• Sunny 53°
    Ragweed Pollen Current Weather
    • Relative Humidity
      63%
    • Yesterday
      Temp
      61°
    • RealFeel
      65°
  • Today

    Feb 28

    Hi 61°

    A thunderstorm this afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    Mar 1

    Hi 64°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Monday

    Mar 2

    Hi 61°

    A passing shower or two

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
Next

Thunderstorms in the area this afternoon through this evening

2/28 3/1 Now: 11:45am
AM 11-3
  • 11am Partly sunny 54° 13%
  • 12pm Partly sunny 56° 17%
  • 1pm Partly sunny 57° 43%
  • 2pm Intermittent clouds 58° 47%
  • 3pm Mostly cloudy w/ t-storms 60° 51%
PM 10-3
  • 10pm Mostly clear 50° 40%
  • 11pm Mostly clear 48° 34%
  • 12am Clear 47° 24%
  • 1am Mostly clear 46° 5%
  • 2am Mostly clear 45° 5%
  • 3am Partly cloudy 44° 5%
AM 4-9
  • 4am Partly cloudy 43° 5%
  • 5am Partly cloudy 42° 5%
  • 6am Mostly clear 40° 3%
  • 7am Mostly sunny 41° 0%
  • 8am Mostly sunny 45° 0%
  • 9am Mostly sunny 49° 0%
Hourly Forecast >

Vallejo Pollen Levels - February 28

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Feb 27, 2015; 5:28 PM ET
Showers and a thunderstorm this evening through tomorrow evening
San Francisco, CA Weather Forecast

Vallejo Weather Report

Western Storm to Deliver Fraction of Much-Needed Rain, Snow

February 28, 2015; 8:13 AM ET

A slow-moving storm will continue to affect the West this weekend and into the first part of next week with rounds of precipitation for some needy areas as well as trouble for travelers. more >

Allergies Live Feed

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Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps