Union City, California Weather
Union City, California — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast for Union City, Alameda County.
Tides, marine forecast and fishing conditions near Union City. Tide source:
Flight conditions near Union City. Data source: locating…
About Union City, California
Union City rests against the foothills of the East Bay hills, a place where the land begins its gentle climb from the flat expanse of the bay lowlands. It lies 3.7 miles north-north-west of Fremont, CA (from Fremont, CA: bearing 333°T), and is situated 6.1 miles south-east of Hayward. The air here carries the faint scent of eucalyptus from the higher elevations, a dry, clean fragrance that mingles with the more urban aromas of asphalt and exhaust. Sunlight, especially in the late afternoon, casts long shadows that stretch across the grid of streets, revealing the subtle undulations of the terrain. You can see the distant shimmer of the bay on clearer days, a constant, quiet presence that shapes the very character of the place, drawing the eye westward. The history of Union City is one of transformation, from agricultural roots to a burgeoning industrial hub that served the needs of a growing region. Early settlers found fertile ground, and for decades, the land yielded crops that fed a hungry state. This agricultural past still whispers in the names of some streets and the occasional open space that resists the relentless march of development. Today, its economy is more diverse, with a strong presence in logistics and manufacturing, a testament to its strategic position near major transportation arteries. The legacy of its hardworking past is evident in the quiet determination of its residents, a people who have always understood the value of labor and the rewards of building something tangible.
Live animated radar for Union City and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Union City, Alameda County, California |
| Coordinates | 37.595833°N, 122.019167°W |
| Timezone | Pacific Time (America/Los_Angeles) |
| ZIP Code(s) | 94587, 94552 |
| Area Code | 510 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Union City, California Weather Page
This page provides live weather conditions and forecasts for Union City, California, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Union City includes coordinates 37.595833°N, 122.019167°W, situated in Alameda County. ZIP code 94587, 94552. Telephone area code: 510. Timezone: Pacific Time (America/Los_Angeles).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
