| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 212 PM MST Thu May 7 2026 |  |
| Tonight: Mostly clear. Lows 50 to 56. Friday: Sunny, warmer. Highs 70 to 82. Friday Night: Clear. Lows 56 to 62. Saturday: Sunny. Highs 74 to 86. Saturday Night: Clear. Lows 58 to 64. Sunday: Sunny. Highs 77 to 89. Sunday Night: Clear. Lows 61 to 67. Monday: Sunny. Highs 80 to 92. Monday Night: Partly cloudy. Lows 63 to 69. Tuesday: Mostly sunny. Highs 78 to 90. Tuesday Night Through Wednesday Night: Partly cloudy. Lows 58 to 67. Highs 75 to 87. Thursday: Mostly sunny. Highs 73 to 85. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
Visit your local NWS office at: https://www.weather.gov/twc |