Round Rock, Texas Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Round Rock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——97°77°—
- SundayJul 5Overcast——98°73°+1°
- MondayJul 6Overcast——101°76°+3°
- TuesdayJul 7Showers—0.37″98°73°-3°
- WednesdayJul 8Light Showers—0.20″101°73°+3°
- ThursdayJul 9Overcast——101°76°0°
- FridayJul 10Mostly Clear——102°75°+1°
AQI 30 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 31 now. With UV 6.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 31 now. With UV 6.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 31
- UV peak
- 6.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 5.4 µg/m³, PM10 at 7.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:14 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Round Rock at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: February 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 78664, 78665, 78681
16-Day Forecast — Round Rock
- Sat97°77°5%
- Sun98°73°2%
- Mon101°76°9%
- Tue98°73°8%
- Wed101°73°8%
- Thu101°76°1%
- Fri102°75°4%
- Sat103°76°12%
- Sun102°77°8%
- Mon104°78°9%
- Tue106°78°5%
- Wed108°81°13%
- Thu103°80°16%
- Fri91°75°19%
- Sat92°75°22%
- Sun97°70°23%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Round Rock
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Round Rock
SPC includes Round Rock in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Round Rock
- 78681
- 78664
- 78665
- 78682
- 78683