Today | Weather | Friday, February 6, 2026

Weather in Hayward, California

12:33 AM
Now
Cloudy Night
52° F
Feels Like 50°
Precipitation 0 %
Wind 6 mph
Humidity 84 %
Today
Cloudy Weather
Day 70°
Night 48°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 3

Hayward Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 6, 2025)
Rainy Weather

Day

59°

Night

48°

Wind

14 mph

UV Index

1

Precipitation

100 %

Air Quality in Hayward

NOW
120 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 43.44 µg/m³
PM10 49.39 µg/m³
O3 0.050 ppm
NO2 1.7 ppb
SO2 0.5 ppb
CO 0.29 ppm
NH3 0.5 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.543.44 µg/m³
PM1049.39 µg/m³
O397.41 µg/m³
NO23.11 µg/m³
SO21.23 µg/m³
CO328.5 µg/m³
NH30.5 µg/m³
NO0 µg/m³