Fontana Weather Forecast

    • 49
    • 58

    Rain

    • 46
    • 60

    Chance Rain

    • 50
    • 66

    Partly Sunny

    • 50
    • 71

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 48
    • 66

    Chance Rain

    • 48
    • 59

    Chance Rain

Today 20 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Rain. Rain may be heavy at Times. Highs 57 to 61. Areas of Winds southeast 10 Mph.

Tonight 20 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Rain in the Evening, then rain and a slight chance of Thunderstorms overnight. Rain may be heavy at Times overnight. Lows 43 to 49. Areas of Winds east 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fontana Temperature Statistics

February Temperature

Ontario International Airport (8.1 miles)

  • Lowest 10 February, 2024

    38.6 °F
  • Average February

    53.2 °F
  • Highest 16 February, 2024

    69.7 °F

Climate (2019–Present)

Ontario International Airport (8.1 miles)

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  • Average Low 2019–2024

    55.9 °F
  • Average 2019–2024

    66.4 °F
  • Average High 2019–2024

    79.1 °F
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