NimbocastRound Rock, TX Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Round Rock, Williamson County, Texas.
Updated Jul 29, 2026, 2:57 PM local time · Radar refreshes every 5 minutes
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Round Rock
95°F
Wind 9 mph
Humidity 44%
Cloud cover 16%
UV index 8
Alerts 0
Active alerts
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No active National Weather Service alerts for Round Rock, TX.
Round Rock weather radar
Light
Heavy
Next 24 hours
Now
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94°F
3 PM
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95°F
4 PM
🌤️
96°F
5 PM
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97°F
6 PM
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97°F
7 PM
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96°F
8 PM
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94°F
9 PM
⛅
91°F
10 PM
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90°F
11 PM
🌤️
86°F
12 AM
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83°F
1 AM
⛅
81°F
2 AM
☀️
80°F
3 AM
☀️
79°F
4 AM
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78°F
5 AM
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77°F
6 AM
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77°F
7 AM
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77°F
8 AM
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78°F
1%
9 AM
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81°F
1%
10 AM
⛅
84°F
1%
11 AM
☀️
87°F
1%
12 PM
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90°F
1%
1 PM
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94°F
1%
7-day forecast
Today
Jul 29
☁️
97°F
76°F
Thu
Jul 30
☁️
99°F
77°F
2%
Fri
Jul 31
☁️
103°F
77°F
1%
Sat
Aug 1
🌦️
105°F
77°F
16%
Sun
Aug 2
🌦️
98°F
74°F
19%
Mon
Aug 3
☀️
101°F
75°F
3%
Tue
Aug 4
☁️
103°F
78°F
3%
Weather near Round Rock
4 mi
Brushy Creek, TX6 mi
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Austin, TX17 mi
Taylor, TX
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.