McLean, Texas Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
McLean weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast35%—84°67°—
- ThursdayJun 4Light Drizzle19%0.01″84°65°0°
- FridayJun 5Drizzle10%—86°65°+2°
- SaturdayJun 6Showers37%—84°66°-2°
- SundayJun 7Light Drizzle31%—92°63°+8°
- MondayJun 8Light Drizzle21%—98°71°+6°
- TuesdayJun 9Overcast21%—96°75°-2°
Ozone at AQI 55 — peak already passed at 1 PM under overcast skies. AQI up 7 over the last 6 hours (gradual rise). Levels should ease through evening.
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 55 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 55
- UV peak
- 5.7 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 55
PM × Wind × Precip
PM2.5 at 9.8 µg/m³, PM10 at 11.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.83
- 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).










































The higher the clouds, the finer the weather.
- Moonrise
- 4:19 AM
- Moonset
- 2:00 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
McLean at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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 — McLean
SPC has placed McLean in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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.