Whiteriver, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whiteriver, a community in Navajo County, Arizona.
Tonight
56°F
Mostly Clear
Mostly clear, with a low around 56. Southeast wind around 7 mph.
7-day forecast for Whiteriver
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Clear | 7 mph SE | 2% |
| Saturday | 83°F | Sunny | 5 to 12 mph S | 1% |
| Saturday Night | 54°F | Mostly Clear | 2 to 7 mph E | 0% |
| Sunday | 82°F | Sunny | 5 to 9 mph S | 0% |
| Sunday Night | 55°F | Mostly Cloudy | 2 to 8 mph SE | 0% |
| Monday | 82°F | Partly Sunny | 5 to 10 mph SE | 1% |
| Monday Night | 56°F | Partly Cloudy then Slight Chance Rain Showers | 2 to 8 mph SE | 21% |
| Tuesday | 80°F | Chance Showers And Thunderstorms | 3 to 10 mph SE | 53% |
| Tuesday Night | 56°F | Chance Showers And Thunderstorms | 5 to 13 mph SE | 38% |
| Wednesday | 79°F | Showers And Thunderstorms Likely | 2 to 6 mph SE | 57% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 2 to 8 mph E | 46% |
| Thursday | 78°F | Showers And Thunderstorms Likely | 3 mph SE | 65% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 50% |
| Friday | 78°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 53% |
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 Sep 19, 2026.