| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 212 PM MST Wed Mar 25 2026 |  |
| Tonight: Clear. Lows 56 to 62. Thursday: Sunny. Highs 75 to 85. Thursday Night: Clear. Lows 56 to 62. Friday: Mostly sunny. Highs 77 to 87. Friday Night: Windy. Partly cloudy. Lows 51 to 57. East wind 20 to 30 mph after midnight. Saturday: Breezy. Mostly cloudy. Highs 69 to 79. Saturday Night: Mostly cloudy with a 10 percent chance of showers and thunderstorms. Lows 59 to 65. Sunday: Mostly cloudy with chance of showers and slight chance of thunderstorms. Highs 70 to 80. Chance of precipitation 30 percent. Sunday Night: Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows 55 to 61. Chance of precipitation 40 percent. Monday: Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs 70 to 80. Monday Night: Partly cloudy with a 10 percent chance of showers. Lows 55 to 61. Tuesday: Mostly cloudy. Highs 66 to 76. Tuesday Night: Mostly cloudy with a 10 percent chance of showers. Lows 51 to 57. Wednesday: Partly cloudy with a 10 percent chance of showers. Highs 60 to 70. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
Visit your local NWS office at: https://www.weather.gov/twc |