• Fri

    Sep 4

    80°Lo 55°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 5

    83°Lo 56°

    Plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 6

    78°Lo 58°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Sep 7

    82°Lo 55°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Sep 8

    84°Lo 52°

    Abundant sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 82° RealFeel® 80° Precipitation 0%

Day

N

E

S

W

  • N 7 mph
  • Gusts: 12 mph

Plenty of sunshine

  • Max UV Index: 7 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 55° RealFeel® 55° Precipitation 0%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 5 mph

Clear

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

Temperature History - Sep 7

more Historical Weather Data >
  Today Normal Record 9/7/2014
High 82° N/A N/A 72°
Low 55° N/A N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:43 AM with 12:45 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:41 AM with 14:21 of moolight, then sets at 4:02 PM

Union City Weather Report

San Francisco: Dry, Pleasant Conditions to Span Week

August 31, 2015; 3:10 AM ET

The San Francisco area will have dry and seasonable conditions throughout the week. more >