• Clouds and sun 85°
    Ragweed Pollen Current Weather
    • Relative Humidity
      24%
    • Yesterday
      Temp
      85°
    • RealFeel
      88°
  • Tonight

    Jul 11

    Lo 51°

    Clear to partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      21 - High
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    Jul 12

    Hi 94°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      21 - High
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Sunday

    Jul 13

    Hi 96°

    Mostly sunny and very hot

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

A heat wave from tomorrow into Tuesday

7/11 7/12 Now: 7:14pm
PM 7-11
  • 7pm Mostly sunny 85° 0%
  • 8pm Mostly sunny 77° 0%
  • 9pm Mostly clear 71° 0%
  • 10pm Mostly clear 67° 0%
  • 11pm Mostly clear 63° 0%
AM 6-11
  • 6am Mostly sunny 55° 0%
  • 7am Mostly sunny 61° 0%
  • 8am Mostly sunny 70° 0%
  • 9am Mostly sunny 77° 0%
  • 10am Mostly sunny 80° 0%
  • 11am Mostly sunny 85° 0%
PM 12-5
  • 12pm Sunny 89° 0%
  • 1pm Sunny 90° 0%
  • 2pm Sunny 92° 0%
  • 3pm Sunny 93° 0%
  • 4pm Sunny 94° 0%
  • 5pm Sunny 93° 0%
Hourly Forecast >

Harvard Pollen Levels - July 11

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

    Pollen

    High

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

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Allergies Live Feed

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Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps