Ann Arbor, MI Weather & Growing Conditions
Today
67°F
Showers And Thunderstorms
Showers and thunderstorms before 4pm, then patchy fog and a chance of showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. East southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Showers And Thunderstorms | 9 mph ESE | 80% |
| Tonight | 59°F | Patchy Fog | 5 to 8 mph ESE | 94% |
| Sunday | 69°F | Chance Rain Showers | 6 to 13 mph NNE | 51% |
| Sunday Night | 51°F | Mostly Cloudy | 9 to 13 mph NE | 6% |
| Monday | 62°F | Mostly Cloudy | 10 to 14 mph NE | 6% |
| Monday Night | 47°F | Mostly Cloudy | 13 mph NE | 7% |
| Tuesday | 61°F | Partly Sunny | 14 to 17 mph NE | 11% |
| Tuesday Night | 50°F | Chance Rain Showers | 16 mph ENE | 44% |
| Wednesday | 61°F | Chance Rain Showers | 13 to 16 mph ENE | 54% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 8 to 13 mph ENE | 53% |
| Thursday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 16% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 9 mph NE | 10% |
| Friday | 68°F | Mostly Sunny | 6 to 9 mph NNE | 7% |
| Friday Night | 48°F | Partly Cloudy | 5 to 8 mph NE | 5% |
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 (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.