• Tonight

    Aug 31

    Lo 69°

    Mostly cloudy and humid

    Asthma Weather
    • Hi
      RealFeel
      83°
    • UV
      4 - Moderate
    • Air Qual.
      Good
  • Thu

    Sep 1

    75°Lo 65°

    A couple of showers

    Neutral weather for asthma
    • Hi
      RealFeel
      81°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Sep 2

    74°Lo 61°

    Periods of sun; less humid

    Beneficial weather for asthma
    • Hi
      RealFeel
      74°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sat

    Sep 3

    74°Lo 63°

    Mostly sunny and windy

    Beneficial weather for asthma
    • Hi
      RealFeel
      74°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sun

    Sep 4

    72°Lo 66°

    Rather cloudy, rain possible

    Beneficial weather for asthma
    • Hi
      RealFeel
      71°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
Next Previous
Hi 80° RealFeel® 83° Precipitation 4%

Day

N

E

S

W

  • SSW 12 mph
  • Gusts: 21 mph

More humid with a blend of sunshine and clouds

  • Max UV Index: 4 (Moderate)
  • 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 69° RealFeel® 69° Precipitation 25%

Night

N

E

S

W

  • SSW 8 mph
  • Gusts: 15 mph

Mostly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 15%
  • 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 31

more Historical Weather Data >
  Today Normal Record 8/31/2015
High 80° 75° 94° (1953) 88°
Low 69° 61° 34° (1965) 71°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:08 of sunlight, then sets at 7:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:15 AM with 13:39 of moolight, then sets at 6:54 PM

Hyannis Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 8:05 PM ET

Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers. more >

Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index