 mph.
7-day forecast for Williamston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Partly Cloudy | 14 mph SSE | 11% |
| Wednesday | 68°F | Rain Showers | 13 to 16 mph S | 81% |
| Wednesday Night | 48°F | Rain Showers Likely then Mostly Cloudy | 8 to 12 mph SW | 64% |
| 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 | 5 to 13 mph W | 10% |
| Sunday Night | 32°F | Mostly Clear | 3 to 9 mph W | 10% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Monday Night | 37°F | Partly Cloudy | 8 mph WSW | 3% |
| Tuesday | 59°F | Mostly Sunny | 7 to 12 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Williamston (42.683, -84.284). Updated through the day.
Growing snapshot for Williamston
Last spring frost
Apr 28
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
6a
More local growing data for Williamston: nearby ZIP 48895 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Dansville
East Lansing
Edgemont Park
Haslett
Holt
Lansing
Leslie
Mason
Okemos
Stockbridge
Webberville
Climate data from the nearest NOAA station, East Lansing 4 S, Mi (10.5 mi from Williamston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.