St. Michaels, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Michaels, a community in Mckinley County, Arizona.
Tonight
32°F
Mostly Clear
Mostly clear, with a low around 32. Southwest wind 1 to 5 mph.
7-day forecast for St. Michaels
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 32°F | Mostly Clear | 1 to 5 mph SW | 1% |
| Wednesday | 55°F | Sunny | 3 to 18 mph SW | 10% |
| Wednesday Night | 29°F | Mostly Clear | 3 to 9 mph NW | 10% |
| Thursday | 55°F | Sunny | 2 to 6 mph E | 0% |
| Thursday Night | 32°F | Partly Cloudy | 2 mph E | 0% |
| Friday | 56°F | Mostly Sunny | 1 to 7 mph NW | 7% |
| Friday Night | 31°F | Mostly Clear | 1 to 6 mph N | 7% |
| Saturday | 56°F | Sunny | 1 to 8 mph NE | 1% |
| Saturday Night | 30°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Sunday | 61°F | Sunny | 0 to 3 mph E | 2% |
| Sunday Night | 33°F | Partly Cloudy | 1 mph NE | 2% |
| Monday | 62°F | Mostly Sunny | 2 mph SW | 6% |
| Monday Night | 34°F | Partly Cloudy | 1 mph NW | 6% |
| Tuesday | 62°F | Mostly Sunny | 0 to 5 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for St. Michaels (35.661, -109.096). Updated through the day.
Growing snapshot for St. Michaels
Last spring frost
May 29
First fall frost
Sep 28
Growing season
121 days
Hardiness zone
6b
More local growing data for St. Michaels: nearby ZIP 86515 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Window Rock Ap, Az (5.5 mi from St. Michaels). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.