Sunnyvale, California Weather:
Thursday, October 15, 2026
Sunny Weather
Day 79°
Night 57°
Precipitation 0 %
Wind 2 mph
UV Index (0 - 11+) 4
Weather Forecast History
Last Year's Weather on This Day (October 15, 2025)
Foggy Weather

Day

64°

Night

52°

Wind

5 mph

Precipitation

1 %