Rainbow Weather Forecast

    • 71
    • 99

    Hot

    • 70
    • 97

    Hot

    • 68
    • 97

    Hot

    • 66
    • 93

    Mostly Sunny

    • 62
    • 85

    Partly Sunny

    • 59
    • 78

    Chance Rain Showers

Today 6 Oct San Diego County Inland Valleys

Sunny, hot. Highs 98 to 102 in the western Valleys to 94 to 99 near the Foothills. Areas of Winds east to 10 Mph becoming west this afternoon.

Tonight 6 Oct San Diego County Inland Valleys

Mostly clear. Lows 67 to 72. Areas of Winds northwest to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Temperature Statistics

October Temperature

Fallbrook Community Airpark (6.8 miles)

  • Lowest 1 October, 2026

    57.2 °F

  • Average October

    81.5 °F

  • Highest 4 October, 2026

    102.2 °F

Climate (2021–2026)

Fallbrook Community Airpark (6.8 miles)

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  • Average Low 2021–2026

    54 °F

  • Average 2021–2026

    62.2 °F

  • Average High 2021–2026

    74.5 °F
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