Wednesday
Becoming sunny
High:
85°F
Mostly cloudy through mid morning, then gradual clearing, with a high near 85.
Fullerton, CA Weather - Extended Forecast
Wednesday Night
Clouds increasing
Overnight low:
66°F
Increasing clouds, with a low around 66.
Thursday
Becoming sunny
High:
83°F
Mostly cloudy through mid morning, then gradual clearing, with a high near 83.
Thursday Night
Clouds increasing
Overnight low:
64°F
Increasing clouds, with a low around 64.
Friday
Becoming sunny
High:
80°F
Friday Night
Clouds increasing
Overnight low:
63°F
Saturday
Becoming sunny
High:
80°F
Saturday Night
Clouds increasing
Overnight low:
63°F
Sunday
Becoming sunny
High:
82°F