• Today

    Mar 4

    41°Lo 18°

    Cloudy and not as cold

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

    Mar 5

    23°Lo 1°

    Very cold with a little snow

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

    Mar 6

    24°Lo 5°

    Mostly sunny and very cold

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Mar 7

    32°Lo 16°

    A chance for snow or flurries

    Low ragweed pollen levels
    • Precip
      30%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      77%
    more
  • Sun

    Mar 8

    37°Lo 21°

    Mostly cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      91%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Snow
Cloudy
Cloudy
Snow
Temp (°F) 22° 20° 18° 18° 18° 18° 19° 20°
RealFeel® 14° 11° 10° 10°
Humidity 68% 68% 67% 63% 60% 56% 53% 50%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
47%
 
51%
 
47%
 
49%
 
54%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 8 NW 8 NW 8 NW 8 NW 9 NW 9 NNW 10 NNW 10 NNW
UV Index 0 0 0 0 0 1 2 2
Cloud Cover 80% 84% 92% 94% 94% 94% 94% 94%
Dew Point 13° 10°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Mar 5

more Historical Weather Data >
  Today Normal Record 3/5/2014
High 23° N/A N/A 25°
Low N/A N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 11:25 of sunlight, then sets at 5:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:55 PM with 12:36 of moolight, then sets at 6:31 AM

Winchester Weather Report

Boston: Snow, Freeze-up to Precede Thaw

March 4, 2015; 2:03 PM ET

Boston will lie on the northern edge of a 1,500-mile swath of snow, slippery roads and travel disruptions for a time on Thursday. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps