Ann Arbor, MI Weather & Growing Conditions
This Afternoon
67°F
Chance Showers And Thunderstorms
Rain showers before 5pm, then a chance of showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. East southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Chance Showers And Thunderstorms | 10 mph ESE | 84% |
| Tonight | 60°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 2 to 8 mph ENE | 97% |
| Sunday | 68°F | Patchy Fog | 6 to 12 mph NNE | 72% |
| Sunday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 16% |
| Monday | 64°F | Partly Sunny | 14 mph NE | 7% |
| Monday Night | 49°F | Mostly Cloudy | 13 mph NE | 7% |
| Tuesday | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 13 to 16 mph NE | 17% |
| Tuesday Night | 51°F | Chance Rain Showers | 16 mph ENE | 44% |
| Wednesday | 61°F | Chance Rain Showers | 16 mph ENE | 53% |
| Wednesday Night | 52°F | Chance Rain Showers | 9 to 14 mph ENE | 53% |
| Thursday | 64°F | Slight Chance Rain Showers then Partly Sunny | 12 mph ENE | 17% |
| Thursday Night | 51°F | Mostly Cloudy | 5 to 8 mph NE | 9% |
| Friday | 69°F | Mostly Sunny | 8 mph NE | 9% |
| Friday Night | 50°F | Partly Cloudy | 3 to 7 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ann Arbor, MI
Last spring frost
May 3
First fall frost
Oct 13
Growing season
160 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 U Of Mich, Mi (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.