Fullerton, California Weather:
Monday, April 27, 2026
Cloudy Weather
Day 75°
Night 55°
Precipitation 8 %
Wind 6 mph
Weather Forecast History
Last Year's Weather on This Day (April 27, 2025)
Partly Sunny with Showers

Day

63°

Night

54°

Wind

7 mph

UV Index

5

Precipitation

49 %