Current Weather Forecast for Union City

CA 94587  |   10:21pm

Weather Conditions

44°

Feels Like 44°

Clear

43° 59°

0

UV Index

Good

Air Quality

E 2 mph

Wind

0 in

rain

Tonight

Sat 12/27

42°

Lowest Temperature

6%

A few passing clouds. Low 42F. Winds light and variable.

Tomorrow

Sun 12/28

58°

Highest Temperature

10%

Abundant sunshine. High 58F. Winds light and variable.

Tomorrow night

Sun 12/28

40°

Lowest Temperature

5%

Clear. Low around 40F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Union City

Hourly Weather Forecast & Temperature

11PM

2%

44°

Feels Like 44°

Clear

ENE 2 mph

Wind

1024 mb

Pressure

91%

Humidity

0

UV Index

10mi

Visibility

13%

Cloud Cover

12AM

4%

44°

Feels Like 44°

Mostly Clear

ENE 2 mph

Wind

1024 mb

Pressure

92%

Humidity

0

UV Index

10mi

Visibility

21%

Cloud Cover

1AM

5%

43°

Feels Like 43°

Mostly Clear

NE 2 mph

Wind

1024 mb

Pressure

92%

Humidity

0

UV Index

10mi

Visibility

20%

Cloud Cover

2AM

2%

44°

Feels Like 44°

Partly Cloudy

ENE 2 mph

Wind

1025 mb

Pressure

91%

Humidity

0

UV Index

10mi

Visibility

36%

Cloud Cover

3AM

2%

43°

Feels Like 43°

Partly Cloudy

ENE 2 mph

Wind

1025 mb

Pressure

91%

Humidity

0

UV Index

10mi

Visibility

42%

Cloud Cover

4AM

4%

43°

Feels Like 43°

Partly Cloudy

ENE 2 mph

Wind

1025 mb

Pressure

91%

Humidity

0

UV Index

10mi

Visibility

48%

Cloud Cover

5AM

5%

43°

Feels Like 43°

Mostly Cloudy

NE 2 mph

Wind

1025 mb

Pressure

91%

Humidity

0

UV Index

10mi

Visibility

63%

Cloud Cover

6AM

7%

43°

Feels Like 43°

Mostly Cloudy

ENE 2 mph

Wind

1026 mb

Pressure

90%

Humidity

0

UV Index

10mi

Visibility

66%

Cloud Cover

7AM

11%

43°

Feels Like 43°

Partly Cloudy

ENE 2 mph

Wind

1026 mb

Pressure

89%

Humidity

0

UV Index

10mi

Visibility

42%

Cloud Cover

8AM

6%

43°

Feels Like 43°

Mostly Sunny

ENE 3 mph

Wind

1026 mb

Pressure

88%

Humidity

0

UV Index

10mi

Visibility

28%

Cloud Cover

9AM

4%

45°

Feels Like 44°

Sunny

E 3 mph

Wind

1027 mb

Pressure

83%

Humidity

0

UV Index

10mi

Visibility

17%

Cloud Cover

10AM

3%

48°

Feels Like 48°

Sunny

E 3 mph

Wind

1027 mb

Pressure

75%

Humidity

1

UV Index

10mi

Visibility

11%

Cloud Cover

Sat 12/27

Sat

6%

43°

59°

Mostly clear. Lows overnight in the low 40s.

42°

Feels Like

ENE 2 mph

Wind

91%

Humidity

0

UV Index

7:22 AM

Sunrise

4:57 PM

Sunset

Sun 12/28

Sun

10%

42°

58°

Mainly sunny. Highs in the upper 50s and lows in the low 40s.

43°

Feels Like

NNE 6 mph

Wind

66%

Humidity

2

UV Index

7:22 AM

Sunrise

4:58 PM

Sunset

Mon 12/29

Mon

5%

40°

60°

Sunshine. Highs in the low 60s and lows in the low 40s.

39°

Feels Like

NE 5 mph

Wind

66%

Humidity

2

UV Index

7:23 AM

Sunrise

4:58 PM

Sunset

Tue 12/30

Tue

5%

41°

57°

Partly cloudy. Highs in the upper 50s and lows in the mid 40s.

39°

Feels Like

NE 7 mph

Wind

68%

Humidity

2

UV Index

7:23 AM

Sunrise

4:59 PM

Sunset

Wed 12/31

Wed

24%

44°

56°

Partly cloudy. Highs in the mid 50s and lows in the upper 40s.

43°

Feels Like

NE 5 mph

Wind

76%

Humidity

2

UV Index

7:23 AM

Sunrise

5:00 PM

Sunset

Thu 1/1

Thu

40%

47°

57°

Showers possible. Highs in the upper 50s and lows in the low 50s.

46°

Feels Like

ENE 5 mph

Wind

86%

Humidity

1

UV Index

7:23 AM

Sunrise

5:01 PM

Sunset

Fri 1/2

Fri

51%

51°

61°

Showers. Highs in the low 60s and lows in the low 50s.

51°

Feels Like

SSE 9 mph

Wind

81%

Humidity

2

UV Index

7:23 AM

Sunrise

5:01 PM

Sunset

Sat 1/3

Sat

52%

51°

57°

Showers. Highs in the upper 50s and lows in the low 50s.

50°

Feels Like

S 7 mph

Wind

81%

Humidity

1

UV Index

7:23 AM

Sunrise

5:02 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from California

State of Emergency declared across Los Angeles metro amid 'High Risk' flooding, heavy rain

Widespread Flash Flood Warnings were issued across the Los Angeles metro area and other parts of Southern California Wednesday, as a powerful Christmas Eve storm triggered mudslides and emergency evacuations across the region

Year in review: Shocking satellite images of extreme weather seen from space

As 2025 comes to an end, it’s time to look back at a year that was defined by nature’s extremes. Here are five of the most significant weather events of 2025 that satellites were able to capture in action.

NWS: 'Dangerous scenario is unfolding,' Los Angeles braces for rare 'High Risk' flood threat through Christmas

The Los Angeles area is forecast to see excessive rainfall with a high risk of flooding into Christmas Eve.

Christmas weather outlook: Millions to see 'nice' forecast with a touch of 'naughty' across nation

Naughty or nice, how will the weather be in your region on Christmas Day?

Load More Stories