Rancho Cucamonga Weather Forecast

    • 53
    • 69

    Rain Showers Likely

    • 47
    • 62

    Rain Showers Likely

    • 47
    • 65

    Partly Sunny

    • 47
    • 69

    Sunny

    • 48
    • 69

    Mostly Cloudy

    • 45
    • 64

    Rain Showers Likely

Today 10 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the morning. Becoming mostly cloudy. Highs 67 to 72. Areas of Winds south 10 to 15 Mph with Gusts to 25 Mph.

Tonight 10 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers overnight. Patchy fog overnight. Lows 47 to 53. Areas of Winds south 10 to 15 Mph. Gusts to 25 Mph in the evening. Chance of measurable precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rancho Cucamonga Temperature Statistics

February Temperature

Ontario International Airport (3.7 miles)

  • Lowest 2 February, 2026

    48.7 °F

  • Average February

    65.6 °F

  • Highest 4 February, 2026

    87.7 °F

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

    79.1 °F
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