San Tan Valley Weather Forecast

    • 42
    • 74

    Mostly Sunny

    • 42
    • 72

    Partly Sunny

    • 40
    • 73

    Mostly Sunny

    • 42
    • 72

    Mostly Sunny

    • 46
    • 73

    Partly Sunny

    • 46
    • 71

    Partly Sunny

Today 18 Jan Northwest Pinal County

Sunny. Highs 70 to 75. Northeast wind around 5 Mph.

Tonight 18 Jan Northwest Pinal County

Partly cloudy in the evening then becoming mostly clear. Lows 35 to 45. North wind around 5 Mph in the evening becoming southeast after midnight.

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  • Temperature Real-Time

San Tan Valley Temperature Statistics

January Temperature

Phoenix-Mesa Gateway Airport (10.6 miles)

  • Lowest 9 January, 2026

    35.6 °F

  • Average January

    53.7 °F

  • Highest 14 January, 2026

    77 °F

Climate (2021–Present)

Phoenix-Mesa Gateway Airport (10.6 miles)

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  • Average Low 2021–2026

    60.4 °F

  • Average 2021–2026

    70.5 °F

  • Average High 2021–2026

    85.5 °F
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