Mystic Lake Weather Forecast

    • 51
    • 75

    Gradual Clearing

    • 56
    • 87

    Mostly Sunny

    • 62
    • 92

    Mostly Sunny

    • 63
    • 97

    Hot

    • 62
    • 98

    Hot

    • 61
    • 92

    Partly Sunny

Today 18 May San Bernardino and Riverside County Valleys-The Inland Empire

Cloudy this morning. Becoming mostly sunny. Patchy fog this morning. Warmer. Highs 71 to 76. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 18 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 48 to 54. Areas of Winds southwest 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mystic Lake Temperature Statistics

May Temperature

Riverside / March Air Force Base (8.7 miles)

  • Lowest 15 May, 2025

    46.4 °F

  • Average May

    64.6 °F

  • Highest 10 May, 2025

    102.7 °F

Climate (2020–Present)

Riverside / March Air Force Base (8.7 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    65.4 °F

  • Average High 2020–2025

    78.6 °F
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