• Tonight

    Aug 20

    Lo 56°

    Becoming cloudy

    Asthma Weather
    • Hi
      RealFeel
      85°
    • UV
      6 - High
    • Air Qual.
      Good
  • Thu

    Aug 21

    71°Lo 58°

    Cooler with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      72°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Aug 22

    72°Lo 54°

    Periods of sun with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      74°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sat

    Aug 23

    73°Lo 53°

    Clouds and sun with a shower

    Beneficial weather for asthma
    • Hi
      RealFeel
      75°
    • UV
      5 - Moderate
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    74°Lo 51°

    An afternoon shower in spots

    Beneficial weather for asthma
    • Hi
      RealFeel
      76°
    • UV
      5 - Moderate
    • Cloud
      Cover
      69%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Partly Sunny
Mostly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 52° 52° 51° 53° 55° 62° 67° 72°
RealFeel® 52° 52° 51° 54° 57° 66° 71° 79°
Humidity 88% 89% 91% 93% 89% 76% 64% 56%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
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Ice
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 1 N 1 N 1 N 1 N 1 SE 1 N 1 N 2 SSW
UV Index 0 0 0 0 1 2 4 5
Cloud Cover 16% 17% 21% 41% 26% 30% 28% 29%
Dew Point 49° 49° 49° 51° 52° 54° 54° 56°
Middle Grid line 75 F 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

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2013
High 81° 80° N/A 84°
Low 56° 55° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 13:43 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:37 AM with 14:51 of moolight, then sets at 4:28 PM

Top Story

Winchester Weather Report

Heavy Rain to Avoid Boston Through Weekend

August 20, 2014; 12:04 PM ET

A wedge of dry air will slowly erode later this week and may allow spotty showers to survive the trip into Boston from the Midwest. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Wed. Air Quality

Wed. Asthma Risk

Wed. UV Index