| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 158 PM MST Mon Oct 26 2026 | |
| Tonight: Mostly clear. Lows 46 to 52. Tuesday: Mostly sunny. Highs 63 to 71. Tuesday Night: Mostly clear. Lows 47 to 53. Wednesday: Mostly sunny. Highs 63 to 71. Wednesday Night: Partly cloudy. Lows 49 to 55. Thursday: Mostly cloudy. Highs 63 to 71. Thursday Night: Mostly cloudy with a 40 percent chance of showers. Lows 49 to 55. Friday: Showers and chance of thunderstorms. Highs 56 to 64. Friday Night: Showers and slight chance of thunderstorms. Lows 47 to 53. Saturday: Mostly cloudy with a 20 percent chance of showers. Highs 55 to 63. Saturday Night: Showers likely. Lows 47 to 53. Chance of precipitation 60 percent. Sunday: Showers. Highs 50 to 58. Sunday Night: Showers likely and slight chance of thunderstorms. Lows 43 to 49. Chance of precipitation 60 percent. Monday: Partly cloudy with a 40 percent chance of showers. Highs 49 to 57. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
Visit your local NWS office at: https://www.weather.gov/twc |