Wednesday
Mostly sunny
High:
71°F
Mostly sunny, with a high near 71. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Sunnyvale, CA Weather - Tomorrow’s Forecast
Wednesday Night
Partly cloudy
Overnight low:
51°F
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming light and variable in the evening.