• Sat

    Jul 30

    86°Lo 70°

    Couple of showers, t-storms

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

    Jul 31

    83°Lo 69°

    A thunderstorm possible

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

    Aug 1

    85°Lo 68°

    Rather cloudy

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

    Aug 2

    93°Lo 67°

    Sunny and hot

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

    Aug 3

    94°Lo 73°

    Clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 86° RealFeel® 92° Precipitation 70%

Day

N

E

S

W

  • W 5 mph
  • Gusts: 8 mph

Intervals of clouds and sun with a couple of showers and a thunderstorm, mainly later

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.45 in
  • Rain: 0.45 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 70° RealFeel® 66° Precipitation 56%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 6 mph

Mostly cloudy with occasional rain and a thunderstorm late

  • Max UV Index: N/A
  • Thunderstorms: 31%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2015
High 86° 84° N/A 90°
Low 70° 69° N/A 73°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:13 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:00 AM with 14:36 of moolight, then sets at 5:36 PM

Rockville Weather Report

Stormy start to week in northeastern US will fail to offer heat relief

July 25, 2016; 4:18 PM ET

Strong thunderstorms will target the northeastern United States on Monday but will fail to sweep away the heat wave baking the region. more >