Round Rock, AZ Weather Forecast

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Round Rock, AZ Weather Forecast

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Round Rock AZ weather  - Mostly Cloudy - 59°F
Mostly Cloudy
59°F
Updated 12:48 pm
Feels Like 49°F
Humidity 51%
Wind SW 24 mph
Barometer  30.1 in
Dew Point 41°F
Round Rock AZ weather  - Mostly Cloudy - 15°C
Mostly Cloudy
15°C
Updated 12:48 pm
Feels Like 9°C
Humidity 51%
Wind SW 39 km/h
Barometer  101.9 kPa
Dew Point 5°C

Round Rock Weather Forecast

TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Round Rock, AZ Weather - Today Chance Of T-Storm Round Rock, AZ Weather - Tonight Chance Of T-Storm Round Rock, AZ Weather - Tuesday Chance Of T-Storm Round Rock, AZ Weather - Tuesday Night Chance Of T-Storm Round Rock, AZ Weather - Wednesday Chance Of Showers Round Rock, AZ Weather - Wednesday Night Mostly Clear Round Rock, AZ Weather - Thursday Mostly Clear Round Rock, AZ Weather - Friday Mostly Clear Round Rock, AZ Weather - Friday Night Mostly Clear Round Rock, AZ Weather - Saturday Clearing Round Rock, AZ Weather - Saturday Night Partly Cloudy Round Rock, AZ Weather - Sunday Partly Cloudy
Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clearing Partly Cloudy Partly Cloudy
Hi: 67°FHi: 19°C
Lo: 48°FLo: 9°C Hi: 62°FHi: 17°C
Lo: 41°FLo: 5°C Hi: 55°FHi: 13°C
Hi: 58°FHi: 14°C
Lo: 39°FLo: 4°C
Hi: 58°FHi: 14°C
Lo: 39°FLo: 4°C
Hi: 63°FHi: 17°C
Lo: 40°FLo: 4°C
Hi: 63°FHi: 17°C
Lo: 40°FLo: 4°C
Hi: 61°FHi: 16°C
Lo: 41°FLo: 5°C Hi: 63°FHi: 17°C
POP: 20% POP: 50% POP: 70% POP: 60% POP: 30% POP: 10%
POP = Probability of Precipitation.
Weather Outlook Updated: 1048 AM MDT Mon Oct 12 2026 Round Rock, AZ Weather - WeatherWorld.com

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Round Rock Forecast Discussion

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Issued: 1014 AM MST Mon Oct 12 2026

Discussion

...The remnants of Tropical Storm Rachel continue to lift north, while a strong upper level low digs down through the Great Basin. Showers and thunderstorms continue to move northward through central Arizona overnight, with additional storms expected through this afternoon.

Model soundings show PWATs dropping off quite a bit from previous days but still remaining near or above the 75 percentile. Heavy rain will still be a threat but with dry air pushing in aloft and moisture being large...