• Early AM

    Apr 18

    Lo 22°

    Mainly clear

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    Apr 18

    54°Lo 30°

    Mostly sunny and warmer

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

    Apr 19

    57°Lo 25°

    Clouds giving way to some sun

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

    Apr 20

    59°Lo 28°

    Mostly sunny

    Moderate indoor dust & dander levels
    • Precip
      12%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      11%
    more
  • Mon

    Apr 21

    67°Lo 36°

    Partly sunny

    High indoor dust & dander levels
    • Precip
      11%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      27%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 36° 38° 43° 47° 48° 50° 52° 54°
RealFeel® 40° 45° 50° 55° 56° 56° 56° 57°
Humidity 56% 46% 38% 32% 28% 26% 25% 25%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 3 NE 4 ENE 5 ENE 5 E 6 SE 6 SSE 6 SSE 6 SSE
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 25% 25% 25% 25% 25% 25% 25% 25%
Dew Point 21° 19° 18° 18° 17° 16° 17° 19°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 54° 59° N/A 63°
Low 30° 33° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 13:31 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:21 PM with 9:53 of moolight, then sets at 9:14 AM

Top Story

Winchester Weather Report

Boston: Milder Weather to Arrive Easter Weekend

April 17, 2014; 8:46 PM 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