Sunday
Sunny
High:
87°F
Sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Fullerton, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
65°F
Mostly clear, with a low around 65.
Monday
Sunny
High:
82°F
Sunny, with a high near 82.
Monday Night
Clouds increasing
Overnight low:
62°F
Increasing clouds, with a low around 62.
Tuesday
Chance of showers and thunderstorms
High:
73°F
Tuesday Night
Showers likely
Overnight low:
58°F
Wednesday
Showers likely
High:
70°F
Wednesday Night
Chance of showers
Overnight low:
57°F
Thursday
Chance of showers
High:
69°F