Sunday
Becoming sunny
High:
78°F
Partly sunny, then gradually becoming sunny, with a high near 78. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.
Sunnyvale, CA Weather - Tomorrow’s Forecast
Sunday Night
Clouds increasing
Overnight low:
60°F
Increasing clouds, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.