Thursday
Mostly sunny
High:
78°F
Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Cupertino, CA Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
56°F
Patchy fog after 2am. Otherwise, mostly clear, with a low around 56.
Friday
Patchy fog
High:
82°F
Patchy fog before 8am. Otherwise, sunny, with a high near 82.
Friday Night
Mostly clear
Overnight low:
57°F
Mostly clear, with a low around 57.
Saturday
Mostly sunny
High:
82°F
Saturday Night
Partly cloudy
Overnight low:
57°F
Sunday
Partly sunny
High:
79°F
Sunday Night
Partly cloudy
Overnight low:
57°F
Monday
Mostly sunny
High:
80°F