• Today

    Apr 21

    69°Lo 38°

    Partly sunny and nice

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Tue

    Apr 22

    67°Lo 40°

    Showers in the afternoon

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

    Apr 23

    55°Lo 26°

    Cooler; a morning shower

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

    Apr 24

    58°Lo 29°

    Mostly sunny and breezy

    Very High indoor dust & dander levels
    • Precip
      4%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      25%
    more
  • Fri

    Apr 25

    64°Lo 40°

    An afternoon shower in spots

    High indoor dust & dander levels
    • Precip
      45%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      60%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Sunny
Partly Cloudy
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Partly Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Temp (°F) 33° 35° 41° 47° 55° 62° 63° 66°
RealFeel® 34° 38° 46° 54° 62° 69° 70° 70°
Humidity 87% 80% 64% 48% 34% 27% 22% 20%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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Snow
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 2 SE 2 SE 3 SE 4 SSE 5 S 5 S 6 SSW 7 SSW
UV Index 0 1 2 4 5 6 7 6
Cloud Cover 7% 73% 55% 30% 7% 0% 2% 10%
Dew Point 30° 30° 30° 28° 27° 27° 24° 23°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F 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 Middle Grid line 30 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2013
High 69° 61° N/A 52°
Low 38° 34° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:39 of sunlight, then sets at 7:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:09 AM with 10:11 of moolight, then sets at 11:20 AM

Top Story

Winchester Weather Report

Boston: Milder Patriots' Day Follows Easter Cooldown

April 21, 2014; 4:57 AM ET

After taking a tumble Easter Sunday, temperatures will quickly rebound in Boston for Patriots' Day. more >

Is it a Cold or the Flu?

Apr 19, 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?

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps