Keystone Peak Weather Forecast

    • 53
    • 69

    Mostly Sunny

    • 51
    • 73

    Sunny

    • 52
    • 72

    Sunny

    • 52
    • 74

    Sunny

    • 40
    • 63

    Breezy

    • 43
    • 59

    Mostly Sunny

    • 45
    • 61

    Mostly Sunny

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

Sunny. Highs 77 to 83.

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

Mostly clear. Lows 45 to 53.

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Keystone Peak Temperature Statistics

April Temperature

Tucson Ryan Field Airport (18 miles)

  • Lowest 3 April, 2025

    39.2 °F

  • Average April

    73.6 °F

  • Highest 11 April, 2025

    100.4 °F

Climate (2020–Present)

Tucson Ryan Field Airport (18 miles)

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  • Average Low 2020–2025

    56.3 °F

  • Average 2020–2025

    73.6 °F

  • Average High 2020–2025

    84.2 °F
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