• Tonight

    May 30

    Lo 64°

    Mostly cloudy, a shower late

    Stargazing Weather
    • Cloud
      Cover
      77%
    • Precip
      41%
    • Hours of Precip
      0.5
    more
  • Sun

    May 31

    71°Lo 46°

    Cooler with periods of rain

    Poor for stargazing
    • Cloud
      Cover
      99%
    • Precip
      65%
    • Hours of Precip
      9
    more
  • Mon

    Jun 1

    55°Lo 47°

    Colder with periods of rain

    Poor for stargazing
    • Cloud
      Cover
      99%
    • Precip
      80%
    • Hours of Precip
      13.5
  • Tue

    Jun 2

    57°Lo 46°

    Mostly cloudy, showers around

    Good for stargazing
    • Cloud
      Cover
      20%
    • Precip
      14%
    • Hours of Precip
      3
    more
  • Wed

    Jun 3

    67°Lo 47°

    Sunny, pleasant and warmer

    Very Good for stargazing
    • Cloud
      Cover
      7%
    • Precip
      7%
    • Hours of Precip
      0
    more
Next Previous
Hi 55° RealFeel® 53° Precipitation 68%

Day

N

E

S

W

  • ENE 8 mph
  • Gusts: 13 mph

Colder with periods of rain

  • Max UV Index: 2 (Low)
  • Thunderstorms: 12%
  • Precipitation: 0.4 in
  • Rain: 0.4 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5.5 hrs
  • Hours of Rain: 5.5 hrs
Lo 47° RealFeel® 36° Precipitation 80%

Night

N

E

S

W

  • NNE 7 mph
  • Gusts: 13 mph

Periods of rain; rising temperatures in the evening

  • Max UV Index: N/A
  • Thunderstorms: 22%
  • Precipitation: 1.04 in
  • Rain: 1.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 8 hrs
  • Hours of Rain: 8 hrs

Temperature History - Jun 1

more Historical Weather Data >
  Today Normal Record 6/1/2014
High 55° 73° N/A 75°
Low 47° 51° N/A 38°

Solunar Information for Waltham, MA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:11 AM with 15:04 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:13 PM with 10:11 of moolight, then sets at 5:24 AM

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

Waltham Weather Report

Weekend to End Wet, Much Cooler in Boston

May 30, 2015; 5:08 PM ET

Following only limited rainfall during much of May, the weekend will end wet around Boston with a significant cooldown. 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.

Mon. Stargazing