Fairmount Park Weather Forecast

    • 65
    • 91

    Patchy Fog

    • 64
    • 91

    Patchy Fog

    • 64
    • 90

    Patchy Fog

    • 65
    • 91

    Patchy Fog

    • 66
    • 91

    Mostly Sunny

    • 66
    • 90

    Patchy Fog

Today 22 Aug San Bernardino and Riverside County Valleys

Partly cloudy in the morning. Becoming mostly sunny. Patchy fog in the morning. Highs 91 to 96. Light Winds becoming west 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 22 Aug San Bernardino and Riverside County Valleys

Mostly clear in the evening. Becoming partly cloudy. Patchy fog overnight. Lows 58 to 65. Areas of Winds west 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Fairmount Park Temperature Statistics

August Temperature

Fullerton, Fullerton Municipal Airport (35.4 miles)

  • Lowest 5 August, 2018

    69.1 °F
  • Average August

    78.9 °F
  • Highest 9 August, 2018

    100 °F

Climate (2010–Present)

Fullerton, Fullerton Municipal Airport (35.4 miles)

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  • Average Low 2010–Present

    57.7 °F
  • Average 2010–Present

    66.6 °F
  • Average High 2010–Present

    78 °F
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