De Anza Park Weather Forecast

    • 58
    • 86

    Increasing Clouds

    • 58
    • 81

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 56
    • 75

    Partly Sunny

    • 56
    • 78

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

Today 25 Jun San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 85 to 91. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph in the afternoon.

Tonight 25 Jun San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Patchy fog overnight. Lows 53 to 58. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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De Anza Park Temperature Statistics

June Temperature

Ontario International Airport (4.3 miles)

  • Lowest 21 June, 2026

    56.6 °F

  • Average June

    74.5 °F

  • Highest 12 June, 2026

    99.6 °F

Climate (2021–2026)

Ontario International Airport (4.3 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    67.1 °F

  • Average High 2021–2026

    79.3 °F
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