Santa Rosa Weather Forecast
- 72
- 95
Increasing Clouds
- 67
- 83
Rain Showers Likely
- 62
- 79
Rain Showers Likely
- 64
- 82
Sunny
- 68
- 86
Sunny
- 67
- 87
Sunny
- 67
- 88
Sunny
Today 27 Sep Tohono O'odham Nation including Sells
Partly cloudy. Highs 93 to 98.
Tonight 27 Sep Tohono O'odham Nation including Sells
Partly cloudy with a 10 percent chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows 70 to 75.
Santa Rosa Temperature Statistics
September Temperature
Casa Grande, Casa Grande Municipal Airport (46 miles)
Lowest 8 September, 2026
84 °FAverage September
91.9 °FHighest 8 September, 2026
102.9 °F
Climate (2021–2026)
Casa Grande, Casa Grande Municipal Airport (46 miles)
Average Low 2021–2026
59.2 °FAverage 2021–2026
72.6 °FAverage High 2021–2026
85.4 °F