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    Next 5 Days
    • Current Weather

      39° F
      Cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 79%
      • Yesterday Temp: 38°
      • RealFeel: 38°
    • Tonight

      Jan 23

      25° Lo
      Showers of rain and snow
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Jan 24

      30° Hi
      Partly sunny and breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    • Thursday

      Jan 25

      23° Hi
      Partly sunny and cold
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 10PM

      Jan 23

      37°
      Intermittent clouds
      Precip 40%
    • 11PM

      36°
      Intermittent clouds
      Precip 34%
    • 12AM

      37°
      Mostly cloudy
      Precip 40%
    • 1AM

      37°
      Rain and snow
      Precip 51%
    • 2AM

      36°
      Cloudy
      Precip 47%
    • 3AM

      34°
      Cloudy
      Precip 43%

    Greenwich Pollen Levels Jan 23

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

     Surging temperatures combined with soaking rainfall will elevate the risk for flash flooding and ice jams.
    Soaking rain to increase flood risk in northeastern US

    Allergies Live Feed

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps