Fullerton Weather Forecast

    • 68
    • 83

    Thunderstorms Likely

    • 68
    • 89

    Chance Thunderstorms

    • 64
    • 82

    Thunderstorms Likely

    • 58
    • 80

    Mostly Sunny

    • 55
    • 82

    Partly Sunny

    • 59
    • 86

    Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

Today 27 Jun Nance

Breezy. Mostly cloudy in the evening. Showers and Thunderstorms. Warmer. Lows in the upper 60s. South Winds 20 to 25 Mph then becoming 10 to 20 Mph after midnight. Chance of precipitation 80 percent.

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Fullerton Temperature Statistics

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