Montclair Weather Forecast

    • 65
    • 92

    Mostly Sunny

    • 67
    • 95

    Mostly Sunny

    • 64
    • 96

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 64
    • 89

    Partly Sunny

    • 65
    • 89

    Partly Sunny

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

Sunny. Highs 92 to 100. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

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

Clear. Lows 60 to 65. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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Montclair Temperature Statistics

July Temperature

Brackett Field Airport (5 miles)

  • Lowest 3 July, 2026

    59 °F

  • Average July

    73.5 °F

  • Highest 3 July, 2026

    87.8 °F

Climate (2021–2026)

Brackett Field Airport (5 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    68 °F

  • Average High 2021–2026

    75.9 °F
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