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78664 Weather (Round Rock, TX)

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Mist at Round Rock (78664), temperature is 63°F17°C, dew point 63°F17°C, humidity 100%. Wind direction is N at 0 mphat 0 km/h with visibility of 1 mi2 km. Barometric pressure is 30.26 in1024 mb. Last update: 6:36 am.*
*Time is approximately 6:36 am Sun, Oct 25, 2026. Time will be within 15 minutes of current local time. Round Rock weather forecast data is updated every 15 minutes.

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Round Rock TX Weather - 7:36 am

Round Rock Weather Forecast

Weather forecast for: Round Rock TX
Last Update: 5:32 am CDT Oct 25, 2026
Today: Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 82. Light east southeast wind becoming southeast 5 to 10 mph in the morning.
Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 56. East southeast wind around 5 mph becoming calm after midnight.
Monday: Increasing clouds, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night: Mostly cloudy, with a low around 62. Calm wind becoming southeast around 5 mph.
Tuesday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night: Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.
Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night: Partly cloudy, with a low around 62. Southeast wind around 5 mph becoming calm after midnight.
Thursday: Partly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the morning.
Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Friday: A 30 percent chance of showers. Mostly cloudy, with a high near 79.
Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Saturday: A 20 percent chance of showers. Partly sunny, with a high near 84.

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