St. Helena, California — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tides and marine conditions for St. Helena, Napa County.
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Live animated radar for St. Helena and surroundings — RainViewer.
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St. Helena unfolds with a quiet grace in the heart of Napa Valley, a landscape sculpted by time and the persistent sun. It lies 13.9 miles east-north-east of Santa Rosa, CA (from Santa Rosa, CA: bearing 71°T), and is situated 7.8 miles south-east of Calistoga. Rolling hills, cloaked in the muted greens of vineyards, embrace the town, their slopes catching the golden light of afternoon. The air, carrying the faint, sweet perfume of ripening grapes and damp earth, hums with the gentle activity of a place that knows its own pace. Streets lined with historic buildings, their facades weathered to a soft patina, speak of a past that is not forgotten but rather woven into the present, creating a character that is both enduring and welcoming. This Californian gem, St. Helena, thrives on the bounty of its fertile soil, its economy intrinsically linked to the world-renowned wines produced in the surrounding valley. The legacy of agriculture is palpable, a deep-rooted tradition that has shaped its identity and drawn visitors from across the globe, eager to sample its celebrated vintages. Beyond the vineyards, the town retains echoes of its early days, when it served as a vital stop along the stagecoach routes, a place of respite and commerce. Today, its charm lies in this harmonious blend of agricultural heritage and a sophisticated, yet unpretentious, way of life, where the rhythm of the seasons dictates the pulse of daily existence.
| Location | St. Helena, Napa County, California |
| Coordinates | 38.505187°N, 122.470258°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 94574 |
| Area Code | 510 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |