Fullerton Weather Forecast

    • 48
    • 64

    Chance Rain Showers

    • 49
    • 67

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 51
    • 71

    Mostly Cloudy

    • 52
    • 69

    Chance Rain

    • 51
    • 63

    Chance Rain

Today 21 Feb Orange County Inland

Mostly cloudy with a chance of Showers this Morning, then partly cloudy this afternoon. Highs 61 to 64. Light Winds becoming west 10 Mph this afternoon. Chance of measurable precipitation 40 percent.

Tonight 21 Feb Orange County Inland

Partly cloudy. Lows 45 to 48. Areas of Winds west 10 Mph in the evening becoming light.

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Fullerton Temperature Statistics

February Temperature

Fullerton, Fullerton Municipal Airport (3.1 miles)

  • Lowest 11 February, 2024

    39.7 °F
  • Average February

    56.1 °F
  • Highest 16 February, 2024

    70.6 °F

Climate (2019–Present)

Fullerton, Fullerton Municipal Airport (3.1 miles)

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  • Average Low 2019–2024

    56.9 °F
  • Average 2019–2024

    65.8 °F
  • Average High 2019–2024

    76.7 °F
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