• Clouds and sun 74°
    Stargazing Current Weather
    • Visibility
      10 mi
    • Cloud
      Cover
      60%
    • Ceiling
      27000 ft
  • Today

    Aug 28

    Hi 86°

    Partly sunny and warm

    Good for stargazing
    • Cloud
      Cover
      42%
    • Precip
      55%
    • Hours of Precip
      1
    Day Details >
  • Tomorrow

    Aug 29

    Hi 89°

    Partly sunny and very warm

    Excellent for stargazing
    • Cloud
      Cover
      11%
    • Precip
      8%
    • Hours of Precip
      0
    Day Details >
  • Tuesday

    Aug 30

    Hi 82°

    Plenty of sunshine

    Fair for stargazing
    • Cloud
      Cover
      70%
    • Precip
      13%
    • Hours of Precip
      0
    Day Details >
Next

Very warm tomorrow

8/28 8/29 Now: 9:15am
AM 9-1
  • 9am Partly sunny 73° 0%
  • 10am Mostly sunny 76° 0%
  • 11am Mostly sunny 79° 0%
  • 12pm Sunny 82° 0%
  • 1pm Mostly sunny 84° 0%
PM 8-1
  • 8pm Mostly clear 75° 5%
  • 9pm Partly cloudy 72° 5%
  • 10pm Partly cloudy 71° 6%
  • 11pm Partly cloudy 70° 7%
  • 12am Partly cloudy 69° 7%
  • 1am Partly cloudy 69° 9%
AM 2-7
  • 2am Partly cloudy 68° 14%
  • 3am Partly cloudy 67° 14%
  • 4am Partly cloudy 67° 18%
  • 5am Partly cloudy 66° 43%
  • 6am Partly cloudy 67° 47%
  • 7am Partly sunny w/ t-storms 68° 51%
Hourly Forecast >
Aug 28, 2016; 2:12 AM ET
Five-day Weather Forecast for Boston, MA
Boston, MA Weather Forecast

Solunar Information for Waltham, MA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:17 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:13 AM with 14:47 of moolight, then sets at 5:00 PM

Thu, Sep 1
New
Fri, Sep 9
First
Fri, Sep 16
Full
Fri, Sep 23
Last

Waltham Weather Report

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

August 28, 2016; 7:44 AM ET

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

Astronomy Live Feed

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'Frankenfish' Ready for Market

Dec 7, 2012; 7:08 AM ET A new lab-created meat is waiting for FDA approval that is at once very different and just the same as your favorite fish dinner.

Sun. Stargazing