Today | Weather | Thursday, June 18, 2026

Active Weather Warnings

Beach Hazards Statement

Weather in San Diego, California

05:27 AM

Now

64° F

Feels Like 64°

Precipitation 0 %

Wind 5 mph

Humidity 80 %

Today

Day 73°

Night 64°

Precipitation 1 %

Wind 8 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

San Diego Weather Forecast Updated

26 minutes ago

Last updated on June 18, 2026 at 5:00 AM

Weather Forecast History

Last Year's Weather on This Day (June 18, 2025)

Day

75°

Night

61°

Wind

7 mph

UV Index

Precipitation

0 %

Air Quality in San Diego

NOW

37 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 3.57 µg/m³

PM₁₀ 8.84 µg/m³

O₃ 0.040 ppm

NO₂ 0.1 ppb

SO₂ 0.2 ppb

CO 0.08 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 – 3.57 µg/m³

PM₁₀ – 8.84 µg/m³

O₃ – 79.32 µg/m³

NO₂ – 0.22 µg/m³

SO₂ – 0.4 µg/m³

CO – 87.86 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for San Diego

Moderate Expected Likely

Beach Hazards Statement

Beach Hazards Statement issued June 17 at 10:27PM PDT until June 19 at 11:00PM PDT by NWS San Diego CA

Jun 17, 10:27 PM → Jun 19, 11:00 PM

WHAT: Surf of 3 to 5 feet with local sets to 6 feet, highest
at south-facing beaches in Orange County. High rip current
risk and strong longshore currents.

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

WHEN: Through Friday evening.

IMPACTS: Hazardous swimming conditions generated by high rip
current risk and strong longshore currents.
PRECAUTIONARY/PREPAREDNESS ACTIONS.

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A beach hazards statement for elevated surf means that waves will be high enough to cause danger to inexperienced swimmers in the water. Elevated surf also frequently results in strong rip currents which can drag people away from the shore and possibly result in drowning. Always swim near a lifeguard.

Updated: Jun 18, 5:00 AM Source: NWS Alert