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    Next 5 Days
    • Current Weather

      63° F
      Dense fog
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 93%
      • Yesterday Temp: 61°
      • RealFeel: 64°
    • Today

      Sep 20

      80° Hi
      Areas of morning fog
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Sep 21

      84° Hi
      Areas of morning fog
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    • Friday

      Sep 22

      84° Hi
      Fog in the morning; sunshine
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 7AM

      Sep 20

      63°
      Fog
      Precip 3%
    • 8AM

      64°
      Fog
      Precip 7%
    • 9AM

      66°
      Fog
      Precip 7%
    • 10AM

      69°
      Cloudy
      Precip 7%
    • 11AM

      73°
      Mostly cloudy
      Precip 7%
    • 12PM

      75°
      Mostly cloudy
      Precip 7%

    St. Clairsville Pollen Levels Sep 20

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Five-day Weather Forecast for Pittsburgh, PA
    Pittsburgh, PA Weather Forecast

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