Rio Rico Northwest Weather Forecast
- 62
- 88
Chance Thunderstorms
- 60
- 84
Rain Showers Likely
- 60
- 88
Chance Thunderstorms
- 61
- 90
Slight Chance Thunderstorms
- 63
- 91
Partly Sunny
- 63
- 90
Slight Chance Thunderstorms
- 61
- 87
Chance Thunderstorms
Today 22 Sep Upper Santa Cruz River and Altar Valleys including Nogales
Mostly cloudy with a 30 percent chance of Showers and Thunderstorms. Highs 82 to 87.
Tonight 22 Sep Upper Santa Cruz River and Altar Valleys including Nogales
Mostly cloudy. Chance of Showers and Thunderstorms in the Evening, then chance of Showers and slight chance of Thunderstorms after midnight. Lows 62 to 67. Chance of precipitation 50 percent.
Rio Rico Northwest Temperature Statistics
September Temperature
Nogales, Nogales International Airport (11.2 miles)
Lowest 19 September, 2026
58.6 °FAverage September
78.7 °FHighest 7 September, 2026
95.6 °F
Climate (2021–2026)
Nogales, Nogales International Airport (11.2 miles)
Average Low 2021–2026
50.7 °FAverage 2021–2026
66.2 °FAverage High 2021–2026
82.1 °F