Weather in Round Rock, AZ
Updated 2026-09-26 11:30 local time · ZIP codes 86547
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
71°2% rain
73°5% rain74°1% rain
75°2% rain
76°9% rain77°9% rain77°5% rain77°7% rain76°1% rain
75°3% rain
74°6% rain74°5% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 66°F with winds near 8 mph.
74°F, 1% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 71°F, wind 8 mph, rain chance up to 9%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Round Rock
Arizona weather is strongly shaped by elevation: desert valleys are very hot and dry, while higher terrain is cooler and can receive winter snow. Summer monsoon storms can develop quickly.
Round Rock is part of the West weather region. The forecast point is near 36.51°N latitude and 109.47°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Round Rock weather today
Sunny and 71°F in Round Rock, AZ. Today's high is 77°F with a 2% rain chance. Winds are around 8 mph with gusts near 17 mph. Relative humidity is 41%, pressure is 30.01 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Round Rock
Sunrise is at 07:09 AM and sunset is at 07:09 PM. Tomorrow's forecast calls for Overcast with a high near 77°F and a low near 66°F. The maximum rain chance is 8%.