Today | Weather | Saturday, August 16, 2025

Weather in San Bernardino, California

08:28 PM
Now
NightNighttime, with dark skies and stars or a moon visible.
79° F
Feels Like 75°
Precipitation 0 %
Wind 8 mph
Humidity 47 %
Today
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 88°
Night 61°
Precipitation 0 %
Wind 6 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:

Sunny to partly overcast and pleasant.

San Bernardino Weather Forecast Updated

Weather Forecast History

Last Year's Weather on This Day (August 16, 2024)

Sunny WeatherSunny weather, clear skies and sunny weather.

Day

100°

Night

68°

Wind

6 mph

UV Index

10

Precipitation

0

Air quality in San Bernardino

NOW
126 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 14.55 µg/m³
PM10 23.41 µg/m³
O₃ 71.32 ppb
NO₂ 7.21 ppb
SO₂ 1.80 ppb
CO 139.46 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 may be unhealthy for sensitive groups. The general public is not likely to be affected.