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Personalized Forecasts

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    • Early AM

      Sep 21

      65° Lo
      Tropical storm conditions including strong winds and heavy rain
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Today

      Sep 21

      65° /60°F
      Cloudy, showers around; windy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Fri

      Sep 22

      64° /62°
      Cloudy, showers around; windy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Sep 23

      71° /63°
      Partly sunny with a shower
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Sep 24

      75° /64°
      Partly sunny; breezy, humid
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    65°Hi RealFeel® 62° Precipitation 60%
    Cloudy and windy with a couple of showers; watch for rough surf and rip currents
    • Winds from the
    • NNE 18 mph
    • Gusts: 40 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 20%
    • Precipitation: 0.12 in
    • Rain: 0.12 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    60°Lo RealFeel® 52° Precipitation 61%
    Mostly cloudy and breezy with a couple of showers
    • Winds from the
    • NNE 17 mph
    • Gusts: 40 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.08 in
    • Rain: 0.08 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Hyannis Pollen Levels Sep 21

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/21/2016
    High 65° 70° 86° (1983) 78°
    Low 60° 54° 35° (1969) 57°

    Sunrise/Sunset

    • Sunrise: 6:27 AM
    • Sunset: 6:41 PM
    • Duration: 12:14 hr

    Moonrise/Moonset

    • Moonrise: 7:44 AM
    • Moonset: 7:44 PM
    • Duration: 12:00 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps