Hourly Weather | Today Wednesday, July 15, 2026
Active Weather Warnings
Lancaster, California
2 PM
Cloudy Weather
102°
Feels Like 108°
0
Humidity: 13%
UV Index: 11
Wind: 10 mph
3 PM
Cloudy Weather
106°
Feels Like 108°
0
Humidity: 12%
UV Index: 8
Wind: 13 mph
4 PM
Cloudy Weather
104°
Feels Like 102°
0
Humidity: 13%
UV Index: 5
Wind: 16 mph
5 PM
Cloudy Weather
102°
Feels Like 100°
0
Humidity: 14%
UV Index: 3
Wind: 17 mph
6 PM
Cloudy Weather
100°
Feels Like 99°
0
Humidity: 15%
UV Index: 2
Wind: 16 mph
7 PM
Cloudy Weather
99°
Feels Like 95°
0
Humidity: 16%
UV Index: 1
Wind: 15 mph
8 PM
Sunny Weather
93°
Feels Like 91°
0
Humidity: 18%
UV Index: 0
Wind: 13 mph
9 PM
Night
91°
Feels Like 88°
0
Humidity: 20%
UV Index: 0
Wind: 13 mph
10 PM
Night
90°
Feels Like 84°
0
Humidity: 21%
UV Index: 0
Wind: 13 mph
11 PM
Night
88°
Feels Like 84°
0
Humidity: 21%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
128 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 24.64 µg/m³
  • PM10: 37.37 µg/m³
  • O3: 0.078 ppm
  • NO2: 0.5 ppb
  • SO2: 1.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

3 PM
105 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 21.96 µg/m³
  • PM10: 33.98 µg/m³
  • O3: 0.071 ppm
  • NO2: 0.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

4 PM
78 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 18.44 µg/m³
  • PM10: 30.28 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
58 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.72 µg/m³
  • PM10: 27.66 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.86 µg/m³
  • PM10: 25.97 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.37 µg/m³
  • PM10: 25.02 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 11.05 µg/m³
  • PM10: 24.07 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.95 µg/m³
  • PM10: 22.83 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.2 µg/m³
  • PM10: 21.7 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.7 µg/m³
  • PM10: 20.98 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Lancaster

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued July 13 at 3:18AM PDT until July 16 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Jul 14, 10:00 AM Jul 16, 8:00 PM
WHAT: Dangerously hot conditions with temperatures of 95 to 110
away from the coast, and 85 to 95 near the coast possible.

WHERE: A portion of southwest California.

WHEN: From Tuesday morning through Thursday evening.

IMPACTS: There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.

ADDITIONAL DETAILS: Monsoonal moisture will increase the
potential for heat impacts.
+ Read More
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. Monitor the latest forecasts and warnings for updates.
Updated: Jul 13, 7:39 AM Source: NWS Alert
Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued July 15 at 11:09AM PDT until July 16 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Jul 15, 11:09 AM Jul 16, 8:00 PM
WHAT: Dangerously hot conditions with temperatures up to 106.

WHERE: A portion of southwest California.

WHEN: Until 8 PM PDT Thursday.

IMPACTS: There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.
+ Read More
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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. 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: Jul 15, 1:38 PM Source: NWS Alert