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Persistent Valley Fog Keeps Northern California Cool as Weekend Pattern Shift Nears

A north wind Sunday is expected to mix out trapped valley moisture to allow slight warming next week.

Overview

  • Morning fog again reduced visibility across the Sacramento Valley and nearby foothills, with valley skies staying mostly gray into the afternoon.
  • Downtown Sacramento’s high was forecast near 52°F, well below the typical 60°F for late November, with a very small day‑night temperature range reported.
  • Areas above the fog bank saw more sunshine and warmer readings, while the Sierra is expected to dip from near 50°F to the mid‑40s by Sunday.
  • A dense fog advisory for the Central Valley was posted through 10 a.m. Friday as light winds and near‑dew‑point conditions sustained the stratus.
  • Forecasters expect a dry north breeze Sunday to help scour the fog and lift valley highs toward the upper 50s to low 60s next week, with the seven‑day outlook staying mostly dry.