• Early AM

    Oct 21

    Lo 53°

    A brief shower or two

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Oct 21

    69°Lo 53°

    Mostly cloudy, a few showers

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

    Oct 22

    61°Lo 50°

    Cooler with a shower or two

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

    Oct 23

    62°Lo 52°

    Clouds breaking and windy

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      18 mph
    • Cloud
      Cover
      66%
    more
  • Fri

    Oct 24

    66°Lo 51°

    A full day of sunshine

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 69° RealFeel® 68° Precipitation 63%

Day

N

E

S

W

  • WNW 6 mph
  • Gusts: 13 mph

Mostly cloudy with a couple of showers, mainly later

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 53° RealFeel® 47° Precipitation 60%

Night

N

E

S

W

  • NNW 9 mph
  • Gusts: 14 mph

Mostly cloudy with a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Spring Valley Pollen Levels - October 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 69° 67° 85° (1947) 68°
Low 53° 49° 30° (1974) 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:23 AM with 11:00 of sunlight, then sets at 6:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:11 AM with 12:31 of moolight, then sets at 4:42 PM

Spring Valley Weather Report

Storm to Affect DC This Week With Some Rain, Wind

October 20, 2014; 4:20 PM ET

A developing nor'easter will bring some showers and wind to the Washington, D.C., area during the middle and latter part of the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps