National Weather Service forecast for Round Rock’s own grid point, not a regional average.
This Afternoon99°F
Mostly Sunny
Wind 5 mph · 8% chance of precipitation
Mostly sunny, with a high near 99. Heat index values as high as 106. East wind around 5 mph.
Tonight78°F
Mostly Clear
Wind 0 to 5 mph · 9% chance of precipitation
Mostly clear, with a low around 78. Heat index values as high as 103. South southeast wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
Wednesday100°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
Wind 0 to 5 mph · 22% chance of precipitation
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 100. Heat index values as high as 109. West southwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night78°F
Slight Chance Showers And Thunderstorms
Wind 5 to 10 mph · 21% chance of precipitation
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Heat index values as high as 104. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday99°F
Slight Chance Showers And Thunderstorms then Mostly Sunny
Wind 5 to 10 mph · 20% chance of precipitation
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 99. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night77°F
Partly Cloudy
Wind 5 to 10 mph · 14% chance of precipitation
Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday98°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
Wind 5 mph · 20% chance of precipitation
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. South southeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night77°F
Slight Chance Showers And Thunderstorms then Mostly Clear
Wind 5 mph · 20% chance of precipitation
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. South southeast wind around 5 mph. Chance of precipitation is 20%.
Issued by NWS office EWX. For warnings see active alerts.
Explore Round Rock News
Hyperlocal news for Round Rock, Texas — a community in the Austin metro, home to Round Rock High School and a vibrant local community.
Round Rock at a glance
Round Rock is part of Williamson County in Texas. Round Rock News covers civic life, schools, public safety, neighborhoods, business news, weather, and emergency alerts from a hyperlocal lens that bigger outlets miss. We publish daily and update our weather and alert data in near real-time.