Harman US

Supai, AZ Weather & Growing Conditions

Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. South wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 53°F Mostly Clear 6 mph S 0%
Saturday 80°F Sunny 6 to 12 mph SW 0%
Saturday Night 49°F Mostly Clear 2 to 9 mph W 0%
Sunday 79°F Mostly Sunny 3 to 7 mph SW 0%
Sunday Night 51°F Mostly Cloudy 6 mph SW 1%
Monday 78°F Partly Sunny then Slight Chance Showers And Thunderstorms 5 to 13 mph S 11%
Monday Night 54°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 to 12 mph SE 43%
Tuesday 76°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 5 to 12 mph S 28%
Tuesday Night 53°F Mostly Clear 3 to 8 mph S 8%
Wednesday 78°F Sunny 3 to 9 mph S 8%
Wednesday Night 56°F Partly Cloudy 7 mph SE 3%
Thursday 78°F Slight Chance Showers And Thunderstorms 5 to 9 mph SE 20%
Thursday Night 55°F Slight Chance Showers And Thunderstorms 5 to 8 mph SE 20%
Friday 76°F Chance Showers And Thunderstorms 5 to 9 mph S 31%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Supai, AZ

Last spring frost
May 9
First fall frost
Oct 19
Growing season
161 days
Hardiness zone
7a

Explore more for Supai, AZ: full frost dates · planting calendar · Arizona frost dates

Climate data from the nearest NOAA station, Williams 35 Nnw, Az (38.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.