Today | Weather | Thursday, July 23, 2026

Active Weather Warnings

Weather in Newport Beach, California

04:42 AM

Now

70° F

Feels Like 70°

Precipitation 0 %

Wind 4 mph

Humidity 87 %

Today

Day 81°

Night 72°

Precipitation 0 %

Wind 8 mph

UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Newport Beach Weather Forecast Updated

28 minutes ago

Last updated on July 23, 2026 at 4:14 AM

Air Quality in Newport Beach

NOW

32 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 5.97 µg/m³

PM₁₀ 22.77 µg/m³

O₃ 0.035 ppm

NO₂ 0.3 ppb

SO₂ 0.4 ppb

CO 0.07 ppm

NH₃ 0 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 5.97 µg/m³

PM₁₀ – 22.77 µg/m³

O₃ – 67.88 µg/m³

NO₂ – 0.56 µg/m³

SO₂ – 0.93 µg/m³

CO – 84.09 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Newport Beach

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued July 23 at 1:21AM PDT until July 26 at 8:00PM PDT by NWS San Diego CA

Jul 23, 5:00 AM → Jul 26, 8:00 PM

WHAT: Surf of 5 to 7 feet expected.

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

WHEN: Thursday morning through Sunday evening.

IMPACTS: Increased rip current risk and dangerous swimming
conditions. Minor coastal flooding possible during evening
high tides over the weekend with evening high tides 5.5 to 6.5
feet.

+ Read More

Remain out of the water to avoid hazardous swimming conditions.

Updated: Jul 23, 4:14 AM Source: NWS Alert

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 22 at 9:01PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA

Jul 23, 10:00 AM → Jul 27, 8:00 PM

WHAT: High temperatures in the mid 80s to lower 90s for the mesas
and other higher coastal terrain and low temperatures in the lower
70s expected.

WHERE: Orange County Coastal Areas.

WHEN: From 10 AM Thursday to 8 PM PDT Monday.

IMPACTS: Hot temperatures may cause heat illnesses.