Diamond Valley Lake Weather Forecast

    • 54
    • 80

    Sunny

    • 59
    • 91

    Sunny

    • 65
    • 95

    Sunny

    • 59
    • 97

    Hot

    • 56
    • 96

    Sunny

    • 54
    • 85

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

Today 21 Oct San Bernardino and Riverside County Valleys

Clear. Lows 48 to 56 in wind Sheltered Areas to 54 to 63 in warmer Locations. Areas of Winds north 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Valley Lake Temperature Statistics

October Temperature

Fallbrook Community Airpark (25.5 miles)

  • Lowest 8 October, 2017

    51.8 °F
  • Average October

    69 °F
  • Highest 16 October, 2017

    98.6 °F

Climate (2014–Present)

Fallbrook Community Airpark (25.5 miles)

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  • Average Low 2014–Present

    55 °F
  • Average 2014–Present

    63.8 °F
  • Average High 2014–Present

    76.1 °F
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