Dewey-Humboldt, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dewey-Humboldt, a town in Yavapai County, Arizona.
Today
64°F
Sunny
Sunny. High near 64, with temperatures falling to around 60 in the afternoon. Southwest wind 3 to 8 mph.
7-day forecast for Dewey-Humboldt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Sunny | 3 to 8 mph SW | 0% |
| Tonight | 38°F | Clear | 5 mph NW | 0% |
| Thursday | 64°F | Mostly Sunny | 5 mph NE | 0% |
| Thursday Night | 39°F | Mostly Cloudy | 5 mph W | 0% |
| Friday | 65°F | Mostly Sunny | 6 mph N | 1% |
| Friday Night | 41°F | Clear | 6 to 12 mph N | 0% |
| Saturday | 64°F | Sunny | 3 to 12 mph NE | 0% |
| Saturday Night | 41°F | Clear | 8 mph NE | 0% |
| Sunday | 66°F | Sunny | 0 to 8 mph NE | 0% |
| Sunday Night | 43°F | Partly Cloudy | 1 to 5 mph NE | 0% |
| Monday | 66°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Monday Night | 44°F | Partly Cloudy | 2 mph NE | 2% |
| Tuesday | 65°F | Mostly Sunny | 2 mph SE | 3% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Dewey-Humboldt (34.517, -112.250). Updated through the day.
Growing snapshot for Dewey-Humboldt
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
8a
More local growing data for Dewey-Humboldt: nearby ZIP 86329 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Prescott, Az (10.6 mi from Dewey-Humboldt). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.