JaM Cellars

United States: California

JaM Cellars is a family-owned winery in downtown Napa, California that offers wine tastings and live music. The winery is known for its fun, relaxed atmosphere and music-focused vibe.

Official website

Map data © OpenStreetMap contributors. Location is approximate.

Thinking of visiting? Here’s the upcoming weather for this winery.

Weather in United States: California, May 4, 2026 – May 7, 2026

Mon

2026-05-04

Clear

High 75°F · Low 57°F

Tue

2026-05-05

Partly cloudy

High 82°F · Low 57°F

Wed

2026-05-06

Cloudy

High 75°F · Low 59°F

Thu

2026-05-07

Light rain

High 55°F · Low 48°F

Numerical forecast from 7Timer! (GFS-based). Temperatures shown in °F (converted from model °C). Provided as-is for non-commercial use; see 7Timer documentation.

Wine releases by year

2025

  • NV California Butter Chardonnay (1/14/2025, $17) (1/14/2025, $17)
  • 2024 California Butter Sauvignon Blanc

2024

  • 2023 California Butter Sauvignon Blanc, 2022 California Butter Pinot Noir

2022

  • NV California Butter Bubbles Sparkling Wine ($16) ($16)

2021

  • 2018 Napa Valley Pinot Noir (200 cases, $40) (200 cases, $40)