• Early AM

    Sep 1

    Lo 60°

    Increasing clouds

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Today

    Sep 1

    77°Lo 62°

    Low clouds, then some sun

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

    Sep 2

    74°Lo 61°

    Low clouds breaking

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

    Sep 3

    72°Lo 56°

    Areas of low clouds, then sun

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

    Sep 4

    77°Lo 57°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Increasing clouds 60° RealFeel® 60°

N

E

S

W

  • Humidity: 54%
  • Cloud Cover: 79%
  • Dew Point: 44° F
  • Rain: 0 in
  • Snow: 0 in
  • Visibility: 10 mi
5 mph

Union City Weather Report

San Francisco: Dry, Pleasant Conditions to Span Week

September 1, 2015; 1:48 AM ET

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

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps