Texas · NWS EWX office

Round Rock, TX weather

It is 63°F and cloudy at Austin Executive Airport as of Oct 28, 3:55 AM CDT. Overnight: Mostly Cloudy, low near 63°F, 3% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 2:42 AM CDT.

Updated Oct 28, 4:15 AM CDT (snapshot)

Current conditions

Temperature

63°F

Cloudy

Wind

Calm

Humidity 85% · dew point 59°F

Pressure · visibility

30.13 inHg

Visibility 10 mi

Observed at Austin Executive Airport (KEDC), Oct 28, 3:55 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Round Rock forecast zone right now.

Around the NWS EWX forecast area

No active alerts in zones served by the EWX office near Round Rock.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. Texas has 2 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Round Rock (local time)
TimeTempForecastPrecip. chanceWind
Wed 6 AM65°FMostly Cloudy3% 0 mph
Wed 7 AM64°FMostly Cloudy13% 0 mph
Wed 8 AM64°FPatchy Fog13% 0 mph
Wed 9 AM66°FMostly Cloudy13% 0 mph
Wed 10 AM71°FChance Rain Showers25%SE 5 mph
Wed 11 AM74°FChance Rain Showers25%SE 5 mph
Wed 12 PM77°FChance Rain Showers25%SSE 5 mph
Wed 1 PM79°FChance Showers And Thunderstorms25%SSE 5 mph
Wed 2 PM80°FChance Showers And Thunderstorms25%SSE 5 mph
Wed 3 PM80°FChance Showers And Thunderstorms25%SSE 5 mph
Wed 4 PM81°FChance Showers And Thunderstorms26%SE 5 mph
Wed 5 PM80°FChance Showers And Thunderstorms26%SE 5 mph
Wed 6 PM78°FChance Showers And Thunderstorms26%SE 5 mph
Wed 7 PM76°FMostly Cloudy6%SE 5 mph
Wed 8 PM72°FMostly Cloudy6%SE 5 mph
Wed 9 PM70°FMostly Cloudy6%SSE 5 mph
Wed 10 PM69°FMostly Cloudy1%SSE 5 mph
Wed 11 PM68°FMostly Cloudy1%SSE 5 mph
Thu 12 AM69°FMostly Cloudy1%SSE 5 mph
Thu 1 AM68°FMostly Cloudy0%S 5 mph
Thu 2 AM68°FMostly Cloudy0%S 5 mph
Thu 3 AM67°FMostly Cloudy0%S 5 mph
Thu 4 AM67°FMostly Cloudy2%S 5 mph
Thu 5 AM66°FMostly Cloudy2% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Round Rock can differ.

7-day forecast

Overnight

Low 63°F

Mostly cloudy, with a low around 63. South southeast wind around 5 mph.

Wednesday

High 82°F·Low 65°F

Patchy fog between 8am and 9am, then a chance of rain showers between 10am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night: A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 65. South southeast wind 0 to 5 mph. Chance of precipitation is 30%.

Thursday

High 78°F·Low 62°F

Mostly cloudy, with a high near 78. Southeast wind 0 to 5 mph.

Thursday Night: Mostly cloudy, with a low around 62. East southeast wind 0 to 5 mph.

Friday

High 76°F·Low 61°F

A slight chance of rain showers after 1pm. Mostly cloudy, with a high near 76. East southeast wind around 5 mph. Chance of precipitation is 20%.

Friday Night: A slight chance of rain showers before 1am. Mostly cloudy, with a low around 61. East southeast wind 0 to 5 mph. Chance of precipitation is 20%.

Saturday

High 81°F·Low 61°F

A slight chance of rain showers after 7am. Mostly cloudy, with a high near 81. South wind 0 to 5 mph. Chance of precipitation is 20%.

Saturday Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 61. Northeast wind around 0 mph. Chance of precipitation is 20%.

Sunday

High 83°F·Low 63°F

Partly sunny, with a high near 83.

Sunday Night: Mostly cloudy, with a low around 63.

Monday

High 84°F·Low 61°F

A chance of rain showers after noon. Partly sunny, with a high near 84. Chance of precipitation is 30%.

Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 40%.

Tuesday

High 79°F

A chance of rain showers. Mostly sunny, with a high near 79.

Nearby cities

Larger cities in the area

Other cities in Williamson County

See every city we cover in Texas, or check all active alerts.

About this forecast

Forecast office
Round Rock is served by the National Weather Service EWX forecast office, forecast zone TXZ173, county zone TXC491.
Location used
The Census Bureau's internal point for Round Rock (30.5261, -97.6635), in Williamson County. Population: 135,359 (2024 estimate), number 28 of the 154 Texas cities on this site.
Radar
Nearest NWS radar: KGRK. View it on radar.weather.gov.

On Amazon

Weather-ready picks

As an Amazon Associate I earn from qualifying purchases.

Home & kitchen LEVOIT Air Purifier An air purifier for smoky or high-pollen days indoors. View on Amazon → Men’s fashion Hanes Fleece Hooded Sweatshirt A warm hoodie for chilly mornings. View on Amazon → Fitness & outdoors Stanley Quencher H2.0 Tumbler A big tumbler for long commutes and outdoor days. View on Amazon → Fitness & outdoors LifeStraw Personal Water Filter A personal water filter worth adding to an emergency kit. View on Amazon →

Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/30.5261,-97.6635 (forecast issued Oct 28, 2:42 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

More Texas cities