Round Rock, Texas Weather Forecast
Today in Round Rock: clear skies with a high near 85°F and a low around 58°F. Rain chance 0%. Rain chances peak at 25% on Thursday. Highs run 78 to 85°F through Thursday.
Forecast updated 3:05 AM CDT, Oct 23
Active Weather Alerts
7-Day Forecast for Round Rock
Today 10/23
85°58°
Sat 10/24
85°58°
Sun 10/25
81°60°
Mon 10/26
80°56°
Tue 10/27
11%
78°61°
Wed 10/28
81°58°
Thu 10/29
25%
80°60°
Next 24 Hours
| Now | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky |  |  | | | | | | | | | | | | | | | | | | | | | | |
| Temp | 70° | 68° | 66° | 65° | 63° | 62° | 61° | 59° | 59° | 59° | 58° | 59° | 64° | 70° | 75° | 79° | 81° | 83° | 85° | 85° | 84° | 82° | 79° | 77° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | ESE 4 | SE 5 | SSE 4 | S 4 | S 3 | S 3 | SSW 2 | SSW 2 | SSW 2 | S 2 | S 1 | ESE 2 | E 3 | SE 4 | SE 7 | SSE 9 | SSE 9 | SSE 10 | SE 10 | SE 10 | SE 9 | SE 7 | ESE 6 | ESE 6 |
Growing Conditions
Growing degree days
5,526
since Apr 1, base 50°F
Rain, last 30 days
4.12 in
model analysis
Rain, year to date
33.29 in
since Jan 1
2-inch soil temperature
72°F
yesterday, daily average
Reference ET, last 7 days
1.08 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Round Rock →
Current Stats & Observations
NWS Forecast
About Round Rock Weather
Round Rock sits at about 745 feet above sea level in Williamson County, Texas. About 133,372 people live in the Round Rock area. Official forecasts and warnings for the area come from the National Weather Service EWX office, and the nearest NEXRAD radar site is KGRK. The city is in USDA plant hardiness zone 9a, where the coldest winter night typically falls between 20 to 25°F. Over the past ten years the last spring freeze has come around Feb 20 and the first fall freeze around Dec 15.
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