Hourly Weather Forecast for Glendale, California

Hourly Weather | Today › Tuesday, August 25, 2026

Active Weather Warnings

Extreme Heat Watch
Extreme Heat Warning
Heat Advisory

Glendale, California

3 AM

72°

Feels Like 72°

Humidity: 75%

UV Index: 0

Wind: 4 mph

4 AM

72°

Feels Like 70°

Humidity: 74%

UV Index: 0

Wind: 4 mph

5 AM

70°

Feels Like 70°

Humidity: 77%

UV Index: 0

Wind: 2 mph

6 AM

70°

Feels Like 68°

Humidity: 80%

UV Index: 0

Wind: 2 mph

7 AM

72°

Feels Like 73°

Humidity: 72%

UV Index: 1

Wind: 2 mph

8 AM

79°

Feels Like 81°

Humidity: 57%

UV Index: 2

Wind: 2 mph

9 AM

82°

Feels Like 86°

Humidity: 50%

UV Index: 3

Wind: 4 mph

10 AM

88°

Feels Like 91°

Humidity: 43%

UV Index: 4

Wind: 5 mph

11 AM

91°

Feels Like 97°

Humidity: 37%

UV Index: 6

Wind: 6 mph

12 PM

93°

Feels Like 100°

Humidity: 34%

UV Index: 8

Wind: 6 mph

1 PM

97°

Feels Like 102°

Humidity: 30%

UV Index: 9

Wind: 7 mph

2 PM

99°

Feels Like 102°

Humidity: 29%

UV Index: 8

Wind: 8 mph

3 PM

99°

Feels Like 100°

Humidity: 28%

UV Index: 6

Wind: 8 mph

4 PM

97°

Feels Like 99°

Humidity: 28%

UV Index: 4

Wind: 8 mph

5 PM

95°

Feels Like 95°

Humidity: 30%

UV Index: 3

Wind: 8 mph

6 PM

91°

Feels Like 91°

Humidity: 32%

UV Index: 2

Wind: 7 mph

7 PM

90°

Feels Like 88°

Humidity: 37%

UV Index: 1

Wind: 7 mph

8 PM

86°

Feels Like 84°

Humidity: 43%

UV Index: 0

Wind: 6 mph

9 PM

82°

Feels Like 82°

Humidity: 49%

UV Index: 0

Wind: 5 mph

10 PM

81°

Feels Like 81°

Humidity: 54%

UV Index: 0

Wind: 5 mph

11 PM

79°

Feels Like 79°

Humidity: 58%

UV Index: 0

Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 AM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.47 µg/m³
PM₁₀: 21.01 µg/m³
O₃: 0.037 ppm
NO₂: 0.4 ppb
SO₂: 0.2 ppb
CO: 0.06 ppm

Health Recommendations:

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

4 AM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8 µg/m³
PM₁₀: 21.47 µg/m³
O₃: 0.038 ppm
NO₂: 0.4 ppb
SO₂: 0.2 ppb
CO: 0.06 ppm

Health Recommendations:

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

5 AM

41 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.74 µg/m³
PM₁₀: 23.59 µg/m³
O₃: 0.038 ppm
NO₂: 0.4 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 AM

52 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.97 µg/m³
PM₁₀: 27.41 µg/m³
O₃: 0.037 ppm
NO₂: 0.5 ppb
SO₂: 0.2 ppb
CO: 0.07 ppm

Health Recommendations:

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

7 AM

62 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 17.59 µg/m³
PM₁₀: 32.68 µg/m³
O₃: 0.036 ppm
NO₂: 0.5 ppb
SO₂: 0.2 ppb
CO: 0.08 ppm

Health Recommendations:

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

8 AM

74 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 23.17 µg/m³
PM₁₀: 38.64 µg/m³
O₃: 0.035 ppm
NO₂: 0.7 ppb
SO₂: 0.2 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.

9 AM

85 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 28.58 µg/m³
PM₁₀: 44.2 µg/m³
O₃: 0.035 ppm
NO₂: 0.6 ppb
SO₂: 0.2 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.

10 AM

95 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 32.97 µg/m³
PM₁₀: 48.59 µg/m³
O₃: 0.036 ppm
NO₂: 0.6 ppb
SO₂: 0.2 ppb
CO: 0.12 ppm

Health Recommendations:

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

11 AM

102 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 36.13 µg/m³
PM₁₀: 51.56 µg/m³
O₃: 0.039 ppm
NO₂: 0.4 ppb
SO₂: 0.2 ppb
CO: 0.12 ppm

Health Recommendations:

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

12 PM

106 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 37.94 µg/m³
PM₁₀: 53.03 µg/m³
O₃: 0.041 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

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

1 PM

106 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 37.85 µg/m³
PM₁₀: 52.92 µg/m³
O₃: 0.043 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

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

2 PM

101 AQI

Unhealthy air quality for sensitive groups Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 35.97 µg/m³
PM₁₀: 51.26 µg/m³
O₃: 0.044 ppm
NO₂: 0.2 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

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

3 PM

94 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 32.74 µg/m³
PM₁₀: 48.31 µg/m³
O₃: 0.044 ppm
NO₂: 0.2 ppb
SO₂: 0.2 ppb
CO: 0.12 ppm

Health Recommendations:

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

4 PM

86 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 28.99 µg/m³
PM₁₀: 44.82 µg/m³
O₃: 0.045 ppm
NO₂: 0.2 ppb
SO₂: 0.2 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

78 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 25.25 µg/m³
PM₁₀: 41.34 µg/m³
O₃: 0.045 ppm
NO₂: 0.2 ppb
SO₂: 0.2 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.

6 PM

70 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 21.47 µg/m³
PM₁₀: 37.84 µg/m³
O₃: 0.045 ppm
NO₂: 0.2 ppb
SO₂: 0.2 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.

7 PM

62 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 17.62 µg/m³
PM₁₀: 34.03 µg/m³
O₃: 0.044 ppm
NO₂: 0.3 ppb
SO₂: 0.2 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

55 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 14.15 µg/m³
PM₁₀: 30.41 µg/m³
O₃: 0.044 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.08 ppm

Health Recommendations:

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

9 PM

49 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.84 µg/m³
PM₁₀: 27.62 µg/m³
O₃: 0.045 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.08 ppm

Health Recommendations:

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

10 PM

49 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 11.79 µg/m³
PM₁₀: 27.02 µg/m³
O₃: 0.047 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.08 ppm

Health Recommendations:

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

11 PM

58 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 15.77 µg/m³
PM₁₀: 30.7 µg/m³
O₃: 0.049 ppm
NO₂: 0.4 ppb
SO₂: 0.2 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.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Glendale

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued August 23 at 12:06AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Aug 25, 10:00 AM → Aug 28, 8:00 PM

WHAT: For the Heat Advisory, temperatures up to 107 expected. For
the Extreme Heat Watch, dangerously hot conditions with
temperatures up to 112 possible.

WHERE: A portion of southwest California.

WHEN: For the Heat Advisory, from 10 AM this morning to 10 AM PDT
Tuesday. For the Extreme Heat Watch, from Tuesday morning through
Friday evening.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Updated: Aug 24, 11:27 AM Source: NWS Alert

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued August 25 at 12:02AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Aug 25, 10:00 AM → Aug 28, 8:00 PM

WHAT: For the Heat Advisory, temperatures up to 98. For the
Extreme Heat Warning, dangerously hot conditions with temperatures
up to 112 expected.

WHERE: A portion of southwest California.

WHEN: For the Heat Advisory, until 10 AM PDT this morning. For the
Extreme Heat Warning, from 10 AM this morning to 8 PM PDT Friday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat events.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Updated: Aug 25, 2:43 AM Source: NWS Alert

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 25 at 12:02AM PDT until August 25 at 10:00AM PDT by NWS Los Angeles/Oxnard CA

Aug 25, 12:02 AM → Aug 25, 10:00 AM

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Updated: Aug 25, 2:43 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Glendale

Extreme Heat Watch

Extreme Heat Warning

Heat Advisory

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