Keystone Peak Weather Forecast

    • 35
    • 48

    Sunny

    • 34
    • 48

    Sunny

    • 36
    • 52

    Sunny

    • 33
    • 50

    Mostly Sunny

    • 35
    • 46

    Partly Sunny

    • 35
    • 52

    Mostly Sunny

    • 33
    • 51

    Mostly Sunny

Today 17 Jan Upper Santa Cruz River and Altar Valleys including Nogales

Sunny. Highs 56 to 62.

Tonight 17 Jan Upper Santa Cruz River and Altar Valleys including Nogales

Clear. Lows 26 to 34.

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Keystone Peak Temperature Statistics

January Temperature

Tucson Ryan Field Airport (18 miles)

  • Lowest 14 January, 2025

    21.2 °F

  • Average January

    53.4 °F

  • Highest 3 January, 2025

    84.2 °F

Climate (2020–Present)

Tucson Ryan Field Airport (18 miles)

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  • Average Low 2020–2025

    56.4 °F

  • Average 2020–2025

    73.5 °F

  • Average High 2020–2025

    83.9 °F
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