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    Next 5 Days
    • Current Weather

      90° F
      Partly sunny
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 48%
      • Yesterday Temp: 86°
      • RealFeel: 92°
    • Today

      Sep 20

      89° Hi
      Partial sunshine; very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Sep 21

      83° Hi
      Thundershower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Saturday

      Sep 22

      69° Hi
      Periods of sun; cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 5PM

      Sep 20

      87°
      Partly sunny
      Precip 6%
    • 6PM

      85°
      Partly sunny
      Precip 6%
    • 7PM

      82°
      Partly sunny
      Precip 4%
    • 8PM

      81°
      Partly cloudy
      Precip 0%
    • 9PM

      79°
      Mostly clear
      Precip 0%
    • 10PM

      78°
      Mostly clear
      Precip 0%

    Portland Pollen Levels Sep 20

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      High

    • Grass Pollen

      Low

    It only takes between 24 to 48 hours for mold to develop after water exposure. If floodwaters have entered your home, follow these tips to help prevent mold growth.
    Preventing mold growth after a flood

    Allergies Live Feed

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps