Sunnyvale, California Weather:
Monday, June 15, 2026
Cloudy Weather
Day 82°
Night 61°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 15, 2025)
Cloudy Weather

Day

77°

Night

52°

Wind

8 mph

UV Index

11

Precipitation

1 %