Thursday
Mostly sunny
High:
76°F
Mostly sunny, with a high near 76. South wind 5 to 8 mph becoming west southwest in the afternoon.
Cupertino, CA Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
55°F
Partly cloudy, with a low around 55.
Friday
Mostly sunny
High:
80°F
Mostly sunny, with a high near 80.
Friday Night
Mostly clear
Overnight low:
57°F
Mostly clear, with a low around 57.
Independence Day
Mostly sunny
High:
81°F
Saturday Night
Partly cloudy
Overnight low:
57°F
Sunday
Mostly sunny
High:
80°F
Sunday Night
Partly cloudy
Overnight low:
56°F
Monday
Mostly sunny
High:
78°F