Sun City Grand Weather Forecast

    • 86
    • 107

    Hot

    • 86
    • 108

    Hot

    • 87
    • 107

    Hot

    • 86
    • 108

    Slight Chance Thunderstorms

    • 84
    • 104

    Slight Chance Thunderstorms

    • 83
    • 101

    Slight Chance Thunderstorms

Today 7 Sep Northwest Valley

Mostly sunny and hot. Highs 103 to 107. Northwest wind 5 to 15 Mph.

Tonight 7 Sep Northwest Valley

Partly cloudy. Lows 80 to 87. Northwest wind 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sun City Grand Temperature Statistics

September Temperature

Luke Air Force Base / Phoenix (8.7 miles)

  • Lowest 1 September, 2026

    80.2 °F

  • Average September

    93.3 °F

  • Highest 4 September, 2026

    103.5 °F

Climate (2021–2026)

Luke Air Force Base / Phoenix (8.7 miles)

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  • Average Low 2021–2026

    63.4 °F

  • Average 2021–2026

    75.4 °F

  • Average High 2021–2026

    87.1 °F
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