| NWS Forecast for: Upper Santa Cruz River and Altar Valleys including Nogales Issued by: National Weather Service Tucson, AZ Last Update: 213 PM MST Tue Jan 13 2026 | |
| Tonight: Clear. Lows 34 to 42. Wednesday: Sunny. Highs 68 to 74. Wednesday Night: Clear. Lows 36 to 44. Thursday: Sunny. Highs 69 to 75. Thursday Night: Clear. Lows 37 to 45. Friday: Mostly sunny. Highs 70 to 75. Friday Night: Clear. Lows 37 to 43. Saturday: Sunny. Highs 69 to 75. Saturday Night And Sunday: Mostly clear. Lows 38 to 44. Highs 72 to 77. Sunday Night Through Tuesday: Partly cloudy. Lows 40 to 47. Highs 70 to 76. | |
| Zone Forecast: Upper Santa Cruz River and Altar Valleys including Nogales | |
Visit your local NWS office at: https://www.weather.gov/twc |