Mountainaire, AZ Weather & Growing Conditions
Overnight
43°F
Clear
Clear. Low around 43, with temperatures rising to around 45 overnight. West wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Clear | 1 mph W | 0% |
| Saturday | 77°F | Sunny | 0 to 14 mph SW | 0% |
| Saturday Night | 41°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Sunday | 76°F | Mostly Sunny | 0 to 9 mph W | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 0 to 3 mph W | 1% |
| Monday | 75°F | Mostly Sunny | 0 to 12 mph W | 2% |
| Monday Night | 48°F | Mostly Clear then Slight Chance Rain Showers | 0 to 6 mph W | 24% |
| Tuesday | 74°F | Slight Chance Showers And Thunderstorms | 0 to 15 mph S | 24% |
| Tuesday Night | 46°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 6 mph E | 11% |
| Wednesday | 75°F | Slight Chance Showers And Thunderstorms | 0 to 8 mph SE | 17% |
| Wednesday Night | 48°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph NE | 11% |
| Thursday | 73°F | Chance Showers And Thunderstorms | 1 to 8 mph E | 34% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 0 to 3 mph NE | 32% |
| Friday | 73°F | Chance Showers And Thunderstorms | 0 to 7 mph S | 51% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mountainaire, AZ
Last spring frost
Jun 4
First fall frost
Sep 28
Growing season
115 days
Hardiness zone
6a
Explore more for Mountainaire, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Flagstaff Pulliam Ap, Az (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.