• Mostly sunny 76°
    Stargazing Current Weather
    • Visibility
      10 mi
    • Cloud
      Cover
      25%
    • Ceiling
      39300 ft
  • Today

    Aug 30

    Hi 80°

    Partly sunny

    Excellent for stargazing
    • Cloud
      Cover
      6%
    • Precip
      0%
    • Hours of Precip
      0
    Day Details >
  • Tomorrow

    Aug 31

    Hi 79°

    Partly sunny

    Excellent for stargazing
    • Cloud
      Cover
      6%
    • Precip
      0%
    • Hours of Precip
      0
    Day Details >
  • Monday

    Sep 1

    Hi 83°

    Clouds breaking for sun

    Excellent for stargazing
    • Cloud
      Cover
      1%
    • Precip
      1%
    • Hours of Precip
      0
    Day Details >
Next

Seasonal temperatures for the next 5 days

8/30 8/31 Now: 11:57am
AM 11-3
  • 11am Partly sunny 72° 0%
  • 12pm Intermittent clouds 76° 0%
  • 1pm Intermittent clouds 78° 0%
  • 2pm Sunny 80° 0%
  • 3pm Mostly sunny 80° 0%
PM 10-3
  • 10pm Clear 64° 0%
  • 11pm Clear 64° 0%
  • 12am Mostly clear 63° 0%
  • 1am Mostly clear 62° 0%
  • 2am Mostly clear 62° 0%
  • 3am Mostly clear 61° 0%
AM 4-9
  • 4am Mostly clear 61° 0%
  • 5am Mostly clear 61° 0%
  • 6am Mostly clear 60° 0%
  • 7am Mostly sunny 61° 0%
  • 8am Mostly sunny 63° 0%
  • 9am Mostly sunny 65° 0%
Hourly Forecast >
Aug 29, 2014; 3:20 PM ET 
From fires in California, hurricanes in the Atlantic and Pacific, and lightning in Denver, this week's weather rocked the nation from the West Coast to the East.
Trending: Fires Rage in California While Hurricanes Churn Off Both Coasts

Solunar Information for Sunnyvale, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:03 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:23 AM with 11:01 of moolight, then sets at 10:24 PM

Tue, Sep 2
First
Tue, Sep 9
Full
Tue, Sep 16
Last
Wed, Sep 24
New

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Top Story

Sunnyvale Weather Report

San Francisco: Bright, Sunny for First Week of September

August 30, 2014; 5:14 AM ET

San Francisco will see abundant sunshine through at least Thursday. more >

Astronomy Live Feed

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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.

Sat. Stargazing