Sun Valley Weather Forecast

    • 60
    • 88

    Slight Chance Thunderstorms

    • 57
    • 83

    Chance Thunderstorms

    • 55
    • 86

    Slight Chance Thunderstorms

    • 56
    • 89

    Sunny

    • 56
    • 92

    Mostly Sunny

    • 58
    • 93

    Mostly Sunny

Today 21 Jul Little Colorado River Valley in Navajo County

Partly cloudy. A 20 percent chance of Thunderstorms in the late morning and afternoon. Highs around 88. Light Winds becoming southwest around 15 Mph in the afternoon.

Tonight 21 Jul Little Colorado River Valley in Navajo County

Partly cloudy with a slight chance of Thunderstorms in the evening. Mostly cloudy with a slight chance of rain Showers after midnight. Lows around 60. Southwest Winds around 15 Mph in the evening becoming light. Chance of precipitation 20 percent.

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Sun Valley Temperature Statistics

July Temperature

Winslow, Winslow Municipal Airport (37.3 miles)

  • Lowest 4 July, 2025

    56.6 °F

  • Average July

    81 °F

  • Highest 9 July, 2025

    104.6 °F

Climate (2020–Present)

Winslow, Winslow Municipal Airport (37.3 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    74.3 °F
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