Harman US

Mountainaire, AZ Weather & Growing Conditions

Tonight
29°F
Partly Cloudy
Partly cloudy, with a low around 29. Southwest wind 2 to 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 29°F Partly Cloudy 2 to 8 mph SW 0%
Wednesday 54°F Sunny 7 to 14 mph W 0%
Wednesday Night 26°F Clear 1 to 6 mph N 0%
Thursday 54°F Sunny 3 to 7 mph E 0%
Thursday Night 27°F Areas Of Fog 0 to 3 mph SE 0%
Friday 54°F Mostly Sunny 5 to 9 mph NE 1%
Friday Night 29°F Mostly Clear 8 to 16 mph NE 1%
Saturday 54°F Sunny 8 to 16 mph NE 1%
Saturday Night 31°F Mostly Clear 6 to 12 mph NE 0%
Sunday 58°F Sunny 1 to 8 mph E 3%
Sunday Night 32°F Partly Cloudy 1 mph NE 3%
Monday 59°F Mostly Sunny 0 to 3 mph SE 11%
Monday Night 33°F Partly Cloudy 0 mph 4%
Tuesday 58°F Mostly Sunny 0 to 3 mph SW 10%

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 Nov 4, 2026.