Fullerton Weather Forecast

    • 72
    • 92

    Increasing Clouds

    • 70
    • 88

    Rain Showers

    • 63
    • 86

    Slight Chance Thunderstorms

    • 68
    • 88

    Partly Sunny

    • 66
    • 88

    Chance Thunderstorms

    • 60
    • 82

    Slight Chance Thunderstorms

Today 17 Jul Greenup

Mostly sunny. Areas of smoke in the Morning, then patchy smoke in the afternoon. A chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. Light and variable Winds, becoming south around 5 Mph in the afternoon. Chance of rain 50 percent.

Tonight 17 Jul Greenup

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Light and variable Winds, becoming southwest around 5 Mph after midnight. Chance of rain 50 percent.

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Fullerton Temperature Statistics

July Temperature

Ashland Regional Airport (17.4 miles)

  • Lowest 11 July, 2026

    66.9 °F

  • Average July

    77.4 °F

  • Highest 3 July, 2026

    97 °F

Climate (2021–2026)

Ashland Regional Airport (17.4 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    67.4 °F
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