Today | Weather | Thursday, September 4, 2025

Weather in Daly City, California

12:38 PM
Now
Cloudy WeatherCloudy weather, overcast skies with no rain.
66° F
Feels Like 64°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 11
Humidity 76 %
Today
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 68°
Night 57°
Precipitation 1 %
Wind 12 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.

Other:

Low cloud cover breaking for some sunshine.

Daly City Weather Forecast Updated

Last updated on

Air quality in Daly City

NOW
41 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 6.51 µg/m³
PM10 8.17 µg/m³
O₃ 31.75 ppb
NO₂ 3.11 ppb
SO₂ 0.60 ppb
CO 126.65 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors