| NWS Forecast for: Upper San Pedro River Valley including Sierra Vista/Benson Issued by: National Weather Service Tucson, AZ Last Update: 212 AM MST Thu May 21 2026 | |
| Today: Sunny. Highs 82 to 87. Tonight: Clear. Lows 51 to 57. Friday: Mostly sunny. Highs 82 to 88. Friday Night: Mostly clear. Lows 52 to 58. Saturday: Sunny. Highs 83 to 89. Saturday Night: Clear. Lows 53 to 59. Sunday: Sunny. Highs 86 to 92. Sunday Night: Mostly clear. Lows 57 to 62. Memorial Day: Partly cloudy with a 10 percent chance of showers and thunderstorms. Highs 86 to 91. Monday Night: Mostly clear. Lows 52 to 58. Tuesday Through Wednesday: Clear. Highs 83 to 89. Lows 50 to 56. | |
| Zone Forecast: Upper San Pedro River Valley including Sierra Vista/Benson | |
Visit your local NWS office at: https://www.weather.gov/twc |