Weather in Round Rock, TX
Updated 2026-08-11 10:15 local time · ZIP codes 78664, 78665, 78681
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
87°6% rain
91°4% rain94°2% rain96°2% rain97°2% rain99°2% rain99°1% rain99°1% rain100°1% rain
96°6% rain94°1% rain
90°2% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 6%).
It feels like 95°F with winds near 14 mph.
87°F, 6% rain chance and 14 mph wind.
Visibility is around 6 mi; gusts may reach 28 mph.
Current temperature is 87°F, wind 14 mph, rain chance up to 6%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Round Rock weather today
Partly Cloudy and 87°F in Round Rock, TX. Today's high is 100°F with a 6% rain chance. Winds are around 14 mph with gusts near 16 mph. Relative humidity is 65%, pressure is 30.07 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Round Rock
Sunrise is at 06:55 AM and sunset is at 08:16 PM. Tomorrow's forecast calls for Sunny with a high near 103°F and a low near 77°F. The maximum rain chance is 3%.