Whiteriver, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whiteriver, a community in Navajo County, Arizona.
Overnight
37°F
Partly Cloudy
Partly cloudy, with a low around 37. Southeast wind around 7 mph.
7-day forecast for Whiteriver
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Partly Cloudy | 7 mph SE | 0% |
| Wednesday | 63°F | Sunny | 7 to 13 mph S | 0% |
| Wednesday Night | 34°F | Clear | 2 to 7 mph E | 0% |
| Thursday | 64°F | Sunny | 6 mph S | 0% |
| Thursday Night | 38°F | Partly Cloudy | 6 mph SE | 0% |
| Friday | 64°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph S | 10% |
| Friday Night | 38°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 to 8 mph NE | 10% |
| Saturday | 65°F | Sunny | 3 to 7 mph N | 3% |
| Saturday Night | 35°F | Mostly Clear | 2 to 7 mph NE | 0% |
| Sunday | 67°F | Sunny | 3 mph S | 0% |
| Sunday Night | 36°F | Partly Cloudy | 3 mph E | 1% |
| Monday | 67°F | Mostly Sunny | 3 mph SE | 2% |
| Monday Night | 37°F | Partly Cloudy | 2 mph SE | 4% |
| Tuesday | 64°F | Mostly Sunny | 3 mph S | 8% |
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 Nov 4, 2026.