| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 1019 PM MST Tue Mar 17 2026 | |
| Rest Of Tonight: Clear. Lows 54 to 60. Wednesday: Sunny. Highs 74 to 84. Wednesday Night: Clear. Lows 57 to 63. Thursday: Sunny, warmer. Highs 80 to 90. Thursday Night: Clear. Lows 59 to 65. Friday: Sunny. Highs 80 to 92. Friday Night: Clear. Lows 59 to 65. Saturday: Sunny. Highs 80 to 92. Saturday Night: Clear. Lows 58 to 64. Sunday: Mostly sunny. Highs 78 to 88. Sunday Night: Partly cloudy. Lows 56 to 62. Monday Through Tuesday: Mostly clear. Highs 73 to 85. Lows 55 to 61. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
Visit your local NWS office at: https://www.weather.gov/twc |