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Ypsilanti, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ypsilanti, a city in Washtenaw County, Michigan.

Today
68°F
Light Rain
Rain. Mostly cloudy. High near 68, with temperatures falling to around 66 in the afternoon. South wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Ypsilanti

WhenTempForecastWindPrecip
Today 68°F Light Rain 13 to 18 mph S 97%
Tonight 49°F Light Rain Likely then Mostly Cloudy 9 to 14 mph SSW 69%
Thursday 60°F Mostly Cloudy 12 to 17 mph SW 10%
Thursday Night 42°F Chance Light Rain 3 to 9 mph W 42%
Friday 54°F Chance Light Rain 5 to 10 mph NW 45%
Friday Night 34°F Chance Light Rain 10 mph NW 41%
Saturday 51°F Partly Sunny 9 to 13 mph NW 9%
Saturday Night 30°F Partly Cloudy 7 mph WNW 2%
Sunday 56°F Mostly Sunny 6 to 14 mph W 6%
Sunday Night 32°F Partly Cloudy 7 to 12 mph W 6%
Monday 59°F Mostly Sunny 6 to 12 mph W 2%
Monday Night 36°F Partly Cloudy 9 mph WSW 1%
Tuesday 62°F Mostly Sunny then Slight Chance Light Rain 9 to 13 mph W 15%
Tuesday Night 34°F Slight Chance Light Rain 3 to 9 mph WNW 15%

Forecast source: National Weather Service (api.weather.gov) for Ypsilanti (42.244, -83.621). Updated through the day.

Growing snapshot for Ypsilanti

Last spring frost
Apr 24
First fall frost
Oct 24
Growing season
179 days
Hardiness zone
6a

More local growing data for Ypsilanti: nearby ZIP 48198 weather · frost dates · planting calendar · Michigan frost dates

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Climate data from the nearest NOAA station, Detroit Willow Run Ap, Mi (4 mi from Ypsilanti). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.