Sun City Grand Weather Forecast

    • 88
    • 109

    Hot

    • 89
    • 113

    Hot

    • 91
    • 113

    Hot

    • 86
    • 111

    Chance Thunderstorms

    • 85
    • 108

    Chance Thunderstorms

    • 85
    • 106

    Slight Chance Thunderstorms

    • 85
    • 106

    Slight Chance Thunderstorms

Today 6 Aug Northwest Valley

Partly cloudy. Highs 105 to 109. Northwest wind 5 to 10 Mph in the morning becoming west 5 to 15 Mph in the afternoon.

Tonight 6 Aug Northwest Valley

Partly cloudy. Lows 81 to 90. West wind 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sun City Grand Temperature Statistics

August Temperature

Luke Air Force Base / Phoenix (8.7 miles)

  • Lowest 4 August, 2026

    91.4 °F

  • Average August

    103.6 °F

  • Highest 1 August, 2026

    115.5 °F

Climate (2021–2026)

Luke Air Force Base / Phoenix (8.7 miles)

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  • Average Low 2021–2026

    63.3 °F

  • Average 2021–2026

    75.3 °F

  • Average High 2021–2026

    86.9 °F
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