Sunnyvale, California Weather:
Wednesday, August 12, 2026
Sunny Weather
Day 77°
Night 63°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (August 12, 2025)
Cloudy Night

Day

77°

Night

61°

Wind

7 mph

Precipitation

0 %