Arivaca Weather Forecast

    • 65
    • 90

    Decreasing Clouds

    • 66
    • 91

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

    • 65
    • 92

    Mostly Sunny

    • 65
    • 90

    Mostly Sunny

    • 63
    • 88

    Slight Chance Thunderstorms

    • 60
    • 84

    Chance Rain Showers

Today 5 Oct Upper Santa Cruz River and Altar Valleys including Nogales

Partly cloudy. Highs 85 to 91.

Tonight 5 Oct Upper Santa Cruz River and Altar Valleys including Nogales

Partly cloudy. Lows 62 to 68.

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  • Temperature Real-Time

Arivaca Temperature Statistics

October Temperature

Nogales, Nogales International Airport (30.4 miles)

  • Lowest 1 October, 2026

    52.6 °F

  • Average October

    71.2 °F

  • Highest 3 October, 2026

    84 °F

Climate (2021–2026)

Nogales, Nogales International Airport (30.4 miles)

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  • Average Low 2021–2026

    50.7 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    82.2 °F
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