| NWS Forecast for: Southern Trinity Issued by: National Weather Service Eureka, CA Last Update: 136 PM PDT Mon May 18 2026 |  |
| Tonight: Clear. Lows 39 to 49. Tuesday: Sunny. Highs 71 to 86. Tuesday Night: Partly cloudy. Lows 44 to 54. Wednesday: Sunny. Highs 74 to 89. Wednesday Night And Thursday: Mostly clear. Lows 47 to 57. Highs 80 to 95. Thursday Night: Clear. Lows 48 to 58. Friday Through Sunday Night: Mostly clear. Highs 78 to 93. Lows 46 to 56. Memorial Day: Sunny. Highs 67 to 82. | |
| Zone Forecast: Southern Trinity | |
Visit your local NWS office at: https://www.weather.gov/eka |