• Today

    Sep 4

    89°Lo 71°

    A t-storm around in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    Sep 5

    83°Lo 67°

    Clouds giving way to sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 6

    83°Lo 66°

    Partly sunny and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Sep 7

    87°Lo 66°

    Partly sunny and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Sep 8

    90°Lo 69°

    A t-storm around in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 89° RealFeel® 100° Precipitation 40%

Day

N

E

S

W

  • NE 6 mph
  • Gusts: 9 mph

Partly sunny and humid; a thunderstorm in spots this afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 71° RealFeel® 73° Precipitation 40%

Night

N

E

S

W

  • NE 7 mph
  • Gusts: 9 mph

A shower or thunderstorm in spots this evening; otherwise, mostly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Passapatanzy Pollen Levels - September 4

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

    Low

  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold Pollen

    Low

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 89° 86° 102° (1953) 91°
Low 71° 59° 45° (1989) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:54 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:51 PM with 14:24 of moolight, then sets at 2:15 PM

Passapatanzy Weather Report

DC, Baltimore: Heat to Rebuild Labor Day Weekend After Cooldown

September 4, 2015; 5:15 AM ET

A backdoor front will trim temperatures, haze and humidity around the Washington, D.C., and Baltimore areas early this weekend before all three conditions build by early next week. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps