• Today

    Sep 20

    71°Lo 55°

    Mostly cloudy

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

    Sep 21

    74°Lo 56°

    Variable clouds with a shower

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

    Sep 22

    71°Lo 41°

    Breezy with some sun

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

    Sep 23

    68°Lo 40°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
  • Wed

    Sep 24

    65°Lo 40°

    Plenty of sunshine

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 74° RealFeel® 74° Precipitation 55%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 8 mph

More clouds than sun; humid with a passing shower

  • Max UV Index: 2 (Low)
  • Thunderstorms: 24%
  • 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 56° RealFeel® 51° Precipitation 64%

Night

N

E

S

W

  • WSW 3 mph
  • Gusts: 6 mph

Mostly cloudy with a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0.3 in
  • Rain: 0.3 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Concord 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 74° 70° 93° (1978) 76°
Low 56° 45° 28° (1962) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 12:14 of sunlight, then sets at 6:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:00 AM with 13:22 of moolight, then sets at 5:22 PM

Top Story

Concord Weather Report

Boston: September Temperature Roller Coaster to Continue

September 20, 2014; 2:02 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