Hourly Weather | Today › Tuesday, November 3, 2026
San Antonio, Texas
1 AM
Cloudy Weather
73°
Feels Like 79°
43
Humidity: 88%
UV Index: 0
Wind: 7 mph
2 AM
Cloudy Weather
75°
Feels Like 79°
47
Humidity: 89%
UV Index: 0
Wind: 7 mph
3 AM
Stormy Weather
73°
Feels Like 73°
51
Humidity: 89%
UV Index: 0
Wind: 7 mph
4 AM
Cloudy Weather
73°
Feels Like 77°
22
Humidity: 90%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Weather
73°
Feels Like 75°
17
Humidity: 89%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
72°
Feels Like 73°
22
Humidity: 89%
UV Index: 0
Wind: 6 mph
7 AM
Sunny with a Chance of Thunderstorms
72°
Feels Like 72°
53
Humidity: 87%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
72°
Feels Like 75°
49
Humidity: 87%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
73°
Feels Like 77°
45
Humidity: 80%
UV Index: 2
Wind: 6 mph
10 AM
Cloudy Weather
73°
Feels Like 79°
49
Humidity: 72%
UV Index: 3
Wind: 7 mph
11 AM
Sunny with a Chance of Thunderstorms
73°
Feels Like 73°
54
Humidity: 70%
UV Index: 4
Wind: 8 mph
12 PM
Cloudy Weather
77°
Feels Like 79°
49
Humidity: 57%
UV Index: 4
Wind: 9 mph
1 PM
Cloudy Weather
79°
Feels Like 81°
20
Humidity: 50%
UV Index: 4
Wind: 9 mph
2 PM
Cloudy Weather
81°
Feels Like 82°
20
Humidity: 43%
UV Index: 3
Wind: 9 mph
3 PM
Cloudy Weather
82°
Feels Like 82°
20
Humidity: 38%
UV Index: 2
Wind: 9 mph
4 PM
Cloudy Weather
82°
Feels Like 81°
20
Humidity: 40%
UV Index: 1
Wind: 8 mph
5 PM
Cloudy Weather
81°
Feels Like 79°
20
Humidity: 43%
UV Index: 0
Wind: 7 mph
6 PM
Cloudy Night
77°
Feels Like 75°
13
Humidity: 48%
UV Index: 0
Wind: 7 mph
7 PM
Night
73°
Feels Like 72°
0
Humidity: 53%
UV Index: 0
Wind: 7 mph
8 PM
Night
72°
Feels Like 70°
0
Humidity: 58%
UV Index: 0
Wind: 6 mph
9 PM
Night
68°
Feels Like 66°
0
Humidity: 62%
UV Index: 0
Wind: 6 mph
10 PM
Night
68°
Feels Like 64°
0
Humidity: 63%
UV Index: 0
Wind: 6 mph
11 PM
Night
64°
Feels Like 63°
0
Humidity: 67%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 4.2 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 AM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 4.32 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 AM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.15 µg/m³
  • PM10: 4.51 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 AM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.24 µg/m³
  • PM10: 4.53 µg/m³
  • O3: 0.020 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 AM
17 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.28 µg/m³
  • PM10: 4.47 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM
16 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.28 µg/m³
  • PM10: 4.37 µg/m³
  • O3: 0.017 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM
14 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 3.98 µg/m³
  • O3: 0.016 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
13 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.09 µg/m³
  • PM10: 3.57 µg/m³
  • O3: 0.014 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
13 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 3.3 µg/m³
  • O3: 0.014 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
15 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.02 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.016 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
17 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.01 µg/m³
  • PM10: 3.2 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.06 µg/m³
  • PM10: 3.31 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 3.04 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 2.98 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.01 µg/m³
  • PM10: 3 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 3.04 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.14 µg/m³
  • PM10: 3.06 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 3.09 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.26 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.33 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 3.36 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.48 µg/m³
  • PM10: 3.52 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.