Today 4 Dec San Francisco Bay Shoreline
Partly cloudy in the morning then becoming sunny. Highs in the mid 60s. Northwest Winds up to 5 Mph.
Tonight 4 Dec San Francisco Bay Shoreline
Mostly clear. Lows in the lower 40s. Northwest Winds around 5 Mph. Becoming southeast after midnight.
Union City Temperature Statistics
Hayward, Hayward Air Terminal (6.2 miles)
Lowest 1 December, 202042.1 °F
Average December51.4 °F
Highest 2 December, 202064.9 °F
Hayward, Hayward Air Terminal (6.2 miles)Take a look at our website widgetsAvailable free! Find Out More
Average Low 2010–Present52.7 °F
Average 2010–Present59.7 °F
Average High 2010–Present69.2 °F