Hourly Weather | Today | Tuesday, August 12, 2025
Extreme Heat Warning (Issued when dangerously high temperatures are expected.)
Hesperia, California
8 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
75°
Feels Like 77°
0
Humidity: 34%
Wind: 5 mph
UV Index: 2
9 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 84°
0
Humidity: 27%
Wind: 6 mph
UV Index: 3
10 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
90°
Feels Like 93°
0
Humidity: 21%
Wind: 6 mph
UV Index: 5
11 AM
Sunny WeatherSunny weather, clear skies and sunny weather.
93°
Feels Like 99°
0
Humidity: 18%
Wind: 7 mph
UV Index: 7
12 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
97°
Feels Like 102°
0
Humidity: 16%
Wind: 8 mph
UV Index: 10
1 PM
Sunny WeatherSunny weather, clear skies and sunny weather.
99°
Feels Like 102°
0
Humidity: 16%
Wind: 10 mph
UV Index: 11
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
99°
Feels Like 102°
0
Humidity: 15%
Wind: 12 mph
UV Index: 10
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
99°
Feels Like 100°
0
Humidity: 16%
Wind: 14 mph
UV Index: 7
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
97°
Feels Like 97°
0
Humidity: 17%
Wind: 15 mph
UV Index: 5
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
95°
Feels Like 93°
0
Humidity: 19%
Wind: 15 mph
UV Index: 3
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
91°
Feels Like 90°
0
Humidity: 22%
Wind: 14 mph
UV Index: 2
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 84°
0
Humidity: 28%
Wind: 13 mph
UV Index: 1
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
82°
Feels Like 81°
0
Humidity: 33%
Wind: 12 mph
UV Index: 0
9 PM
NightNighttime, with dark skies and stars or a moon visible.
81°
Feels Like 77°
0
Humidity: 37%
Wind: 10 mph
UV Index: 0
10 PM
NightNighttime, with dark skies and stars or a moon visible.
79°
Feels Like 73°
0
Humidity: 40%
Wind: 9 mph
UV Index: 0
11 PM
NightNighttime, with dark skies and stars or a moon visible.
75°
Feels Like 72°
0
Humidity: 45%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
71 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 25.52 µg/m³
  • PM10: 28.92 µg/m³
  • O₃: 48.85 ppb
  • NO₂: 7.15 ppb
  • SO₂: 2.78 ppb
  • CO: 309.15 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

9 AM
71 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 18.08 µg/m³
  • PM10: 22.26 µg/m³
  • O₃: 61.19 ppb
  • NO₂: 5.50 ppb
  • SO₂: 2.43 ppb
  • CO: 262.62 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

10 AM
71 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.28 µg/m³
  • PM10: 18.75 µg/m³
  • O₃: 73.53 ppb
  • NO₂: 3.85 ppb
  • SO₂: 2.08 ppb
  • CO: 216.08 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

11 AM
70 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.29 µg/m³
  • PM10: 16.98 µg/m³
  • O₃: 85.86 ppb
  • NO₂: 2.20 ppb
  • SO₂: 1.73 ppb
  • CO: 169.55 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

12 PM
73 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 14.88 µg/m³
  • PM10: 17.03 µg/m³
  • O₃: 91.99 ppb
  • NO₂: 1.96 ppb
  • SO₂: 1.75 ppb
  • CO: 170.99 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

1 PM
96 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 15.65 µg/m³
  • PM10: 17.53 µg/m³
  • O₃: 98.12 ppb
  • NO₂: 1.73 ppb
  • SO₂: 1.76 ppb
  • CO: 172.42 ppb

Health Recommendations:

Air quality is acceptable. Individuals with unusual sensitivity may be at risk from certain pollutants.

2 PM
119 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 16.38 µg/m³
  • PM10: 18.22 µg/m³
  • O₃: 104.25 ppb
  • NO₂: 1.50 ppb
  • SO₂: 1.78 ppb
  • CO: 173.86 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

3 PM
145 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 17.24 µg/m³
  • PM10: 19.12 µg/m³
  • O₃: 106.49 ppb
  • NO₂: 1.61 ppb
  • SO₂: 1.88 ppb
  • CO: 175.73 ppb

Health Recommendations:

Air quality may be unhealthy for sensitive groups. The general public is not likely to be affected.

4 PM
164 AQI
Unhealthy air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 17.88 µg/m³
  • PM10: 19.88 µg/m³
  • O₃: 108.74 ppb
  • NO₂: 1.72 ppb
  • SO₂: 1.99 ppb
  • CO: 177.61 ppb

Health Recommendations:

Air quality may be unhealthy for everyone. All individuals may begin to experience adverse health effects.

5 PM
180 AQI
Unhealthy air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 18.63 µg/m³
  • PM10: 20.79 µg/m³
  • O₃: 110.98 ppb
  • NO₂: 1.83 ppb
  • SO₂: 2.09 ppb
  • CO: 179.49 ppb

Health Recommendations:

Air quality may be unhealthy for everyone. All individuals may begin to experience adverse health effects.

6 PM
190 AQI
Unhealthy air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 19.78 µg/m³
  • PM10: 22.12 µg/m³
  • O₃: 105.44 ppb
  • NO₂: 2.99 ppb
  • SO₂: 2.40 ppb
  • CO: 188.91 ppb

Health Recommendations:

Air quality may be unhealthy for everyone. All individuals may begin to experience adverse health effects.

7 PM
195 AQI
Unhealthy air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 21.05 µg/m³
  • PM10: 23.66 µg/m³
  • O₃: 99.90 ppb
  • NO₂: 4.14 ppb
  • SO₂: 2.70 ppb
  • CO: 198.33 ppb

Health Recommendations:

Air quality may be unhealthy for everyone. All individuals may begin to experience adverse health effects.