Weather in Round Rock, TX
Updated 2026-09-26 08:00 local time · ZIP codes 78664, 78665, 78681
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
75°23% rain78°16% rain
81°6% rain
84°7% rain87°10% rain89°10% rain90°9% rain90°9% rain91°9% rain91°9% rain91°9% rain89°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Today vs yesterday in Round Rock
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 23%).
It feels like 78°F with winds near 5 mph.
81°F, 6% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 75°F, wind 5 mph, rain chance up to 23%.
UV index is 0.
Local weather characteristics in Round Rock
Texas spans several climate zones, from humid Gulf Coast areas to dry western deserts and the High Plains. Heat, severe thunderstorms, tropical systems and winter cold outbreaks can all affect different parts of the state.
Round Rock is part of the South weather region. The forecast point is near 30.51°N latitude and 97.68°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Round Rock weather today
Overcast and 75°F in Round Rock, TX. Today's high is 91°F with a 9% rain chance. Winds are around 5 mph with gusts near 10 mph. Relative humidity is 79%, pressure is 29.99 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Round Rock
Sunrise is at 07:21 AM and sunset is at 07:22 PM. Tomorrow's forecast calls for Sunny with a high near 95°F and a low near 74°F. The maximum rain chance is 3%.