• Tonight

    Aug 28

    Lo 66°

    Partly cloudy and humid

    Asthma Weather
    • Hi
      RealFeel
      82°
    • UV
      5 - High
    • Air Qual.
      Good
  • Mon

    Aug 29

    85°Lo 64°

    Partly sunny

    Neutral weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Tue

    Aug 30

    77°Lo 65°

    Brilliant sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      84°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Wed

    Aug 31

    80°Lo 68°

    Partly sunny and more humid

    At Risk weather for asthma
    • Hi
      RealFeel
      85°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Thu

    Sep 1

    76°Lo 62°

    Less humid with some sun

    Neutral weather for asthma
    • Hi
      RealFeel
      81°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
Next Previous
Hi 78° RealFeel® 82° Precipitation 0%

Day

N

E

S

W

  • E 8 mph
  • Gusts: 15 mph

Pleasant with sunshine and patchy clouds

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 66° RealFeel® 64° Precipitation 25%

Night

N

E

S

W

  • SSW 7 mph
  • Gusts: 12 mph

Partly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 28

more Historical Weather Data >
  Today Normal Record 8/28/2015
High 78° 76° 100° (1948) 78°
Low 66° 62° 45° (1964) 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 13:16 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:11 AM with 14:44 of moolight, then sets at 4:55 PM

Hyannis Weather Report

September to start on cooler, less humid note in northeastern US

August 28, 2016; 9:28 PM ET

Brief relief from heat and humidity will arrive in the northeastern United States at the start of September. more >

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index