Rio Rico Northwest Weather Forecast

    • 64
    • 79

    Thunderstorms Likely

    • 63
    • 80

    Rain Showers Likely

    • 63
    • 84

    Thunderstorms Likely

    • 64
    • 89

    Mostly Sunny

    • 64
    • 92

    Sunny

    • 65
    • 94

    Sunny

Today 4 Sep Upper Santa Cruz River and Altar Valleys including Nogales

Chance of Showers and slight chance of Thunderstorms in the Morning, then Showers likely and chance of Thunderstorms in the afternoon. Highs 76 to 82. Chance of precipitation 70 percent.

Tonight 4 Sep Upper Santa Cruz River and Altar Valleys including Nogales

Showers likely and chance of Thunderstorms in the Evening, then Showers likely and slight chance of Thunderstorms after midnight. Lows 61 to 66. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Rico Northwest Temperature Statistics

September Temperature

Nogales, Nogales International Airport (11.2 miles)

  • Lowest 1 September, 2025

    71.1 °F

  • Average September

    75.8 °F

  • Highest 1 September, 2025

    80.1 °F

Climate (2020–Present)

Nogales, Nogales International Airport (11.2 miles)

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  • Average Low 2020–2025

    50.1 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    81.8 °F
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