Today | Weather | Monday, July 20, 2026

Weather in Richmond, California

04:40 PM
Now
Cloudy Weather
66° F
Feels Like 66°
Precipitation 20 %
Wind 13 mph
UV Index (0 - 11+) 3
Humidity 68 %
Today
Partly Sunny with Showers
Day 70°
Night 61°
Precipitation 70 %
Wind 8 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.

Richmond Weather Forecast Updated

30 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 20, 2025)
Rainy Night

Day

63°

Night

57°

Wind

13 mph

Precipitation

45 %

Air Quality in Richmond

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.36 µg/m³
PM10 11.76 µg/m³
O3 0.038 ppm
NO2 0.3 ppb
SO2 0.3 ppb
CO 0.08 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.54.36 µg/m³
PM1011.76 µg/m³
O373.87 µg/m³
NO20.5 µg/m³
SO20.81 µg/m³
CO87.83 µg/m³
NH30 µg/m³
NO0.06 µg/m³