La Sierra Weather Forecast

    • 48
    • 74

    Mostly Sunny

    • 47
    • 71

    Partly Sunny

    • 47
    • 73

    Mostly Sunny

    • 47
    • 71

    Partly Sunny

    • 47
    • 65

    Partly Sunny

    • 48
    • 69

    Mostly Sunny

Today 13 Dec San Bernardino and Riverside County Valleys

Mostly sunny. Warmer. Highs 71 to 77. Areas of Winds east 15 to 20 Mph with Gusts to 30 Mph.

Tonight 13 Dec San Bernardino and Riverside County Valleys

Mostly clear in the evening. Becoming partly cloudy. Lows 41 to 50. Areas of Winds east 15 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

La Sierra Temperature Statistics

December Temperature

Santa Ana, John Wayne Airport-Orange County Airport (26.7 miles)

  • Lowest 2 December, 2018

    48 °F
  • Average December

    57.8 °F
  • Highest 4 December, 2018

    70 °F

Climate (2010–Present)

Santa Ana, John Wayne Airport-Orange County Airport (26.7 miles)

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  • Average Low 2010–Present

    58.5 °F
  • Average 2010–Present

    65.2 °F
  • Average High 2010–Present

    73.8 °F
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