| NWS Forecast for: Western Pima County Including Ajo/Organ Pipe Cactus National Monument Issued by: National Weather Service Tucson, AZ Last Update: 359 AM MST Sun Sep 20 2026 | |
| Today: Partly cloudy in the morning then becoming mostly sunny. Highs 97 to 102. Tonight: Partly cloudy. Lows 74 to 79. Monday: Partly cloudy. Highs 95 to 100. Monday Night: Mostly clear. Lows 71 to 76. Tuesday: Mostly sunny. Highs 96 to 101. Tuesday Night: Mostly clear. Lows 72 to 77. Wednesday: Mostly sunny. Highs 98 to 103. Wednesday Night: Mostly clear. Lows 75 to 80. Thursday And Thursday Night: Mostly clear. A 10 percent chance of showers and thunderstorms. Highs 99 to 104. Lows 77 to 82. Friday: Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs 99 to 104. Friday Night And Saturday: Mostly clear. A 10 percent chance of showers and thunderstorms. Lows 77 to 82. Highs 99 to 104. | |
| Zone Forecast: Western Pima County Including Ajo/Organ Pipe Cactus National Monument | |
Visit your local NWS office at: https://www.weather.gov/twc |