Round Rock, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Round Rock, a community in Apache County, Arizona.
This Afternoon
80°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny. High near 80, with temperatures falling to around 78 in the afternoon. Southwest wind around 13 mph, with gusts as high as 18 mph.
7-day forecast for Round Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Slight Chance Showers And Thunderstorms | 13 mph SW | 12% |
| Tonight | 54°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 10 mph S | 16% |
| Saturday | 81°F | Sunny | 5 to 8 mph S | 5% |
| Saturday Night | 50°F | Mostly Clear | 3 to 7 mph S | 2% |
| Sunday | 78°F | Sunny | 5 mph SW | 0% |
| Sunday Night | 50°F | Partly Cloudy | 6 mph E | 0% |
| Monday | 80°F | Partly Sunny | 6 mph S | 0% |
| Monday Night | 52°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 to 6 mph SE | 11% |
| Tuesday | 77°F | Showers And Thunderstorms Likely | 2 to 8 mph S | 58% |
| Tuesday Night | 51°F | Chance Showers And Thunderstorms | 2 to 9 mph SE | 43% |
| Wednesday | 75°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 6 mph E | 22% |
| Wednesday Night | 51°F | Mostly Cloudy | 1 to 6 mph E | 14% |
| Thursday | 75°F | Chance Rain Showers | 1 to 6 mph NE | 34% |
| Thursday Night | 52°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 32% |
Forecast source: National Weather Service (api.weather.gov) for Round Rock (36.504, -109.463). Updated through the day.
Growing snapshot for Round Rock
Last spring frost
May 3
First fall frost
Oct 17
Growing season
163 days
Hardiness zone
7a
More local growing data for Round Rock: nearby ZIP 86547 weather · frost dates · planting calendar · Arizona frost dates
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Climate data from the nearest NOAA station, Lukachukai, Az (16.4 mi from Round Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.