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
67°F
Light Rain
Rain. Mostly cloudy, with a high near 67. South wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Whitmore Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Light Rain | 15 to 18 mph S | 94% |
| Tonight | 48°F | Light Rain then Mostly Cloudy | 9 to 14 mph SSW | 82% |
| Thursday | 59°F | Mostly Cloudy | 10 to 16 mph SW | 9% |
| Thursday Night | 41°F | Chance Light Rain | 3 to 9 mph W | 52% |
| Friday | 51°F | Light Rain Likely | 3 to 10 mph NW | 59% |
| Friday Night | 32°F | Light Rain Likely | 10 mph NNW | 59% |
| Saturday | 50°F | Partly Sunny | 8 to 14 mph NW | 8% |
| Saturday Night | 29°F | Partly Cloudy | 6 mph WNW | 3% |
| Sunday | 55°F | Mostly Sunny | 7 to 14 mph W | 5% |
| Sunday Night | 30°F | Partly Cloudy | 7 to 12 mph W | 5% |
| Monday | 58°F | Mostly Sunny | 6 to 12 mph W | 1% |
| Monday Night | 35°F | Partly Cloudy | 9 mph WSW | 2% |
| Tuesday | 60°F | Mostly Sunny then Slight Chance Light Rain | 9 to 13 mph W | 15% |
| Tuesday Night | 32°F | Slight Chance Light Rain | 3 to 9 mph NW | 15% |
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 Nov 4, 2026.