Hourly Weather Forecast for San Francisco, California

Hourly Weather | Today › Tuesday, June 30, 2026

Active Weather Warnings

Beach Hazards Statement

San Francisco, California

2 PM

66°

Feels Like 70°

Humidity: 65%

UV Index: 10

Wind: 16 mph

3 PM

64°

Feels Like 68°

Humidity: 67%

UV Index: 8

Wind: 17 mph

4 PM

64°

Feels Like 64°

Humidity: 68%

UV Index: 5

Wind: 17 mph

5 PM

63°

Feels Like 61°

Humidity: 70%

UV Index: 3

Wind: 17 mph

6 PM

63°

Feels Like 59°

Humidity: 72%

UV Index: 2

Wind: 17 mph

7 PM

61°

Feels Like 55°

Humidity: 77%

UV Index: 1

Wind: 16 mph

8 PM

57°

Feels Like 52°

Humidity: 81%

UV Index: 0

Wind: 15 mph

9 PM

55°

Feels Like 48°

Humidity: 90%

UV Index: 0

Wind: 14 mph

10 PM

55°

Feels Like 48°

Humidity: 91%

UV Index: 0

Wind: 13 mph

11 PM

55°

Feels Like 48°

Humidity: 90%

UV Index: 0

Wind: 13 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.97 µg/m³
PM₁₀: 20.89 µg/m³
O₃: 0.040 ppm
NO₂: 0.1 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

3 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.92 µg/m³
PM₁₀: 20.9 µg/m³
O₃: 0.041 ppm
NO₂: 0.1 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

4 PM

38 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.81 µg/m³
PM₁₀: 20.81 µg/m³
O₃: 0.041 ppm
NO₂: 0.1 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

5 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.66 µg/m³
PM₁₀: 20.57 µg/m³
O₃: 0.040 ppm
NO₂: 0.1 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

6 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.5 µg/m³
PM₁₀: 20.17 µg/m³
O₃: 0.039 ppm
NO₂: 0.1 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

7 PM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.35 µg/m³
PM₁₀: 19.77 µg/m³
O₃: 0.038 ppm
NO₂: 0.2 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

8 PM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.31 µg/m³
PM₁₀: 19.78 µg/m³
O₃: 0.036 ppm
NO₂: 0.2 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

9 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.34 µg/m³
PM₁₀: 20.06 µg/m³
O₃: 0.036 ppm
NO₂: 0.3 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

10 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.36 µg/m³
PM₁₀: 20.3 µg/m³
O₃: 0.035 ppm
NO₂: 0.3 ppb
SO₂: 0.4 ppb
CO: 0.07 ppm

Health Recommendations:

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

11 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.38 µg/m³
PM₁₀: 20.45 µg/m³
O₃: 0.035 ppm
NO₂: 0.3 ppb
SO₂: 0.4 ppb
CO: 0.07 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 San Francisco

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued June 29 at 10:11AM PDT until July 1 at 5:00AM PDT by NWS San Francisco CA

Jun 29, 10:11 AM → Jul 1, 5:00 AM

WHAT: An increased risk of sneaker waves and strong rip
currents expected.

WHERE: Pacific Coast beaches.

WHEN: Through 5 AM PDT Wednesday.

IMPACTS: Dangerous swimming and surfing conditions and
localized beach erosion can be expected. Sneaker waves can sweep
across the shoreline without warning, pulling people into the
sea from rocks, jetties and beaches.

+ Read More

Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

Updated: Jun 30, 7:17 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for San Francisco

Beach Hazards Statement

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