Arivaca Weather Forecast

    • 68
    • 93

    Mostly Sunny

    • 67
    • 96

    Mostly Sunny

    • 66
    • 94

    Mostly Sunny

    • 65
    • 92

    Isolated Thunderstorms

    • 62
    • 90

    Mostly Sunny

    • 62
    • 92

    Mostly Sunny

Today 8 Sep Upper Santa Cruz River and Altar Valleys including Nogales

Sunny in the Morning, then partly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs 89 to 95.

Tonight 8 Sep Upper Santa Cruz River and Altar Valleys including Nogales

Mostly clear. Lows 65 to 71.

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Arivaca Temperature Statistics

September Temperature

Nogales, Nogales International Airport (30.4 miles)

  • Lowest 3 September, 2025

    66 °F

  • Average September

    74.4 °F

  • Highest 2 September, 2025

    91 °F

Climate (2020–Present)

Nogales, Nogales International Airport (30.4 miles)

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  • Average Low 2020–2025

    50.1 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    81.7 °F
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