Fullerton, CA 92831

WeatherBug® Your Weather Just Got Better™

Change Units: °F  | °C

Detailed Forecast

Fullerton, CA 92831



Hi: 79°

Partly cloudy. Highs 66 to 71 near the coast to 76 to 81 inland. Light winds.

Lo: 56°

Partly cloudy in the evening...becoming cloudy. Patchy fog overnight. Lows 50 to 56. Light winds.



Hi: 69°

Cloudy in the morning...becoming mostly cloudy. Patchy fog in the morning. Highs around 65 near the coast to 70 inland. Light winds becoming south 15 mph with gusts to 25 mph in the afternoon.

Lo: 53°

Mostly cloudy. Slight chance of showers in the evening...then chance of showers and slight chance of thunderstorms overnight. Lows 47 to 53. Light winds becoming west 15 mph with gusts to 25 mph overnight. Chance of measurable precipitation 30 percent.



Hi: 67°

Partly cloudy. Highs around 64 near the coast to 65 to 70 inland.

Lo: 53°

Partly cloudy. Lows 45 to 53.



Hi: 73°

Partly cloudy in the morning...becoming mostly sunny. Highs 63 to 68 near the coast to 70 to 75 inland.

Lo: 55°

Mostly clear. Lows 49 to 55.



Hi: 80°

Mostly sunny. Highs 67 to 72 near the coast to 80 inland.

Lo: 60°

Clear. Lows 53 to 60.



Hi: 90°

Sunny...warmer. Highs 77 to 82 near the coast to 90 inland.

Lo: 64°

Clear. Lows 55 to 62.



Radar Weather Map for Fullerton, CA
  • Enlarge Radar Map

Weather News

Other Top Weather Headlines

WeatherBug Featured Content

Green Living

Green Living

You too can help save our planet and put money back in your wallet. Learn how you can take the first steps to reduce your environmental impact, including driving green, easy ways you can conserve water, and energy saving tips. To learn more and discover the benefits of going green, visit WeatherBug’s green living section. More >

Sponsored Content