| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 214 AM MST Wed Aug 26 2026 | |
| Today: Mostly sunny in the morning then becoming partly cloudy. Highs 87 to 97. Tonight: Partly cloudy. Lows 69 to 75. Thursday: Partly cloudy. Highs 85 to 95. Thursday Night: Partly cloudy with a 10 percent chance of showers and thunderstorms. Lows 69 to 75. Friday: Mostly sunny. Highs 84 to 94. Friday Night: Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows 67 to 73. Saturday: Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs 82 to 90. Saturday Night: Showers likely and chance of thunderstorms. Lows 64 to 70. Chance of precipitation 60 percent. Sunday: Showers and thunderstorms likely. Highs 77 to 85. Chance of precipitation 60 percent. Sunday Night: Showers likely and chance of thunderstorms. Lows 62 to 68. Chance of precipitation 60 percent. Monday: Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs 75 to 83. Monday Night: Partly cloudy with a 40 percent chance of showers and thunderstorms. Lows 62 to 68. Tuesday: Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs 77 to 85. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
Visit your local NWS office at: https://www.weather.gov/twc |