Union City Weather Forecast
- 56
- 75
Chance Rain Showers
- 56
- 70
Slight Chance Thunderstorms
- 56
- 71
Mostly Cloudy
- 56
- 72
Partly Sunny
- 55
- 69
Mostly Cloudy
- 55
- 68
Partly Sunny
Today 5 Jun San Francisco Bay Shoreline
Mostly cloudy. A slight chance of Showers in the afternoon. Highs in the upper 60s to mid 70s. Southwest Winds 10 to 20 Mph.
Tonight 5 Jun San Francisco Bay Shoreline
Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers and a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce small hail after midnight. Lows in the mid 50s. Southwest Winds 10 to 20 Mph.
Union City Temperature Statistics
June Temperature
Hayward, Hayward Air Terminal (6.2 miles)
Lowest 1 June, 2023
53.1 °FAverage June
58.6 °FHighest 2 June, 2023
69.1 °F
Climate (2010–Present)
Hayward, Hayward Air Terminal (6.2 miles)
Average Low 2010–Present
50.9 °FAverage 2010–Present
58 °FAverage High 2010–Present
67.5 °F