Williamson, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williamson, a community in Yavapai County, Arizona.
Tonight
38°F
Partly Cloudy
Partly cloudy, with a low around 38. South wind around 6 mph.
7-day forecast for Williamson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Partly Cloudy | 6 mph S | 0% |
| Wednesday | 63°F | Sunny | 3 to 8 mph W | 0% |
| Wednesday Night | 34°F | Clear | 6 mph SW | 0% |
| Thursday | 63°F | Sunny | 3 mph N | 0% |
| Thursday Night | 35°F | Partly Cloudy | 5 mph S | 0% |
| Friday | 64°F | Sunny | 6 mph NE | 0% |
| Friday Night | 35°F | Mostly Clear | 5 to 8 mph NE | 0% |
| Saturday | 65°F | Sunny | 3 to 8 mph NE | 0% |
| Saturday Night | 36°F | Clear | 6 mph NE | 0% |
| Sunday | 67°F | Sunny | 0 to 5 mph NE | 3% |
| Sunday Night | 40°F | Partly Cloudy | 2 mph E | 3% |
| Monday | 67°F | Mostly Sunny | 2 mph NW | 6% |
| Monday Night | 41°F | Partly Cloudy | 0 mph | 4% |
| Tuesday | 66°F | Mostly Sunny | 2 mph NW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Williamson (34.708, -112.534). Updated through the day.
Growing snapshot for Williamson
Last spring frost
Apr 27
First fall frost
Oct 24
Growing season
178 days
Hardiness zone
8a
More local growing data for Williamson: nearby ZIP 86323 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
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Lake Montezuma
Mayer
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Prescott
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Verde Village
Village of Oak Creek (Big Park)
Wilhoit
Yarnell
Climate data from the nearest NOAA station, Chino Valley, Az (3 mi from Williamson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.