Rainbow Bay Weather Forecast

    • 47
    • 69

    Partly Cloudy

    • 41
    • 59

    Mostly Sunny

    • 38
    • 53

    Partly Sunny

    • 35
    • 49

    Partly Sunny

    • 37
    • 49

    Partly Sunny

    • 39
    • 52

    Partly Sunny

    • 40
    • 53

    Partly Sunny

Today 25 Mar San Bernardino County Mountains

Mostly sunny. Warmer. Highs 66 to 75 above 6000 feet to 74 to 81 below 6000 feet. Areas of Winds east 10 Mph becoming south with Gusts to 25 Mph this afternoon.

Tonight 25 Mar San Bernardino County Mountains

Partly cloudy. Colder. Lows 36 to 46 above 6000 feet to 44 to 54 below 6000 feet. Areas of Winds south 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Bay Temperature Statistics

March Temperature

San Bernardino Intl. Airport (11.2 miles)

  • Lowest 8 March, 2025

    38.7 °F

  • Average March

    52.2 °F

  • Highest 21 March, 2025

    78.8 °F

Climate (2020–Present)

San Bernardino Intl. Airport (11.2 miles)

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  • Average Low 2020–2025

    54.3 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    80.7 °F
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