Fontana Weather Forecast

    • 31
    • 45

    Decreasing Clouds

    • 18
    • 44

    Partly Sunny

    • 7
    • 27

    Partly Sunny

    • 16
    • 40

    Partly Sunny

    • 12
    • 31

    Mostly Sunny

    • 24
    • 41

    Mostly Sunny

Today 15 Jan Miami

Mostly Sunny, then becoming mostly sunny this Morning, then becoming partly sunny. Highs in the mid 40s. Northwest Winds around 5 Mph, increasing to southwest 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 15 Jan Miami

Partly cloudy. A chance of Flurries and Sprinkles after midnight. Not as cool with Lows in the lower 30s. Southwest Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph after midnight.

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Fontana Temperature Statistics

January Temperature

Olathe, New Century Aircenter (27.3 miles)

  • Lowest 11 January, 2026

    19.9 °F

  • Average January

    40.3 °F

  • Highest 7 January, 2026

    66.9 °F

Climate (2021–Present)

Olathe, New Century Aircenter (27.3 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.1 °F
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