• Tonight

    Jul 25

    Lo 74°

    An evening t-storm in spots

    Asthma Weather
    • Hi
      RealFeel
      105°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Tue

    Jul 26

    93°Lo 72°

    A thunderstorm around

    At Risk weather for asthma
    • Hi
      RealFeel
      102°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Wed

    Jul 27

    92°Lo 71°

    Partly sunny and hot

    Beneficial weather for asthma
    • Hi
      RealFeel
      101°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Thu

    Jul 28

    92°Lo 72°

    Periods of clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      99°
    • UV
      5 - High
    • Air Qual.
      Moderate
  • Fri

    Jul 29

    84°Lo 70°

    A couple of thunderstorms

    Neutral weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
Hi 92° RealFeel® 99° Precipitation 15%

Day

N

E

S

W

  • W 4 mph
  • Gusts: 5 mph

Periods of clouds and sun

  • Max UV Index: 7 (High)
  • Thunderstorms: 17%
  • 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® 72° Precipitation 25%

Night

N

E

S

W

  • ESE 4 mph
  • Gusts: 6 mph

Mostly cloudy

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

Temperature History - Jul 28

more Historical Weather Data >
  Today Normal Record 7/28/2015
High 92° 85° N/A 90°
Low 72° 69° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 14:17 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:24 AM with 14:07 of moolight, then sets at 3:31 PM

Rockville Weather Report

Severe storms rip through Pennsylvania to New York with damaging winds

July 25, 2016; 8:10 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 >

Thu. Asthma Risk

Thu. UV Index