Mentone Weather Forecast

    • 58
    • 88

    Sunny

    • 60
    • 88

    Sunny

    • 61
    • 91

    Sunny

    • 64
    • 94

    Sunny

    • 64
    • 98

    Hot

    • 60
    • 92

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

Today 7 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Warmer. Highs 83 to 89. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 30 Mph this afternoon.

Tonight 7 May San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear this evening. Becoming partly cloudy. Lows 50 to 53 in wind Sheltered Areas to 52 to 59 in warmer Locations. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mentone Temperature Statistics

May Temperature

San Bernardino Intl. Airport (6.2 miles)

  • Lowest 5 May, 2026

    51.8 °F

  • Average May

    61.2 °F

  • Highest 2 May, 2026

    86 °F

Climate (2021–Present)

San Bernardino Intl. Airport (6.2 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    80.5 °F
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