Rio Rico Southeast Weather Forecast

    • 65
    • 88

    Chance Thunderstorms

    • 63
    • 84

    Thunderstorms

    • 65
    • 90

    Partly Sunny

    • 65
    • 94

    Mostly Sunny

    • 64
    • 94

    Slight Chance Thunderstorms

    • 64
    • 92

    Slight Chance Thunderstorms

Today 15 Sep Upper Santa Cruz River and Altar Valleys including Nogales

Mostly cloudy with a 40 percent chance of Showers and Thunderstorms. Highs 83 to 89.

Tonight 15 Sep Upper Santa Cruz River and Altar Valleys including Nogales

Mostly cloudy. Chance of Showers and Thunderstorms in the Evening, then chance of Showers and slight chance of Thunderstorms after midnight. Lows 64 to 69. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Rico Southeast Temperature Statistics

September Temperature

Nogales, Nogales International Airport (6.2 miles)

  • Lowest 1 September, 2026

    59.6 °F

  • Average September

    79.7 °F

  • Highest 7 September, 2026

    95.6 °F

Climate (2021–2026)

Nogales, Nogales International Airport (6.2 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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