Williams, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Williams, a city in Coconino County, Arizona.
Overnight
58°F
Clear
Clear. Low around 58, with temperatures rising to around 60 overnight. Southwest wind around 10 mph, with gusts as high as 16 mph.
7-day forecast for Williams
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Clear | 10 mph SW | 0% |
| Tuesday | 88°F | Slight Chance Showers And Thunderstorms | 7 to 14 mph SW | 11% |
| Tuesday Night | 57°F | Mostly Clear | 3 to 13 mph SW | 4% |
| Wednesday | 87°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph SW | 22% |
| Wednesday Night | 59°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 to 6 mph S | 12% |
| Thursday | 86°F | Showers And Thunderstorms Likely | 2 to 6 mph W | 57% |
| Thursday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NW | 10% |
| Friday | 88°F | Chance Showers And Thunderstorms | 5 mph NW | 39% |
| Friday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NW | 10% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 38% |
| Saturday Night | 58°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph S | 15% |
| Sunday | 85°F | Showers And Thunderstorms Likely | 3 to 8 mph SW | 57% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph S | 29% |
| Monday | 81°F | Showers And Thunderstorms Likely | 3 to 8 mph SW | 56% |
Forecast source: National Weather Service (api.weather.gov) for Williams (35.247, -112.183). Updated through the day.
Growing snapshot for Williams
Last spring frost
May 22
First fall frost
Oct 5
Growing season
135 days
Hardiness zone
7a
More local growing data for Williams: nearby ZIP 86046 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Williams, Az (13.5 mi from Williams). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.