• Today

    Sep 21

    75°Lo 55°

    Variable clouds with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Sep 22

    63°Lo 39°

    Cooler with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 23

    66°Lo 42°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Wed

    Sep 24

    67°Lo 40°

    A full day of sunshine

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    70°Lo 44°

    A full day of sunshine

    Ragweed Pollen Weather
    • Precip
      9%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 75° RealFeel® 74° Precipitation 55%

Day

N

E

S

W

  • S 5 mph
  • Gusts: 11 mph

Clouds and breaks of sun; humid with a passing shower

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 55° RealFeel® 51° Precipitation 55%

Night

N

E

S

W

  • WSW 3 mph
  • Gusts: 6 mph

A shower or thunderstorm around this evening; otherwise, mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Winchester Pollen Levels - September 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 75° 71° N/A 73°
Low 55° 45° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 12:14 of sunlight, then sets at 6:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:04 AM with 13:21 of moolight, then sets at 5:25 PM

Top Story

Winchester Weather Report

Boston: September Temperature Roller Coaster to Continue

September 21, 2014; 4:42 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Boston. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps