Sierra Vista Weather Forecast
- 66
- 89
Slight Chance Thunderstorms
- 65
- 86
Chance Thunderstorms
- 65
- 83
Chance Thunderstorms
- 65
- 85
Chance Thunderstorms
- 66
- 86
Chance Thunderstorms
- 67
- 87
Slight Chance Thunderstorms
Today 15 Sep Upper San Pedro River Valley including Sierra Vista/Benson
Mostly sunny in the Morning, then partly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs 87 to 93.
Tonight 15 Sep Upper San Pedro River Valley including Sierra Vista/Benson
Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows 62 to 68.
Sierra Vista Temperature Statistics
September Temperature
Fort Huachuca, Libby AAF Ft Huachuca (3.7 miles)
Lowest 5 September, 2025
63.7 °FAverage September
76.6 °FHighest 9 September, 2025
93.6 °F
Climate (2020–Present)
Fort Huachuca, Libby AAF Ft Huachuca (3.7 miles)
Average Low 2020–2025
53.1 °FAverage 2020–2025
65.4 °FAverage High 2020–2025
77.1 °F