Union City, CA Weather Forecast

Coastal Flood Advisory

Today's Weather

Tue, Sep 8

Abundant sunshine and toasty conditions; caution advised if doing strenuous activities outside Hi: 91°

Tonight: Partly cloudy and warm Lo: 67°

Current Weather

6:10 PM

Looking Ahead

Danger of dehydration and heat stroke if outside for extended periods of time tomorrow. Record-breaking high temperatures tomorrow. Record-breaking low temperatures Saturday night.

Union City Weather Radar

Static Radar Temporarily Unavailable

Thank you for your patience as we work to get everything up and running again.

Refresh Page

Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

9/8

91° 67°

Hot with sunshine

Night: Partly cloudy and warm

Wed

9/9

98° 70°

Very hot

Mainly clear and warm

Thu

9/10

88° 63°

Mostly sunny and very warm

Mainly clear

Fri

9/11

78° 58°

Sunshine and not as warm

Areas of low clouds

Sat

9/12

72° 54°

Breezy in the afternoon

Breezy early; partly cloudy

Sun

9/13

76° 56°

Breezy in the afternoon

Breezy early; partly cloudy

Mon

9/14

77° 56°

Partly sunny

Areas of low clouds

Tue

9/15

76° 58°

Partly sunny

Areas of low clouds

Wed

9/16

75° 57°

Mostly sunny

Partly cloudy

Thu

9/17

76° 57°

Mostly cloudy

Sun & Moon

12 hrs 43 mins

Rise 6:44 AM

Set 7:27 PM

Waning Crescent

Rise 3:51 AM

Set 6:13 PM

Air Quality

Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.