Today | Weather | Tuesday, April 7, 2026

Weather in San Bernardino, California

02:17 PM
Now
Sunny Weather
79° F
Feels Like 88°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 7
Humidity 30 %
Today
Sunny Weather
Day 84°
Night 55°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

San Bernardino Weather Forecast Updated

23 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 7, 2025)
Cloudy Weather

Day

84°

Night

52°

Wind

4 mph

UV Index

8

Precipitation

0 %

Air Quality in San Bernardino

NOW
53 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 10.94 µg/m³
PM10 25.6 µg/m³
O3 0.055 ppm
NO2 0.2 ppb
SO2 0.6 ppb
CO 0.12 ppm
NH3 0 µg/m³
NO 0.06 µg/m³
PM2.5 – 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.510.94 µg/m³
PM1025.6 µg/m³
O3107.8 µg/m³
NO20.34 µg/m³
SO21.55 µg/m³
CO140.85 µg/m³
NH30 µg/m³
NO0.06 µg/m³