• Tonight

    Aug 4

    Lo 70°

    A severe evening thunderstorm

    Stargazing Weather
    • Cloud
      Cover
      20%
    • Precip
      60%
    • Hours of Precip
      3
  • Wed

    Aug 5

    83°Lo 65°

    Partly sunny

    Good for stargazing
    • Cloud
      Cover
      29%
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Thu

    Aug 6

    79°Lo 65°

    Times of clouds and sun

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Fri

    Aug 7

    76°Lo 65°

    Partly sunny

    Fair for stargazing
    • Cloud
      Cover
      69%
    • Precip
      17%
    • Hours of Precip
      0
    more
  • Sat

    Aug 8

    73°Lo 63°

    Humid with rain, some heavy

    Poor for stargazing
    • Cloud
      Cover
      99%
    • Precip
      82%
    • Hours of Precip
      18.5
    more
Next Previous
Hi 83° RealFeel® 90° Precipitation 55%

Day

N

E

S

W

  • SSW 13 mph
  • Gusts: 29 mph

A severe thunderstorm; more clouds than sun; storms can bring flash flooding and damaging winds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 95%
  • Precipitation: 0.68 in
  • Rain: 0.68 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 70° RealFeel® 69° Precipitation 60%

Night

N

E

S

W

  • WNW 7 mph
  • Gusts: 16 mph

A severe thunderstorm early; mainly clear, humid; storms can bring flooding and damaging winds

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Temperature History - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2014
High 83° 78° 89° (1979) 79°
Low 70° 64° 44° (1959) 65°

Solunar Information for Hyannis, MA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:38 AM with 14:18 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:32 PM with 13:13 of moolight, then sets at 11:45 AM

Fri, Aug 7
Last
Fri, Aug 14
New
Sat, Aug 22
First
Sat, Aug 29
Full

Hyannis Weather Report

PHOTOS: Severe Weather Slams Boston

August 4, 2015; 6:32 PM ET

A line of violent thunderstorms tore across Massachusetts, including the Boston area, Tuesday afternoon. Isolated severe thunderstorms will continue into Tuesday evening. more >

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Tue. Stargazing