Fullerton Weather Forecast

    • 59
    • 78

    Increasing Clouds

    • 71
    • 84

    Rain Showers Likely

    • 61
    • 84

    Rain Showers

    • 57
    • 80

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 63
    • 83

    Chance Thunderstorms

    • 61
    • 80

    Chance Thunderstorms

Today 16 Jun Greenup

Sunny. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 16 Jun Greenup

Partly cloudy with a slight chance of Showers this Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the upper 50s. Southwest Winds around 5 Mph. Chance of rain 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fullerton Temperature Statistics

June Temperature

Ashland Regional Airport (17.4 miles)

  • Lowest 1 June, 2026

    50 °F

  • Average June

    72.2 °F

  • Highest 10 June, 2026

    90 °F

Climate (2021–Present)

Ashland Regional Airport (17.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    67.4 °F
Get WillyWeather+ to remove ads