Weather forecast for 10 daysRound Rock, AZ

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 45°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0.04"
  • Wind: 7mphWNW 292°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:28 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
Today, in Round Rock, cloudy weather is expected.
Minimal precipitation is anticipated. The maximum temperature will be a comfortable 64.4°F, while the minimum predicted temperature is a frosty 44.6°F.
The expected daytime maximum should align with the typical October high of 63.9°F.
Sunrise will be at 7:28 am and sunset at 6:37 pm; the daylight will last for 11h and 10min.

10-day overview

Daily temperatures

Warmest day: Tuesday 70°C.
Coldest day: Friday 59°C.

Chance of precipitation

Highest chance: Thursday 85%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 64°F
  • 45°F
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0.04"
  • Wind: 7mphWNW 292°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:28 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 6mphS 169°
  • Humidity: 60%
  • UV index: 5
  • Sunrise: 7:29 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphS 179°
  • Humidity: 59%
  • UV index: 5
  • Sunrise: 7:29 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 52°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 59%
  • Precipitation: 0"
  • Wind: 9mphSSE 152°
  • Humidity: 68%
  • UV index: 4
  • Sunrise: 7:30 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 48°F
Thunderstorms
Thunderstorms
  • Precip. probability: 85%
  • Precipitation: 0.39"
  • Wind: 12mphS 171°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 7:31 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 59°F
  • 39°F
AM Showers
AM Showers
  • Precip. probability: 36%
  • Precipitation: 0.51"
  • Wind: 14mphSSW 204°
  • Humidity: 65%
  • UV index: 5
  • Sunrise: 7:32 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 61°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 11%
  • Precipitation: 0.04"
  • Wind: 8mphW 259°
  • Humidity: 64%
  • UV index: 5
  • Sunrise: 7:33 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 63°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphSSE 147°
  • Humidity: 58%
  • UV index: 5
  • Sunrise: 7:34 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 63°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphS 175°
  • Humidity: 58%
  • UV index: 5
  • Sunrise: 7:35 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 61°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 13mphSSW 192°
  • Humidity: 60%
  • UV index: 5
  • Sunrise: 7:36 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
And a mix of cloud-filled, thunderstorm-prone, showery and clear weather is expected.
Rainfall is forecasted for Sunday, Thursday through Saturday.
In the upcoming days, the maximum temperature will vary between 59°F and 69.8°F, while the nightly low temperatures will show a considerable swing, as the lowest temperatures will be recorded between 39.2°F and 51.8°F.
With the highest temperature of 69.8°F, Tuesday will be the warmest day; with the highest temperature of 59°F, Friday will be the coldest day.
Updated: Oct 18, 2026 @ 06:14:40 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect mostly gray skies with limited brightness.

Today, there is a low probability of minimal rainfall in Round Rock.

Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 44.6°F.
The highest temperature will be in line with the average maximum of 63.9°F in October. The lowest temperature today will be also in line with the average low temperature.

On Sunday, in Round Rock, sunrise will be at 7:28 am and sunset at 6:37 pm (MDT).

In Round Rock, today, there will be 11h and 10min of daylight.