Pasadena, Texas Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Pasadena weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast——99°80°—
- MondayAug 3Showers—0.10″98°77°-1°
- TuesdayAug 4Partly Cloudy11%—101°78°+3°
- WednesdayAug 5Clear19%—99°81°-2°
- ThursdayAug 6Thunderstorm19%—98°81°-1°
- FridayAug 7Drizzle12%—98°82°0°
- SaturdayAug 8Thunderstorm14%—95°82°-3°
AQI 51 (Moderate), driven by PM2.5. AQI projected to climb to 84 over the next 6 hours. PM2.5 at 12.6 µg/m³ (AQI 58) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 3.6 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 12.6 µg/m³ (AQI 58) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- calm
- 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).
Red sky at night, sailor's delight.
- Moonrise
- 10:02 PM
- Moonset
- 10:25 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Pasadena at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: February 13 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 77502, 77503, 77504, 77505, 77506, 77507
16-Day Forecast — Pasadena
- Sun99°80°3%
- Mon98°77°3%
- Tue101°78°11%
- Wed99°81°19%
- Thu98°81°19%
- Fri98°82°12%
- Sat95°82°14%
- Sun92°80°15%
- Mon96°80°23%
- Tue97°80°15%
- Wed97°81°8%
- Thu98°81°3%
- Fri98°82°13%
- Sat99°81°3%
- Sun99°82°6%
- Mon98°80°13%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Pasadena
Right now in the garden
Peak growing season
As of August 2, 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 includes Pasadena in the general thunderstorm area today — no severe risk, but storms are possible.
- 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.
Sun & seasons in Pasadena
Pasadena sits in Harris County, where the year’s longest day runs 14h 3m of daylight and its shortest just 10h 14m — a swing of +3h 49m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Houston, the state’s largest city, lies about 17 miles to the WNW. The nearest town Pasadena tracks is Pearland, roughly 12 miles to the WSW.
Air quality in Pasadena’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 56). See the full air-quality history for Pasadena.
ZIP codes in Pasadena
- 77058
- 77059
- 77586
- 77506
- 77507
- 77504
- 77505
- 77502
- 77503
- 77258
- 77501
- 77508