Sunday
Patchy fog
High:
88°F
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the morning.
Fullerton, CA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
59°F
Mostly clear, with a low around 59.
Monday
Patchy fog
High:
91°F
Patchy fog before 11am. Otherwise, sunny, with a high near 91.
Monday Night
Mostly clear
Overnight low:
62°F
Mostly clear, with a low around 62.
Tuesday
Sunny
High:
95°F
Tuesday Night
Clear
Overnight low:
63°F
Wednesday
Sunny
High:
95°F
Wednesday Night
Clear
Overnight low:
62°F
Thursday
Sunny
High:
95°F