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    Next 5 Days
    • Current Weather

      79° F
      Thunderstorm
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 69%
      • Yesterday Temp: 79°
      • RealFeel: 83°
    • Today

      Jul 20

      83° Hi
      A heavy thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Jul 21

      83° Hi
      Humid with periods of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Saturday

      Jul 22

      76° Hi
      Showers and a heavier t-storm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 1PM

      Jul 20

      79°
      Cloudy
      Precip 8%
    • 2PM

      83°
      Cloudy
      Precip 47%
    • 3PM

      82°
      Thunderstorms
      Precip 51%
    • 4PM

      80°
      Intermittent clouds
      Precip 47%
    • 5PM

      79°
      Intermittent clouds
      Precip 15%
    • 6PM

      79°
      Intermittent clouds
      Precip 15%

    Olean Pollen Levels Jul 20

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

     Thunderstorms could turn locally severe as they track across the Northeastern states through the weekend.
    Storms to raise flood risk in northeastern US

    Allergies Live Feed

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps