Keystone Peak Weather Forecast

    • 49
    • 63

    Chance Rain Showers

    • 45
    • 62

    Mostly Sunny

    • 57
    • 69

    Windy

    • 50
    • 61

    Windy

    • 50
    • 60

    Slight Chance Thunderstorms

    • 54
    • 67

    Mostly Sunny

    • 55
    • 69

    Mostly Sunny

Today 13 Oct Upper Santa Cruz River and Altar Valleys including Nogales

Breezy. Mostly sunny with a 10 percent chance of Showers and Thunderstorms. Highs 75 to 80.

Tonight 13 Oct Upper Santa Cruz River and Altar Valleys including Nogales

Partly cloudy. Chance of Showers and slight chance of Thunderstorms in the evening. Lows 50 to 55. Chance of precipitation 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Peak Temperature Statistics

October Temperature

Tucson Ryan Field Airport (18 miles)

  • Lowest 1 October, 2026

    60.8 °F

  • Average October

    83.8 °F

  • Highest 8 October, 2026

    98.6 °F

Climate (2021–2026)

Tucson Ryan Field Airport (18 miles)

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

  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    74.3 °F

  • Average High 2021–2026

    84.7 °F
Get WillyWeather+ to remove ads