• Friday

    Jul 18

    79°Lo 53°

    Plenty of sunshine

    Excellent for stargazing
    • Cloud
      Cover
      3%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Saturday

    Jul 19

    79°Lo 62°

    Partly sunny

    Fair for stargazing
    • Cloud
      Cover
      61%
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 20

    93°Lo 58°

    Sunny and warmer

    Good for stargazing
    • Cloud
      Cover
      48%
    • Precip
      0%
    • Hours of Precip
      0
    more
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Top Story

Napa Weather Report

San Francisco: Partially Sunny Skies, Rise in Temperature Ahead

July 12, 2014; 3:59 AM ET

San Francisco will see a rise in temperatures over the next several days as partially cloudy skies make way for plenty of sunshine. more >

Astronomy Live Feed

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Lunar Reconnaissance Orbiter Studies Moon

Jul 6, 2014; 8:00 AM ET We now know the topographical structure of the moon better than our own planet thanks to LRO.