Phoenix South Mountain Park Weather Forecast

    • 49
    • 74

    Sunny

    • 53
    • 71

    Partly Sunny

    • 57
    • 74

    Mostly Cloudy

    • 52
    • 69

    Chance Rain Showers

    • 47
    • 65

    Slight Chance Rain Showers

    • 44
    • 65

    Mostly Sunny

    • 46
    • 67

    Partly Sunny

Today 20 Jan South Mountain/Ahwatukee

Sunny. Highs 72 to 75. West wind around 5 Mph.

Tonight 20 Jan South Mountain/Ahwatukee

Clear. Lows 39 to 48. Light wind in the evening becoming northeast around 5 Mph after midnight.

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  • Temperature Real-Time

Phoenix South Mountain Park Temperature Statistics

January Temperature

Phoenix, Phoenix Sky Harbor International Airport (6.2 miles)

  • Lowest 10 January, 2026

    39.9 °F

  • Average January

    60.4 °F

  • Highest 14 January, 2026

    80.1 °F

Climate (2021–Present)

Phoenix, Phoenix Sky Harbor International Airport (6.2 miles)

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  • Average Low 2021–2026

    66.3 °F

  • Average 2021–2026

    77.5 °F

  • Average High 2021–2026

    88.9 °F
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