| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 213 PM MST Fri Oct 3 2025 |  |
| Tonight: Mostly clear. Lows 54 to 62. Saturday: Mostly sunny. Highs 68 to 80. Saturday Night: Mostly clear. Lows 48 to 56. Sunday: Mostly sunny. Highs 67 to 79. Sunday Night: Mostly clear. Lows 49 to 57. Monday: Mostly sunny. Highs 70 to 82. Monday Night: Mostly clear. Lows 53 to 61. Tuesday: Partly cloudy. Highs 72 to 84. Tuesday Night And Wednesday: Mostly clear. Lows 55 to 63. Highs 73 to 83. Wednesday Night: Partly cloudy. Lows 57 to 65. Thursday Through Friday: Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs 70 to 82. Lows 56 to 64. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
Visit your local NWS office at: https://www.weather.gov/twc |