Heat Advisory — Houston, TX, Trinity, TX, Madison, TX, Walker, TX, San Jacinto, TX, Polk, TX, Burleson, TX, Brazos, TX, Washington, TX, Grimes, TX, Montgomery, TX, Northern Liberty, TX, Colorado, TX, Austin, TX, Waller, TX, Inland Harris, TX, Chambers, TX, Wharton, TX, Fort Bend, TX, Inland Jackson, TX, Inland Matagorda, TX, Inland Brazoria, TX, Inland Galveston, TX, Southern Liberty, TX, Coastal Harris, TX, Coastal Jackson, TX, Coastal Matagorda, TX, Coastal Brazoria, TX, Coastal Galveston, TX 7:00 PM

Houston, Texas

Last updated: 9:37 PM CDT  ·  Refresh
29°C
Feels like 34°
Clear
▲ 34°  /  ▼ 24°
Wind
9 mph SSW
Humidity
74%
Dew Point
24°
Pressure
29.86 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:37 AM
Sunset
8:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Houston is currently clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1512 J/kg) — isolated convective development possible. Sunrise: 6:37AM · Sunset: 8:16PM.

42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
3%
10 PM
29°
7%
11 PM
28°
7%
12 AM
28°
3%
1 AM
27°
3%
2 AM
27°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
26°
8%
8 AM
27°
8%
9 AM
28°
8%
10 AM
30°
17%
11 AM
31°
17%
12 PM
33°
17%
1 PM
34°
17%
2 PM
34°
18%
3 PM
35°
18%
4 PM
36°
9%
5 PM
34°
9%
6 PM
33°
3%
7 PM
32°
3%
8 PM
32°
3%
7-Day Forecast
Tonight
34° 24°
Clear.
Tue
36° 24°
Partly Cloudy.
Wed
36° 25°
Partly Cloudy.
Thu
35° 25°
Partly Cloudy.
Fri
38° 25°
Clear.
Sat
38° 26°
Clear.
Sun
38° 26°
Thunderstorm, 33% chance.
TimeTempConditionsPrecipWindHumidity
Now 29° Clear 3% 9 mph SSW 74%
10 PM 29° Clear 7% 7 mph SSW 77%
11 PM 28° Clear 7% 7 mph SSW 81%
12 AM 28° Mostly Clear 3% 7 mph SSW 84%
1 AM 27° Mostly Clear 3% 6 mph SSW 87%
2 AM 27° Mostly Clear 3% 6 mph SSW 88%
3 AM 26° Mostly Clear 3% 5 mph SSW 89%
4 AM 26° Mostly Clear 3% 5 mph SW 89%
5 AM 24° Mostly Clear 3% 5 mph SW 89%
6 AM 24° Mostly Clear 3% 5 mph SW 89%
7 AM 26° Partly Cloudy 8% 6 mph SW 84%
8 AM 27° Partly Cloudy 8% 7 mph SW 77%
9 AM 28° Mostly Clear 8% 8 mph SW 70%
10 AM 30° Mostly Clear 17% 8 mph SW 64%
11 AM 31° Mostly Clear 17% 8 mph SW 58%
12 PM 33° Partly Cloudy 17% 7 mph SSW 52%
1 PM 34° Partly Cloudy 17% 7 mph SSW 49%
2 PM 34° Partly Cloudy 18% 8 mph S 48%
3 PM 35° Partly Cloudy 18% 9 mph S 48%
4 PM 36° Partly Cloudy 9% 10 mph S 51%
5 PM 34° Partly Cloudy 9% 10 mph S 55%
6 PM 33° Partly Cloudy 3% 11 mph S 58%
7 PM 32° Partly Cloudy 3% 10 mph S 63%
8 PM 32° Partly Cloudy 3% 10 mph S 68%
15-Day Forecast
Today
7/27
Clear
3%
24°
34°
Tue
7/28
Partly Cloudy
18%
24°
36°
Wed
7/29
Partly Cloudy
18%
25°
36°
Thu
7/30
Partly Cloudy
16%
25°
35°
Fri
7/31
Clear
3%
25°
38°
Sat
8/1
Clear
8%
26°
38°
Sun
8/2
Thunderstorm
33%
26°
38°
Mon
8/3
Thunderstorm
33%
25°
37°
Tue
8/4
Thunderstorm
44%
25°
35°
Wed
8/5
Thunderstorm
68%
26°
36°
Thu
8/6
Drizzle
60%
26°
35°
Fri
8/7
Drizzle
60%
27°
34°
Sat
8/8
Drizzle
60%
27°
34°
Sun
8/9
Clear
60%
27°
34°
Mon
8/10
Drizzle
60%
27°
34°
42
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
42 AQI 7.5 µg/m³
O3
Ground-level ozone
22 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 22 42
Wed 53 Moderate 20 53
Thu 56 Moderate 19 56
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

Model sounding data is unavailable for this location.