Harshaw Weather Forecast

    • 59
    • 77

    Thunderstorms Likely

    • 61
    • 84

    Partly Sunny

    • 61
    • 88

    Mostly Sunny

    • 60
    • 87

    Sunny

    • 61
    • 86

    Mostly Sunny

    • 61
    • 85

    Slight Chance Thunderstorms

    • 60
    • 84

    Slight Chance Thunderstorms

Today 16 Sep Upper Santa Cruz River and Altar Valleys including Nogales

Showers with Thunderstorms likely. Some Thunderstorms may produce heavy rainfall. Highs 77 to 82.

Tonight 16 Sep Upper Santa Cruz River and Altar Valleys including Nogales

Showers likely and chance of Thunderstorms in the Evening, then chance of Showers and slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows 62 to 67. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harshaw Temperature Statistics

September Temperature

Nogales, Nogales International Airport (8.7 miles)

  • Lowest 1 September, 2026

    59.6 °F

  • Average September

    79.5 °F

  • Highest 7 September, 2026

    95.6 °F

Climate (2021–2026)

Nogales, Nogales International Airport (8.7 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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