Cypress Park Weather Forecast

    • 67
    • 91

    Mostly Sunny

    • 68
    • 92

    Hot

    • 70
    • 99

    Hot

    • 70
    • 100

    Hot

    • 70
    • 100

    Hot

    • 69
    • 101

    Hot

Today 21 Jul San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 90 to 97. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph in the afternoon.

Tonight 21 Jul San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 62 to 68. Areas of Winds southwest 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Cypress Park Temperature Statistics

July Temperature

Ontario International Airport (5 miles)

  • Lowest 3 July, 2026

    59.6 °F

  • Average July

    79.9 °F

  • Highest 15 July, 2026

    102.7 °F

Climate (2021–2026)

Ontario International Airport (5 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    67 °F

  • Average High 2021–2026

    79.3 °F
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