Sunday
Sunny
High:
75°F
Sunny, with a high near 75.
Fullerton, CA Weather - Extended Forecast
Sunday Night
Partly cloudy
Overnight low:
55°F
Partly cloudy, with a low around 55.
Monday
Patchy fog
High:
77°F
Patchy fog before 11am. Otherwise, sunny, with a high near 77.
Monday Night
Patchy fog
Overnight low:
56°F
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56.
Tuesday
Patchy fog
High:
77°F
Tuesday Night
Patchy fog
Overnight low:
56°F
Wednesday
Patchy fog
High:
76°F
Wednesday Night
Patchy fog
Overnight low:
56°F
Thursday
Becoming sunny
High:
75°F