Keystone Peak Weather Forecast

    • 46
    • 63

    Becoming Sunny

    • 47
    • 64

    Mostly Sunny

    • 50
    • 68

    Mostly Sunny

    • 46
    • 63

    Partly Sunny

    • 45
    • 59

    Partly Sunny

    • 45
    • 59

    Partly Sunny

Today 29 Mar Upper Santa Cruz River and Altar Valleys including Nogales

Breezy. Partly cloudy in the morning then clearing. Highs 72 to 77. Southwest wind 15 to 25 Mph in the afternoon.

Tonight 29 Mar Upper Santa Cruz River and Altar Valleys including Nogales

Mostly clear. Lows 40 to 46.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Peak Temperature Statistics

March Temperature

Tucson Ryan Field Airport (18 miles)

  • Lowest 9 March, 2025

    35.6 °F

  • Average March

    65.4 °F

  • Highest 25 March, 2025

    95 °F

Climate (2020–Present)

Tucson Ryan Field Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    56.3 °F

  • Average 2020–2025

    73.6 °F

  • Average High 2020–2025

    84.2 °F
Get WillyWeather+ to remove ads