Hayward, California Weather:
Sunday, June 21, 2026
Cloudy Weather
Day 77°
Night 55°
Precipitation 0 %
Wind 15 mph
Weather Forecast History
Last Year's Weather on This Day (June 21, 2025)
Sunny Weather

Day

73°

Night

50°

Wind

15 mph

UV Index

11

Precipitation

2 %