Sleepy Hollow Weather Forecast

    • 56
    • 85

    Mostly Sunny

    • 54
    • 73

    Increasing Clouds

    • 51
    • 71

    Partly Sunny

    • 53
    • 74

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

Today 11 May San Bernardino and Riverside County Valleys-The Inland Empire

Sunny. Highs 89 to 99. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 11 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 54 to 58 in wind Sheltered Areas to 57 to 67 in warmer Locations. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph this evening becoming light.

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Sleepy Hollow Temperature Statistics

May Temperature

Chino, Chino Airport (8.7 miles)

  • Lowest 6 May, 2026

    48.7 °F

  • Average May

    66.3 °F

  • Highest 9 May, 2026

    86 °F

Climate (2021–Present)

Chino, Chino Airport (8.7 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    81.1 °F
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