Wednesday
Patchy fog
High:
85°F
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the morning.
Fullerton, CA Weather - Extended Forecast
Wednesday Night
Patchy fog
Overnight low:
63°F
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 63.
Juneteenth
Patchy fog
High:
83°F
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83.
Thursday Night
Clouds increasing
Overnight low:
63°F
Increasing clouds, with a low around 63.
Friday
Becoming sunny
High:
81°F
Friday Night
Clouds increasing
Overnight low:
62°F
Saturday
Becoming sunny
High:
79°F
Saturday Night
Clouds increasing
Overnight low:
61°F
Sunday
Becoming sunny
High:
81°F