Hourly Weather Forecast for Carlsbad, California

Hourly Weather | Today › Friday, November 13, 2026

Active Weather Warnings

High Surf Advisory

Carlsbad, California

4 PM

68°

Feels Like 66°

Humidity: 76%

UV Index: 1

Wind: 9 mph

5 PM

66°

Feels Like 63°

Humidity: 83%

UV Index: 0

Wind: 7 mph

6 PM

66°

Feels Like 64°

Humidity: 81%

UV Index: 0

Wind: 6 mph

7 PM

66°

Feels Like 64°

Humidity: 76%

UV Index: 0

Wind: 5 mph

8 PM

66°

Feels Like 64°

Humidity: 71%

UV Index: 0

Wind: 5 mph

9 PM

66°

Feels Like 61°

Humidity: 73%

UV Index: 0

Wind: 5 mph

10 PM

64°

Feels Like 61°

Humidity: 78%

UV Index: 0

Wind: 4 mph

11 PM

66°

Feels Like 64°

Humidity: 80%

UV Index: 0

Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM

43 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.08 µg/m³
PM₁₀: 2.9 µg/m³
O₃: 0.046 ppm
NO₂: 0.1 ppb
SO₂: 0 ppb
CO: 0.10 ppm

Health Recommendations:

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

5 PM

42 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.19 µg/m³
PM₁₀: 3.65 µg/m³
O₃: 0.046 ppm
NO₂: 0.1 ppb
SO₂: 0 ppb
CO: 0.10 ppm

Health Recommendations:

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

6 PM

42 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.29 µg/m³
PM₁₀: 4.24 µg/m³
O₃: 0.046 ppm
NO₂: 0.1 ppb
SO₂: 0 ppb
CO: 0.11 ppm

Health Recommendations:

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

7 PM

43 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.39 µg/m³
PM₁₀: 4.71 µg/m³
O₃: 0.046 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

8 PM

43 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.49 µg/m³
PM₁₀: 5.34 µg/m³
O₃: 0.047 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

9 PM

44 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.64 µg/m³
PM₁₀: 6.24 µg/m³
O₃: 0.048 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.11 ppm

Health Recommendations:

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

10 PM

45 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.85 µg/m³
PM₁₀: 7.29 µg/m³
O₃: 0.049 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.10 ppm

Health Recommendations:

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

11 PM

46 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.01 µg/m³
PM₁₀: 7.19 µg/m³
O₃: 0.050 ppm
NO₂: 0.1 ppb
SO₂: 0.1 ppb
CO: 0.10 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 Carlsbad

Minor Expected Likely

High Surf Advisory

High Surf Advisory issued November 13 at 12:15PM PST until November 15 at 10:00AM PST by NWS San Diego CA

Nov 13, 4:00 PM → Nov 15, 10:00 AM

WHAT: For the High Surf Advisory, large breaking waves of 5 to
7 feet with sets 8 to 10 feet along west-facing beaches. For the
Coastal Flood Advisory, minor coastal flooding expected,
particularly along west-facing beaches where surf will be
highest.

WHERE: San Diego County Coastal Areas and Orange County
Coastal Areas.

WHEN: For the High Surf Advisory, from 4 PM this afternoon to
10 AM PST Sunday. For the Coastal Flood Advisory, from 7 AM to
4 PM PST Saturday.

IMPACTS: Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous swimming and
surfing conditions and localized beach erosion.

ADDITIONAL DETAILS: Adjusted high tides will be near 6.2-6.5
feet around midday on Saturday, which will combine with high
surf to produce minor coastal flooding. Highest surf is expected
to occur late Saturday into early Sunday. Surf begins to wane
Sunday afternoon but will remain elevated into Monday.

+ Read More

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

Updated: Nov 13, 3:17 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Carlsbad

High Surf Advisory

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