Pasadena, Texas Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Pasadena weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Showers39%0.18″85°73°—
- ThursdayJun 4Heavy Showers39%2.7″81°73°-4°
- FridayJun 5Heavy Showers49%1.1″87°74°+6°
- SaturdayJun 6Light Drizzle32%—92°76°+5°
- SundayJun 7Light Showers23%—89°78°-3°
- MondayJun 8Overcast16%—92°79°+3°
- TuesdayJun 9Overcast13%—90°78°-2°
PM scrubbed by 2 hours of recent rain — PM2.5 down to 11.5 µg/m³, PM10 to 15.7 µg/m³. AQI flat over the last 6 hours (within ±3 points).
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 39. Overcast through the UV peak window (cloud cover ~94%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 6.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 17
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 11.5 µg/m³, PM10 to 15.7 µg/m³.
- PM2.5/PM10
- 0.73
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 3:39 AM
- Moonset
- 1:53 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Pasadena at a glance
- Today vs. normal: 84°F — typical for the season
- Last frost: February 13 (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 — Pasadena
SPC has placed Pasadena in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- 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.