Mentone Weather Forecast

    • 61
    • 92

    Increasing Clouds

    • 62
    • 88

    Becoming Sunny

    • 64
    • 91

    Mostly Sunny

    • 64
    • 94

    Sunny

    • 62
    • 94

    Sunny

    • 63
    • 92

    Mostly Sunny

    • 64
    • 94

    Partly Sunny

Today 21 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Highs 89 to 94. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 21 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Lows 52 to 56 in wind Sheltered Areas to 56 to 64 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

March Temperature

San Bernardino Intl. Airport (6.2 miles)

  • Lowest 6 March, 2026

    44.1 °F

  • Average March

    64.7 °F

  • Highest 19 March, 2026

    102.2 °F

Climate (2021–Present)

San Bernardino Intl. Airport (6.2 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    80.5 °F
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