Hourly Weather Forecast for Sacramento, California

Hourly Weather | Today › Friday, October 9, 2026

Active Weather Warnings

Heat Advisory

Sacramento, California

11 AM

79°

Feels Like 82°

Humidity: 44%

UV Index: 3

Wind: 5 mph

12 PM

84°

Feels Like 88°

Humidity: 35%

UV Index: 4

Wind: 6 mph

1 PM

90°

Feels Like 91°

Humidity: 29%

UV Index: 4

Wind: 7 mph

2 PM

91°

Feels Like 93°

Humidity: 26%

UV Index: 4

Wind: 7 mph

3 PM

93°

Feels Like 93°

Humidity: 25%

UV Index: 3

Wind: 8 mph

4 PM

91°

Feels Like 91°

Humidity: 27%

UV Index: 2

Wind: 9 mph

5 PM

90°

Feels Like 88°

Humidity: 30%

UV Index: 2

Wind: 9 mph

6 PM

82°

Feels Like 81°

Humidity: 37%

UV Index: 1

Wind: 9 mph

7 PM

79°

Feels Like 75°

Humidity: 47%

UV Index: 0

Wind: 8 mph

8 PM

75°

Feels Like 72°

Humidity: 54%

UV Index: 0

Wind: 8 mph

9 PM

72°

Feels Like 70°

Humidity: 60%

UV Index: 0

Wind: 9 mph

10 PM

68°

Feels Like 64°

Humidity: 65%

UV Index: 0

Wind: 9 mph

11 PM

66°

Feels Like 63°

Humidity: 68%

UV Index: 0

Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 AM

56 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 14.58 µg/m³
PM₁₀: 25.84 µg/m³
O₃: 0.033 ppm
NO₂: 7.4 ppb
SO₂: 0.8 ppb
CO: 0.20 ppm

Health Recommendations:

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

12 PM

52 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.96 µg/m³
PM₁₀: 23.05 µg/m³
O₃: 0.043 ppm
NO₂: 4.5 ppb
SO₂: 1 ppb
CO: 0.16 ppm

Health Recommendations:

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

1 PM

52 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 13.11 µg/m³
PM₁₀: 23.02 µg/m³
O₃: 0.049 ppm
NO₂: 3.2 ppb
SO₂: 0.9 ppb
CO: 0.15 ppm

Health Recommendations:

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

2 PM

53 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 13.43 µg/m³
PM₁₀: 23.49 µg/m³
O₃: 0.052 ppm
NO₂: 2.5 ppb
SO₂: 0.9 ppb
CO: 0.14 ppm

Health Recommendations:

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

3 PM

51 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.44 µg/m³
PM₁₀: 22.34 µg/m³
O₃: 0.053 ppm
NO₂: 2 ppb
SO₂: 0.7 ppb
CO: 0.14 ppm

Health Recommendations:

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

4 PM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 11.33 µg/m³
PM₁₀: 21.23 µg/m³
O₃: 0.052 ppm
NO₂: 2 ppb
SO₂: 0.7 ppb
CO: 0.13 ppm

Health Recommendations:

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

5 PM

46 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 10.48 µg/m³
PM₁₀: 20.56 µg/m³
O₃: 0.049 ppm
NO₂: 2.3 ppb
SO₂: 0.6 ppb
CO: 0.13 ppm

Health Recommendations:

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

6 PM

43 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.85 µg/m³
PM₁₀: 20.21 µg/m³
O₃: 0.046 ppm
NO₂: 3.1 ppb
SO₂: 0.6 ppb
CO: 0.13 ppm

Health Recommendations:

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

7 PM

40 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.44 µg/m³
PM₁₀: 20.24 µg/m³
O₃: 0.043 ppm
NO₂: 3.8 ppb
SO₂: 0.6 ppb
CO: 0.13 ppm

Health Recommendations:

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

8 PM

38 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 9.01 µg/m³
PM₁₀: 20.27 µg/m³
O₃: 0.042 ppm
NO₂: 3.7 ppb
SO₂: 0.6 ppb
CO: 0.13 ppm

Health Recommendations:

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

9 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.5 µg/m³
PM₁₀: 19.92 µg/m³
O₃: 0.041 ppm
NO₂: 3.4 ppb
SO₂: 0.6 ppb
CO: 0.13 ppm

Health Recommendations:

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

10 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.06 µg/m³
PM₁₀: 19.49 µg/m³
O₃: 0.040 ppm
NO₂: 3.2 ppb
SO₂: 0.6 ppb
CO: 0.13 ppm

Health Recommendations:

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

11 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.54 µg/m³
PM₁₀: 18.75 µg/m³
O₃: 0.039 ppm
NO₂: 3 ppb
SO₂: 0.5 ppb
CO: 0.13 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Sacramento

Moderate Expected Likely

Heat Advisory

Heat Advisory issued October 6 at 11:32AM PDT until October 9 at 10:00PM PDT by NWS Sacramento CA

Oct 6, 11:32 AM → Oct 9, 10:00 PM

WHAT: High temperatures of 94 to 102 degrees expected and overnight low temperatures in the mid 60s to low 70s, with widespread Moderate HeatRisk and areas of Major HeatRisk. WHERE: The Sacramento and northern San Joaquin Valleys, Delta and Carquinez Strait, and foothills. WHEN: Until 10 PM PDT Friday. IMPACTS: Hot temperatures may cause heat illnesses, especially to anyone without effective cooling and/or adequate hydration. ADDITIONAL DETAILS: Hottest days expected Tuesday through Thursday.

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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. 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.

Updated: Oct 7, 8:21 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Sacramento

Heat Advisory

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