| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 148 AM MST Tue Sep 2 2025 |  |
| Today: Partly cloudy. A 10 percent chance of showers and thunderstorms in the afternoon. Highs 77 to 87. Tonight: Mostly cloudy with a 10 percent chance of showers and thunderstorms. Lows 61 to 69. Wednesday: Partly cloudy in the morning, then mostly cloudy with a 40 percent chance of showers and thunderstorms in the afternoon. Highs 76 to 86. Wednesday Night: Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 60 to 68. Thursday: Showers likely and chance of thunderstorms. Highs 71 to 81. Chance of precipitation 60 percent. Thursday Night: Showers likely and chance of thunderstorms. Lows 57 to 65. Chance of precipitation 60 percent. Friday: Showers likely and chance of thunderstorms. Highs 66 to 76. Chance of precipitation 70 percent. Friday Night: Showers likely and chance of thunderstorms. Lows 55 to 63. Chance of precipitation 60 percent. Saturday: Showers likely and chance of thunderstorms. Highs 67 to 77. Chance of precipitation 70 percent. Saturday Night: Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows 57 to 65. Sunday: Partly cloudy with a 30 percent chance of showers and thunderstorms. Highs 70 to 80. Sunday Night And Monday: Mostly clear. A 10 percent chance of showers and thunderstorms. Lows 57 to 65. Highs 73 to 83. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
Visit your local NWS office at: https://www.weather.gov/twc |