Wednesday
Becoming sunny
High:
81°F
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunnyvale, CA Weather - Tomorrow’s Forecast
Wednesday Night
Mostly clear
Overnight low:
58°F
Mostly clear, with a low around 58. North northwest wind 5 to 7 mph becoming calm after midnight.