| NWS Forecast for: Northern Lake Issued by: National Weather Service Eureka, CA Last Update: 136 AM PDT Mon Aug 31 2026 |  |
| Today: Sunny. Highs 76 to 91. Tonight: Mostly clear. Patchy valley fog overnight. Lows 42 to 52. Tuesday: Mostly cloudy. Patchy valley fog in the morning. Highs 62 to 77. Tuesday Night: Partly cloudy. Patchy valley fog. Slight chance of rain showers. Lows 41 to 51. Wednesday: Partly cloudy. Patchy valley fog. Slight chance of rain. Highs 59 to 74. Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Chance of rain. Lows 43 to 53. Thursday: Patchy valley fog. Rain likely. Highs 60 to 75. Thursday Night: Partly cloudy. Slight chance of rain. Lows 42 to 52. Friday: Mostly sunny. Patchy valley fog. Slight chance of rain. Highs 65 to 80. Friday Night Through Sunday: Mostly clear. Lows 42 to 52. Highs 70 to 85. | |
| Zone Forecast: Northern Lake | |
Visit your local NWS office at: https://www.weather.gov/eka |