• Friday

    Sep 4

    75°Lo 51°

    Mostly sunny and not as warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Saturday

    Sep 5

    79°Lo 54°

    Nice with plenty of sunshine

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sunday

    Sep 6

    86°Lo 58°

    Sunny and very warm

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
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Waltham Weather Report

Boston: Late-Week Front to Slash Summer Temperatures

September 3, 2015; 4:52 AM ET

The weather through Thursday will bring conditions more common for early July rather than early September, but the summer heat will come to an end by the weekend. more >

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The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Fri. Snow Day Potential