• Today

    Jul 26

    93°Lo 72°

    Clouds and sun, hot and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Wed

    Jul 27

    88°Lo 71°

    Partly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Jul 28

    91°Lo 72°

    An afternoon thunderstorm

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

    Jul 29

    81°Lo 69°

    A couple of thunderstorms

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

    Jul 30

    84°Lo 69°

    Couple of showers, t-storms

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 93° RealFeel® 101° Precipitation 22%

Day

N

E

S

W

  • WNW 6 mph
  • Gusts: 13 mph

Hot and humid with periods of clouds and sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 72° RealFeel® 76° Precipitation 25%

Night

N

E

S

W

  • NNW 4 mph
  • Gusts: 7 mph

Partly cloudy and humid

  • Max UV Index: N/A
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Rockville Pollen Levels - July 26

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    Moderate

Temperature History - Jul 26

more Historical Weather Data >
  Today Normal Record 7/26/2015
High 93° 85° N/A 90°
Low 72° 69° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 14:21 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:04 AM with 13:12 of moolight, then sets at 1:16 PM

Rockville Weather Report

Dangerous heat wave to persist in northeastern US much of this week

July 26, 2016; 3:54 PM ET

A stifling heat wave will remain entrenched across the Northeast much of this week, despite a brief reprieve in humidity for some. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps