Hayward, California Weather:
Wednesday, September 16, 2026
Cloudy Weather
Day 75°
Night 57°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 6
Weather Forecast History
Last Year's Weather on This Day (September 16, 2025)
Night

Day

88°

Night

57°

Wind

5 mph

Precipitation

0 %