St. Michaels, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Michaels, a community in Mckinley County, Arizona.
This Afternoon
74°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny. High near 74, with temperatures falling to around 71 in the afternoon. Southwest wind 12 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
7-day forecast for St. Michaels
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Chance Showers And Thunderstorms | 12 to 15 mph SW | 26% |
| Tonight | 48°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 8 mph SW | 15% |
| Saturday | 75°F | Sunny | 1 to 16 mph SW | 7% |
| Saturday Night | 42°F | Mostly Clear | 1 to 8 mph W | 1% |
| Sunday | 75°F | Sunny | 1 to 13 mph W | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 1 to 7 mph NW | 0% |
| Monday | 75°F | Partly Sunny | 0 to 12 mph SW | 1% |
| Monday Night | 49°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph SE | 24% |
| Tuesday | 73°F | Showers And Thunderstorms Likely | 0 to 12 mph SE | 70% |
| Tuesday Night | 47°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 60% |
| Wednesday | 71°F | Chance Showers And Thunderstorms | 0 to 6 mph E | 54% |
| Wednesday Night | 47°F | Chance Showers And Thunderstorms | 0 to 6 mph E | 31% |
| Thursday | 70°F | Chance Showers And Thunderstorms | 0 to 7 mph E | 50% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 1 to 7 mph SE | 42% |
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 Sep 18, 2026.