Sunnyvale, California Weather:
Thursday, August 13, 2026
Cloudy Weather
Day 75°
Night 61°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 9
Weather Forecast History
Last Year's Weather on This Day (August 13, 2025)
Cloudy Night

Day

73°

Night

61°

Wind

6 mph

Precipitation

0 %