Keystone Peak Weather Forecast

    • 34
    • 45

    Becoming Sunny

    • 39
    • 55

    Sunny

    • 48
    • 63

    Mostly Sunny

    • 50
    • 66

    Sunny

    • 53
    • 71

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

Today 30 Jan Upper Santa Cruz River and Altar Valleys including Nogales

Mostly sunny. Warmer. Areas of frost and patchy fog in the morning. Highs 53 to 59.

Tonight 30 Jan Upper Santa Cruz River and Altar Valleys including Nogales

Clear. Lows 25 to 33.

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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

    56.3 °F
  • Average 2020–2025

    73.4 °F
  • Average High 2020–2025

    83.9 °F
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