Today | Weather | Saturday, May 16, 2026

Weather in Berkeley, California

03:01 AM
Now
Cloudy Night
54° F
Feels Like 48°
Precipitation 7 %
Wind 10 mph
Humidity 65 %
Today
Cloudy Weather
Day 73°
Night 50°
Precipitation 1 %
Wind 15 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Berkeley Weather Forecast Updated

7 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 16, 2025)
Sunny Weather

Day

70°

Night

52°

Wind

9 mph

UV Index

10

Precipitation

0 %

Air Quality in Berkeley

NOW
47 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.78 µg/m³
PM10 15.9 µg/m³
O3 0.051 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0.02 µg/m³
NO 0 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.53.78 µg/m³
PM1015.9 µg/m³
O3100.27 µg/m³
NO20.44 µg/m³
SO20.65 µg/m³
CO130.28 µg/m³
NH30.02 µg/m³
NO0 µg/m³