Hourly Weather | Today Tuesday, August 4, 2026
Active Weather Warnings
Lancaster, California
4 PM
Sunny Weather
104°
Feels Like 102°
0
Humidity: 7%
UV Index: 5
Wind: 18 mph
5 PM
Sunny Weather
100°
Feels Like 99°
0
Humidity: 9%
UV Index: 3
Wind: 21 mph
6 PM
Sunny Weather
99°
Feels Like 97°
0
Humidity: 11%
UV Index: 2
Wind: 21 mph
7 PM
Sunny Weather
97°
Feels Like 91°
0
Humidity: 14%
UV Index: 1
Wind: 18 mph
8 PM
Night
91°
Feels Like 88°
0
Humidity: 15%
UV Index: 0
Wind: 17 mph
9 PM
Night
90°
Feels Like 86°
0
Humidity: 15%
UV Index: 0
Wind: 15 mph
10 PM
Night
88°
Feels Like 82°
0
Humidity: 16%
UV Index: 0
Wind: 13 mph
11 PM
Night
84°
Feels Like 82°
0
Humidity: 16%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.63 µg/m³
  • PM10: 17 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.6 µg/m³
  • PM10: 17.41 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.74 µg/m³
  • PM10: 18.25 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.1 µg/m³
  • PM10: 19.68 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.56 µg/m³
  • PM10: 21.37 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.9 µg/m³
  • PM10: 22.58 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.25 µg/m³
  • PM10: 23.86 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.58 µg/m³
  • PM10: 25.13 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Lancaster

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued August 3 at 8:09PM PDT until August 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Aug 3, 8:09 PM Aug 8, 8:00 PM
WHAT: Dangerously hot conditions with temperatures 102 to 110.

WHERE: Antelope Valley, Eastern Antelope Valley Foothills, and
Western Antelope Valley Foothills.

WHEN: Until 8 PM PDT Saturday.

IMPACTS: There is a high risk for dangerous heat illness,
especially for sensitive groups like the very young, the very old,
those without air conditioning, and those active outdoors.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.
Updated: Aug 4, 1:50 PM Source: NWS Alert