Whitmore Lake, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whitmore Lake, a community in Washtenaw County, Michigan.
Today
85°F
Sunny
Sunny, with a high near 85. South southwest wind around 7 mph.
7-day forecast for Whitmore Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 7 mph SSW | 0% |
| Tonight | 58°F | Mostly Clear | 3 to 7 mph S | 0% |
| Wednesday | 87°F | Sunny | 3 to 9 mph SW | 3% |
| Wednesday Night | 64°F | Mostly Cloudy then Showers And Thunderstorms Likely | 2 to 8 mph WSW | 59% |
| Thursday | 82°F | Showers And Thunderstorms | 2 to 8 mph WSW | 75% |
| Thursday Night | 62°F | Showers And Thunderstorms | 1 to 6 mph SW | 75% |
| Friday | 84°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 34% |
| Friday Night | 62°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 34% |
| Saturday | 87°F | Mostly Sunny | 2 to 10 mph WSW | 6% |
| Saturday Night | 65°F | Mostly Clear then Chance Rain Showers | 5 to 10 mph SW | 27% |
| Sunday | 88°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 27% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 8 to 15 mph WSW | 43% |
| Monday | 86°F | Chance Rain Showers | 7 to 10 mph W | 43% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 6 to 10 mph W | 48% |
Forecast source: National Weather Service (api.weather.gov) for Whitmore Lake (42.420, -83.752). Updated through the day.
Growing snapshot for Whitmore Lake
Last spring frost
May 5
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
6a
More local growing data for Whitmore Lake: nearby ZIP 48189 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Whitmore Lake 1Nw, Mi (1.8 mi from Whitmore Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.