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Today Hourly 7 days 30 days May
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May 2026 Weather | Fullerton, California

Today 5/25
Cloudy Weather
Day 73°
Night 57°
2
Tue 5/26
Cloudy Weather
Day 70°
Night 57°
11
Wed 5/27
Partly Sunny with Showers
Day 72°
Night 55°
65
Thu 5/28
Partly Sunny with Showers
Day 73°
Night 57°
40
Fri 5/29
Cloudy Weather
Day 75°
Night 57°
7
Sat 5/30
Cloudy Weather
Day 75°
Night 61°
2
Sun 5/31
Cloudy Weather
Day 79°
Night 63°
1

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