Today | Weather | Sunday, September 7, 2025

Weather in Daly City, California

05:13 AM
Now
Cloudy Night
59° F
Feels Like 57°
Precipitation 0 %
Wind 7 mph
Humidity 94 %
Today
Cloudy Weather
Day 72°
Night 61°
Precipitation 2 %
Wind 16
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.

Other:

Low clouds followed by sunlight.

Daly City Weather Forecast Updated

53 minutes ago
Last updated on

Air quality in Daly City

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

Pollutant Concentrations:

PM2.5 12.75 µg/m³
PM10 16.48 µg/m³
O₃ 32.22 ppb
NO₂ 1.88 ppb
SO₂ 0.26 ppb
CO 116.90 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.