Northern California Weather: Warm Halloween Weekend, Early Signs of November Rain on the Horizon

Long-range models hint at a shift toward cooler, wetter conditions heading into mid-November.

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Sacramento, CA — A still, golden dawn spreads across the Central Valley, mist hovering low over open fields as another mild morning begins. It’s calm and quiet now, but early November is beginning to whisper a different tune.

High pressure remains firmly in control across Northern California, keeping skies clear and temperatures comfortably warm. Highs near 77°F are expected through the weekend, with light winds and dry air providing perfect conditions for outdoor plans and late-fall chores. Friday and Saturday will feel nearly identical — crisp mornings near 50°F followed by sun-filled afternoons.

This dry spell, however, may not last much longer. By mid to late next week, computer models show a potential shift toward cooler and wetter weather. While Sacramento stays dry for now, areas north of Redding and into southern Oregon could see the first signs of returning Pacific moisture as early as Wednesday.

Residents should use this calm stretch to prepare yards, gutters, and gardens before the next round of storms sets in. Outdoor events, travel along I-80, and Halloween cleanup plans will all benefit from the dry window through Sunday.

After that, temperatures look to trend downward, with daytime highs likely dipping into the upper 60s by next Wednesday. Longer-term outlooks even suggest early snow potential in the Sierra Nevada between November 8–15 — the season’s first real test for mountain passes and travelers.

For now, Sacramento sits squarely in California’s late-autumn comfort zone — mild, bright, and deceptively peaceful before the winter pattern stirs awake.