Ann Arbor, MI Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. South southwest wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 to 7 mph SSW | 0% |
| Tonight | 59°F | Mostly Clear | 2 to 8 mph S | 0% |
| Wednesday | 86°F | Sunny | 1 to 7 mph SW | 2% |
| Wednesday Night | 64°F | Partly Cloudy then Chance Showers And Thunderstorms | 2 to 7 mph WSW | 52% |
| Thursday | 82°F | Showers And Thunderstorms Likely | 3 to 8 mph WSW | 74% |
| Thursday Night | 62°F | Showers And Thunderstorms Likely | 2 to 6 mph WSW | 74% |
| Friday | 84°F | Chance Showers And Thunderstorms | 5 mph SW | 37% |
| Friday Night | 62°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 37% |
| Saturday | 86°F | Mostly Sunny | 3 to 9 mph WSW | 8% |
| Saturday Night | 65°F | Mostly Clear then Chance Rain Showers | 5 to 9 mph SW | 27% |
| Sunday | 88°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 27% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 8 to 15 mph WSW | 43% |
| Monday | 86°F | Chance Rain Showers | 10 mph WSW | 43% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 9 mph W | 49% |
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 (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.