Sun City Grand Weather Forecast
- 82
- 101
Hot
- 80
- 97
Chance Thunderstorms
- 80
- 97
Chance Rain Showers
- 80
- 98
Hot
- 79
- 101
Hot
- 81
- 103
Hot
- 82
- 105
Hot
Today 17 Sep Northwest Valley
Partly sunny. Highs 97 to 102. West wind 5 to 10 Mph.
Tonight 17 Sep Northwest Valley
Partly cloudy in the Evening, then considerable cloudiness with a slight chance of Showers and Thunderstorms after midnight. Lows 76 to 83. Southwest wind 5 to 10 Mph. Chance of rain 10 percent.
Sun City Grand Temperature Statistics
September Temperature
Luke Air Force Base / Phoenix (8.7 miles)
Lowest 14 September, 2025
69.3 °FAverage September
90.2 °FHighest 9 September, 2025
104.5 °F
Climate (2020–Present)
Luke Air Force Base / Phoenix (8.7 miles)
Average Low 2020–2025
62.4 °FAverage 2020–2025
74.7 °FAverage High 2020–2025
86.5 °F