Sunday
Becoming sunny
High:
76°F
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Fullerton, CA Weather - Extended Forecast
Sunday Night
Clouds increasing
Overnight low:
57°F
Increasing clouds, with a low around 57.
Memorial Day
Becoming sunny
High:
74°F
Mostly cloudy through mid morning, then gradual clearing, with a high near 74.
Monday Night
Clouds increasing
Overnight low:
56°F
Increasing clouds, with a low around 56.
Tuesday
Clouds clearing
High:
70°F
Tuesday Night
Clouds increasing
Overnight low:
56°F
Wednesday
Clouds clearing
High:
70°F
Wednesday Night
Mostly clear
Overnight low:
56°F
Thursday
Mostly sunny
High:
75°F