Rancho Cucamonga Weather Forecast

    • 48
    • 77

    Partly Sunny

    • 52
    • 64

    Rain Likely

    • 52
    • 62

    Rain Likely

    • 51
    • 63

    Chance Rain

    • 45
    • 62

    Chance Rain

    • 43
    • 63

    Partly Sunny

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

Patchy fog this morning. Partly cloudy. Local visibility one quarter mile or less at Times this morning. Highs 77 to 81. Light Winds becoming southwest 10 to 15 Mph with Gusts to 25 Mph this afternoon.

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

Partly cloudy. Patchy fog overnight. Colder. Lows 41 to 45 in wind Sheltered Areas to 43 to 49 in warmer Locations. Areas of Winds south 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rancho Cucamonga Temperature Statistics

February Temperature

Ontario International Airport (3.7 miles)

  • Lowest 1 February, 2025

    46 °F

  • Average February

    57.2 °F

  • Highest 1 February, 2025

    71.1 °F

Climate (2020–Present)

Ontario International Airport (3.7 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    79.1 °F
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