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Williamson, AZ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Williamson, a community in Yavapai County, Arizona.

This Afternoon
84°F
Sunny
Sunny. High near 84, with temperatures falling to around 82 in the afternoon. Southwest wind around 17 mph, with gusts as high as 26 mph.

7-day forecast for Williamson

WhenTempForecastWindPrecip
This Afternoon 84°F Sunny 17 mph SW 3%
Tonight 56°F Mostly Clear 2 to 13 mph S 0%
Saturday 85°F Sunny 3 to 15 mph SW 0%
Saturday Night 55°F Mostly Clear 3 to 10 mph S 0%
Sunday 85°F Mostly Sunny 2 to 13 mph S 0%
Sunday Night 59°F Mostly Cloudy 5 to 12 mph SE 0%
Monday 83°F Mostly Sunny 5 to 18 mph SE 5%
Monday Night 57°F Slight Chance Showers And Thunderstorms 5 to 9 mph SE 19%
Tuesday 83°F Sunny 5 to 12 mph SE 11%
Tuesday Night 57°F Mostly Clear 2 to 8 mph SE 7%
Wednesday 85°F Slight Chance Showers And Thunderstorms 6 mph SE 16%
Wednesday Night 59°F Slight Chance Showers And Thunderstorms then Partly Cloudy 6 mph SE 16%
Thursday 83°F Chance Showers And Thunderstorms 6 mph E 28%
Thursday Night 60°F Chance Showers And Thunderstorms 6 mph SE 30%

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

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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 Sep 19, 2026.