• Today

    Apr 18

    51°Lo 34°

    Clouds and sunshine

    Very High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sat

    Apr 19

    60°Lo 32°

    Mostly cloudy and breezy

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    59°Lo 34°

    Mostly sunny

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Mon

    Apr 21

    67°Lo 42°

    Partly sunny and nice

    High indoor dust & dander levels
    • Precip
      11%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      29%
    more
  • Tue

    Apr 22

    68°Lo 45°

    A passing shower

    Moderate indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      62%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Clear
Mostly Clear
Clear
Clear
Mostly Sunny
Mostly Sunny
Partly Cloudy
Temp (°F) 29° 29° 29° 28° 28° 27° 28° 29°
RealFeel® 29° 27° 27° 27° 26° 25° 26° 28°
Humidity 75% 76% 81% 79% 81% 82% 77% 90%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 3 NNE 4 NW 3 NNW 3 NNW 4 N 4 N 4 N 5 N
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 14% 4% 12% 2% 8% 15% 19% 51%
Dew Point 22° 22° 23° 22° 23° 22° 21° 26°
Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 51° 59° N/A 64°
Low 34° 38° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:32 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:17 PM with 9:53 of moolight, then sets at 9:10 AM

Top Story

Derry Weather Report

Boston: Milder Weather to Arrive Easter Weekend

April 18, 2014; 4:16 AM ET

The return of milder weather to Boston will coincide with Easter weekend. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps