• Today

    Jul 31

    85°Lo 61°

    Mostly sunny

    Good for stargazing
    • Cloud
      Cover
      26%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Fri

    Aug 1

    88°Lo 61°

    Mostly sunny

    Excellent for stargazing
    • Cloud
      Cover
      11%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sat

    Aug 2

    86°Lo 58°

    Mostly sunny

    Excellent for stargazing
    • Cloud
      Cover
      0%
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Sun

    Aug 3

    84°Lo 58°

    Mostly sunny

    Excellent for stargazing
    • Cloud
      Cover
      12%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Mon

    Aug 4

    81°Lo 58°

    Mostly sunny

    Excellent for stargazing
    • Cloud
      Cover
      13%
    • Precip
      0%
    • Hours of Precip
      0
Next Previous
Hi 81° RealFeel® 85° Precipitation 1%

Day

N

E

S

W

  • SW 6 mph
  • Gusts: 10 mph

Mostly sunny

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 58° RealFeel® 56° Precipitation 0%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 8 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2013
High 81° 78° N/A 72°
Low 58° 57° N/A 56°

Solunar Information for Union City, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 13:59 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:31 PM with 10:36 of moolight, then sets at 1:07 AM

Mon, Aug 4
First
Sun, Aug 10
Full
Sun, Aug 17
Last
Mon, Aug 25
New
Top Story

Union City Weather Report

VIDEO: California Wildfires Persist in Sierra Nevada Foothills, Yosemite National Park

July 31, 2014; 4:43 AM ET

A wildfire that has already destroyed more than 60 structures is threatening more in the Sierra Nevada foothills near Plymouth, California, according to state fire officials. more >

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Mon. Stargazing