• Tonight

    Apr 21

    Lo 34°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Wed

    Apr 22

    56°Lo 30°

    Turning cloudy, p.m. showers

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Thu

    Apr 23

    47°Lo 28°

    A passing shower or two

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Fri

    Apr 24

    46°Lo 32°

    Partly sunny with a shower

    Low ragweed pollen levels
    • Precip
      40%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      55%
    more
  • Sat

    Apr 25

    54°Lo 33°

    A brief shower or two

    Ragweed Pollen Weather
    • Precip
      56%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      66%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Cloudy
T-storms
Cloudy
Cloudy
Cloudy
Cloudy
T-storms
Cloudy
Temp (°F) 50° 51° 48° 50° 51° 53° 53° 54°
RealFeel® 48° 46° 48° 51° 53° 55° 52° 54°
Humidity 88% 85% 89% 83% 80% 75% 70% 67%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
49%
 
57%
 
34%
 
34%
 
33%
 
36%
 
40%
 
36%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 6 NNW 5 N 5 W 5 W 5 W 6 WSW 7 WSW 8 W
UV Index 0 0 0 1 1 2 2 3
Cloud Cover 99% 97% 99% 96% 98% 97% 98% 98%
Dew Point 46° 46° 45° 45° 45° 45° 44° 43°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 59° N/A N/A 73°
Low 34° N/A N/A 30°

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 8:12 AM with 14:48 of moolight, then sets at 11:00 PM

Winchester Weather Report

Boston: Cooler Air to Sweep Away Warmth This Week

April 21, 2015; 4:52 PM ET

Cooler air will push into the Boston area during the middle and latter part of the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps