Box Springs Mountain Park Weather Forecast

    • 60
    • 80

    Decreasing Clouds

    • 60
    • 80

    Partly Sunny

    • 61
    • 83

    Sunny

    • 61
    • 86

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

Today 16 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy in the morning. Becoming mostly sunny. Highs 81 to 86. Light Winds becoming southwest 10 Mph in the afternoon.

Tonight 16 Sep San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear in the evening. Becoming partly cloudy. Lows 52 to 60. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Box Springs Mountain Park Temperature Statistics

September Temperature

Riverside / March Air Force Base (6.2 miles)

  • Lowest 5 September, 2026

    56.5 °F

  • Average September

    78.4 °F

  • Highest 9 September, 2026

    105.3 °F

Climate (2021–2026)

Riverside / March Air Force Base (6.2 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    78.8 °F
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