Today | Weather | Thursday, September 18, 2025

Weather in Long Beach, California

08:52 AM
Now
Cloudy Weather
73° F
Feels Like 75°
Precipitation 47 %
Wind 5 mph
UV Index (0 - 11+) 8
Humidity 83 %
Today
Stormy Weather
Day 79°
Night 68°
Precipitation 81 %
Wind 11
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.

Long Beach Weather Forecast Updated

14 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 18, 2024)

Cloudy Weather

Day

73°

Night

64°

Wind

6 mph

UV Index

5

Precipitation

1

Air quality in Long Beach

NOW
57 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 16.35 µg/m³
PM10 17.26 µg/m³
O₃ 21.33 ppb
NO₂ 20.17 ppb
SO₂ 4.32 ppb
CO 194.56 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.