| NWS Forecast for: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven Issued by: National Weather Service Tucson, AZ Last Update: 238 PM MST Tue Aug 4 2026 |  |
Tonight: Mostly cloudy. Patchy blowing dust in the evening. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight. Lows 64 to 70. Chance of precipitation 30 percent. Wednesday: Partly cloudy in the morning, then mostly sunny with a 10 percent chance of showers and thunderstorms in the afternoon. Highs 78 to 88. Wednesday Night: Mostly cloudy. A 30 percent chance of showers and thunderstorms in the evening. Lows 64 to 70. Thursday: Partly cloudy. Highs 80 to 90. Thursday Night: Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 65 to 71. Friday: Partly cloudy. Highs 81 to 91. Friday Night: Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 65 to 71. Saturday: Partly cloudy. Highs 82 to 92. Saturday Night: Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows 65 to 71. Sunday: Partly cloudy. Highs 81 to 91. Sunday Night: Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 64 to 70. Monday: Partly cloudy. Highs 78 to 88. Monday Night: Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 63 to 69. Tuesday: Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs 76 to 86. | |
| Zone Forecast: Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven | |
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