Hayward, California Weather:
Saturday, September 19, 2026
Sunny Weather
Day 75°
Night 59°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 19, 2025)
Night

Day

79°

Night

61°

Wind

6 mph

Precipitation

2 %