Round Rock, Texas Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Round Rock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——95°77°—
- SundayJul 5Overcast——97°76°+2°
- MondayJul 6Heavy Showers25%0.65″92°74°-5°
- TuesdayJul 7Light Showers16%—98°72°+6°
- WednesdayJul 8Light Drizzle——100°73°+2°
- ThursdayJul 9Overcast——102°77°+2°
- FridayJul 10Partly Cloudy——102°74°0°
AQI 33 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.81 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.81 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:44 PM
- Moonset
- 11:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Round Rock at a glance
- Today vs. normal: 83°F — typical for the season
- 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
- Sat95°77°5%
- Sun97°76°2%
- Mon92°74°25%
- Tue98°72°16%
- Wed100°73°3%
- Thu102°77°0%
- Fri102°74°5%
- Sat97°75°14%
- Sun92°73°17%
- Mon80°72°16%
- Tue89°73°11%
- Wed95°73°7%
- Thu96°75°10%
- Fri98°75°11%
- Sat99°74°13%
- Sun100°75°18%
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 5, 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