Rancho Cucamonga Weather Forecast

    • 57
    • 83

    Sunny

    • 56
    • 84

    Mostly Sunny

    • 55
    • 79

    Mostly Cloudy

    • 52
    • 73

    Partly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 76

    Partly Sunny

Today 3 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 79 to 86. Areas of Winds north 10 to 20 Mph with Gusts to 30 Mph.

Tonight 3 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 45 to 49 in wind Sheltered Areas to 49 to 59 in warmer Locations. Areas of Winds north 10 to 20 Mph. Gusts to 30 Mph. Becoming 40 Mph overnight.

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Rancho Cucamonga Temperature Statistics

February Temperature

Ontario International Airport (3.7 miles)

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  • Average February

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Climate (2021–Present)

Ontario International Airport (3.7 miles)

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  • Average Low 2021–2026

    55.6 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    79 °F
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