Harman US

Supai, AZ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Supai, a community in Coconino County, Arizona.

Overnight
69°F
Mostly Clear
Mostly clear. Low around 69, with temperatures rising to around 71 overnight. Southeast wind around 9 mph.

7-day forecast for Supai

WhenTempForecastWindPrecip
Overnight 69°F Mostly Clear 9 mph SE 0%
Tuesday 107°F Sunny 3 to 13 mph SW 0%
Tuesday Night 69°F Mostly Clear 5 to 13 mph S 0%
Wednesday 104°F Sunny 3 to 10 mph SW 1%
Wednesday Night 70°F Mostly Clear 5 to 8 mph SW 1%
Thursday 102°F Sunny then Slight Chance Showers And Thunderstorms 3 to 9 mph W 12%
Thursday Night 69°F Slight Chance Showers And Thunderstorms then Mostly Clear 3 to 8 mph SW 12%
Friday 105°F Sunny 3 to 7 mph W 4%
Friday Night 71°F Mostly Clear 3 to 7 mph SW 4%
Saturday 104°F Sunny then Slight Chance Showers And Thunderstorms 5 to 8 mph W 15%
Saturday Night 71°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 8 mph SW 15%
Sunday 101°F Chance Showers And Thunderstorms 5 to 9 mph W 27%
Sunday Night 69°F Chance Showers And Thunderstorms 8 mph S 27%
Monday 98°F Chance Showers And Thunderstorms 5 to 10 mph SW 33%

Forecast source: National Weather Service (api.weather.gov) for Supai (36.230, -112.693). Updated through the day.

Growing snapshot for Supai

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

More local growing data for Supai: nearby ZIP 86435 weather · frost dates · planting calendar · Arizona frost dates

Nearby towns & communities

All Arizona locations ›

Climate data from the nearest NOAA station, Williams 35 Nnw, Az (38.2 mi from Supai). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.