Ann Arbor, MI Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. South southwest wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 2 to 7 mph SSW | 0% |
| Tonight | 57°F | Mostly Clear | 1 to 8 mph S | 0% |
| Wednesday | 87°F | Sunny | 0 to 7 mph SW | 2% |
| Wednesday Night | 64°F | Mostly Cloudy then Showers And Thunderstorms Likely | 2 to 7 mph WSW | 55% |
| Thursday | 83°F | Showers And Thunderstorms | 3 to 8 mph WSW | 76% |
| Thursday Night | 61°F | Showers And Thunderstorms | 1 to 5 mph WSW | 76% |
| Friday | 84°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph SW | 38% |
| Friday Night | 61°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 38% |
| Saturday | 86°F | Mostly Sunny | 2 to 9 mph SW | 9% |
| Saturday Night | 64°F | Mostly Clear then Chance Rain Showers | 3 to 9 mph SW | 26% |
| Sunday | 88°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 15 mph SW | 26% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 8 to 15 mph SW | 42% |
| Monday | 87°F | Chance Rain Showers | 7 to 10 mph WSW | 42% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 6 to 9 mph WSW | 50% |
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 Aug 4, 2026.