Rialto Weather Forecast

    • 63
    • 95

    Mostly Sunny

    • 60
    • 90

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 62
    • 89

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

Today 22 Jun San Bernardino and Riverside County Valleys

Mostly sunny. Highs 94 to 100.

Tonight 22 Jun San Bernardino and Riverside County Valleys

Mostly clear. Lows 56 to 63.

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  • Temperature Forecast NOAA

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Rialto Temperature Statistics

June Temperature

Corona Airport (19.3 miles)

  • Lowest 8 June, 2018

    51.1 °F
  • Average June

    69.4 °F
  • Highest 14 June, 2018

    93.9 °F

Climate (2010–Present)

Corona Airport (19.3 miles)

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  • Average Low 2010–Present

    53 °F
  • Average 2010–Present

    66.4 °F
  • Average High 2010–Present

    78.9 °F
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