Rancho Cucamonga Central Park Weather Forecast

    • 67
    • 98

    Hot

    • 65
    • 98

    Hot

    • 64
    • 96

    Mostly Sunny

    • 65
    • 94

    Mostly Cloudy

    • 66
    • 92

    Mostly Cloudy

    • 67
    • 93

    Slight Chance Rain Showers

Today 8 Jul San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Hazy, warmer. Highs 96 to 105. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 8 Jul San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Smoke. Lows 63 to 67. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rancho Cucamonga Central Park Temperature Statistics

July Temperature

Ontario International Airport (5 miles)

  • Lowest 3 July, 2026

    59.6 °F

  • Average July

    75.1 °F

  • Highest 4 July, 2026

    93.7 °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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