• Today

    Feb 14

    10°Lo -6°

    Mostly sunny and very cold

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    Feb 15

    26°Lo 22°

    Snow late in the afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Feb 16

    53°Lo 32°

    Warmer with rain

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Feb 17

    45°Lo 25°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Feb 18

    37°Lo 16°

    Mostly cloudy and colder

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
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Forecast
Sunny
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Mostly Clear
Clear
Clear
Temp (°F) 10° 10°
RealFeel® -5° -3° -2° -2° -1° -1°
Humidity 43% 41% 41% 42% 45% 51% 54% 57%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 13 NW 12 NW 10 NW 9 NW 8 WNW 7 WNW 6 W 6 W
UV Index 3 2 1 0 0 0 0 0
Cloud Cover 8% 11% 11% 11% 11% 11% 0% 0%
Dew Point -11° -10° -9° -10° -9° -8° -8° -8°
Middle Grid line 15 F Middle Grid line 10 F Middle Grid line 5 F Middle Grid line 0 F

Temperature History - Feb 14

more Historical Weather Data >
  Today Normal Record 2/14/2015
High 10° 38° N/A 22°
Low -6° 19° N/A -14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:43 AM with 10:33 of sunlight, then sets at 5:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:23 AM with 14:11 of moolight, then sets at 12:34 AM

Waltham Weather Report

Boston: Flood threat to follow frigid Valentine's Day weekend

February 14, 2016; 11:25 AM ET

A sharp warmup and flood threat will follow the frigid Valentine’s Day weekend in Boston. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps