Harman US

Ann Arbor, MI Weather & Growing Conditions

This Afternoon
67°F
Light Rain
Rain. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. South wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Light Rain 15 mph S 78%
Tonight 48°F Light Rain Likely then Mostly Cloudy 9 to 13 mph SSW 78%
Thursday 59°F Chance Light Rain 10 to 17 mph SW 9%
Thursday Night 42°F Chance Light Rain 10 mph W 45%
Friday 52°F Chance Light Rain 10 to 14 mph NW 45%
Friday Night 33°F Chance Light Rain 13 mph NW 43%
Saturday 50°F Partly Sunny 8 to 13 mph NW 8%
Saturday Night 30°F Partly Cloudy 6 mph WNW 2%
Sunday 56°F Sunny 6 to 15 mph W 7%
Sunday Night 31°F Mostly Clear 7 to 12 mph WNW 7%
Monday 58°F Sunny 6 to 12 mph W 2%
Monday Night 36°F Mostly Clear 10 mph WSW 1%
Tuesday 61°F Mostly Sunny 8 to 12 mph W 15%
Tuesday Night 33°F Partly Cloudy 3 to 7 mph WNW 15%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Ann Arbor, MI

Last spring frost
May 8
First fall frost
Oct 4
Growing season
147 days
Hardiness zone
6a

Explore more for Ann Arbor, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Ann Arbor Muni Ap, Mi (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.