Justin, Texas Weather
Heat settles and the rain begins. Day 91 of spring. Read this microseason across nine climate regions →
Justin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 18Thunderstorm16%—95°75°—
- FridayJun 19Thunderstorm47%4.0″83°71°-12°
- SaturdayJun 20T-storm w/ Hail47%—90°70°+7°
- SundayJun 21Thunderstorm10%—94°76°+4°
- MondayJun 22Thunderstorm33%—96°76°+2°
- TuesdayJun 23Thunderstorm45%—90°76°-6°
- WednesdayJun 24Thunderstorm24%—81°73°-9°
AQI 39 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.4 µg/m³, PM10 at 11.3 µg/m³ — typical background levels with no transport signature.
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 10.4 µg/m³, PM10 at 11.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- light
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 10:03 AM
- Moonset
- 11:29 PM
- In sign
- ♌︎ Leo
Heat settles and the rain begins
Justin at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: March 6 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Justin
- Thu96°75°16%
- Fri83°71°47%
- Sat90°70°47%
- Sun94°76°10%
- Mon96°76°33%
- Tue90°76°45%
- Wed81°73°24%
- Thu93°70°11%
- Fri95°74°7%
- Sat95°77°9%
- Sun96°77°9%
- Mon96°76°6%
- Tue96°74°6%
- Wed96°73°13%
- Thu95°71°14%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 18, 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 — Justin
SPC has placed Justin in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Justin
- 76247