| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 212 PM MST Mon Oct 5 2026 |  |
| Tonight: Mostly clear. Lows 55 to 61. Tuesday: Mostly sunny. Highs 72 to 80. Tuesday Night: Mostly clear. Lows 58 to 64. Wednesday: Mostly sunny. Highs 73 to 81. Wednesday Night: Mostly clear. Lows 58 to 64. Thursday: Mostly sunny. Highs 72 to 80. Thursday Night: Mostly clear. Lows 56 to 62. Friday: Breezy. Mostly sunny. Highs 70 to 78. Friday Night And Saturday: Breezy. Mostly clear. Lows 55 to 61. Highs 69 to 77. Saturday Night: Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows 55 to 61. Sunday And Sunday Night: Partly cloudy with chance of showers and slight chance of thunderstorms. Highs 66 to 74. Lows 52 to 58. Chance of precipitation 30 percent. Columbus Day: Mostly cloudy with chance of showers and slight chance of thunderstorms. Highs 63 to 71. Chance of precipitation 30 percent. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
Visit your local NWS office at: https://www.weather.gov/twc |