Sunnyvale, California Weather:
Tuesday, April 28, 2026
Cloudy Weather
Day 72°
Night 54°
Precipitation 25 %
Wind 1 mph
UV Index (0 - 11+) 5
Weather Forecast History
Last Year's Weather on This Day (April 28, 2025)
Sunny Weather

Day

70°

Night

50°

Wind

7 mph

UV Index

9

Precipitation

6 %