Today | Weather | Saturday, November 14, 2026

Weather in Hayward, California

02:45 PM
Now
Rainy Weather
64° F
Feels Like 63°
Precipitation 42 %
Wind 8 mph
UV Index (0 - 11+) 1
Humidity 63 %
Today
Partly Sunny with Showers
Day 66°
Night 54°
Precipitation 80 %
Wind 6 mph
UV Index (0 - 11+) 3

Hayward Weather Forecast Updated

9 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 14, 2025)
Cloudy Night

Day

64°

Night

52°

Wind

6 mph

Precipitation

17 %

Air Quality in Hayward

NOW
47 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.91 µg/m³
PM10 4.12 µg/m³
O3 0.051 ppm
NO2 0.3 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0.04 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)
PM2.5 – 1.91 µg/m³
PM10 – 4.12 µg/m³
O3 – 99.7 µg/m³
NO2 – 0.59 µg/m³
SO2 – 0.53 µg/m³
CO – 120.15 µg/m³
NH3 – 0 µg/m³
NO – 0.04 µg/m³