Round Rock, TX Weather Forecast
Right now it is 76°F and mostly cloudy in Round Rock (as of Tue, 10:55 AM CST). Today: high near 76°F. Tomorrow: sunny, high near 74°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions

Measured at Austin Executive Airport (10 mi from the city center).
Weather tomorrow in Round Rock
Sunny, with a high near 74. North northeast wind 0 to 5 mph.
Mostly clear, with a low around 55. South southeast wind 0 to 5 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Round Rock right now.
7-day forecast
A slight chance of rain showers before noon. Sunny, with a high near 76. North northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. Tonight: Clear, with a low around 54. North northwest wind around 5 mph.
Sunny, with a high near 74. North northeast wind 0 to 5 mph. Wednesday Night: Mostly clear, with a low around 55. South southeast wind 0 to 5 mph.
A slight chance of rain showers after noon. Mostly sunny, with a high near 79. South southwest wind 0 to 5 mph. Chance of precipitation is 20%. Thursday Night: Mostly clear, with a low around 56. Northwest wind 0 to 10 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 72. North wind 5 to 10 mph, with gusts as high as 20 mph. Friday Night: Partly cloudy, with a low around 52. North wind 0 to 5 mph.
A slight chance of rain showers. Partly sunny, with a high near 68. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. Saturday Night: Partly cloudy, with a low around 50.
Mostly sunny, with a high near 68. Sunday Night: Mostly clear, with a low around 47.
Sunny, with a high near 71. Monday Night: Mostly clear, with a low around 48.
Forecast issued by NWS forecast office EWX · updated Nov 3, 10:33 AM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Round Rock population: 141,282 (U.S. Census Bureau, July 1, 2025 estimate). More Texas cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Round Rock?
Wednesday, November 4: Sunny, high near 74°F; night: mostly clear, low around 55°F.
Where does the Round Rock forecast come from?
From the National Weather Service forecast office EWX, which writes the official forecast for Round Rock's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Round Rock weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Round Rock (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.