Whiteriver, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whiteriver, a community in Navajo County, Arizona.
Today
95°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11am. Mostly sunny. High near 95, with temperatures falling to around 87 in the afternoon. Northwest wind 3 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
7-day forecast for Whiteriver
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Chance Showers And Thunderstorms | 3 to 13 mph NW | 35% |
| Tonight | 62°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 9 mph E | 14% |
| Wednesday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 52% |
| Wednesday Night | 62°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SE | 26% |
| Thursday | 94°F | Showers And Thunderstorms Likely | 3 mph NW | 60% |
| Thursday Night | 62°F | Mostly Cloudy | 5 mph S | 8% |
| Friday | 94°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 50% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms | 5 mph SE | 15% |
| Saturday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 51% |
| Saturday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SE | 15% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 52% |
| Sunday Night | 61°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph E | 22% |
| Monday | 90°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 60% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 0 to 3 mph E | 37% |
Forecast source: National Weather Service (api.weather.gov) for Whiteriver (33.840, -109.961). Updated through the day.
Growing snapshot for Whiteriver
Last spring frost
May 16
First fall frost
Oct 13
Growing season
149 days
Hardiness zone
7b
More local growing data for Whiteriver: nearby ZIP 85926 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Black Rvr Pumps, Az (24 mi from Whiteriver). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.