• Early AM

    Aug 29

    Lo 65°

    Mainly clear

    Beach & Pool Weather
    • UV
      5 - High
    • Cloud
      Cover
      30%
    • Precip
      6%
    more
  • Today

    Aug 29

    91°Lo 67°

    Partly sunny and hot

    Excellent at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      24%
    • Precip
      19%
  • Tue

    Aug 30

    86°Lo 66°

    Mostly sunny

    Excellent at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      20%
    • Precip
      11%
    more
  • Wed

    Aug 31

    89°Lo 68°

    A p.m. t-storm in spots

    Excellent at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      52%
    • Precip
      25%
    more
  • Thu

    Sep 1

    82°Lo 61°

    Not as hot

    Excellent at the beach or pool
    • UV
      5 - High
    • Cloud
      Cover
      10%
    • Precip
      8%
    more
Next Previous
Hi 91° RealFeel® 99° Precipitation 10%

Day

N

E

S

W

  • NNW 4 mph
  • Gusts: 5 mph

Partly sunny and hot

  • Max UV Index: 7 (High)
  • Thunderstorms: 15%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 67° Precipitation 19%

Night

N

E

S

W

  • NNE 5 mph
  • Gusts: 7 mph

Mainly clear

  • 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

Washington Tide Table - Aug 29

See all tide tables >
Low 12:38 AM 0.2 ft
High 6:09 AM 3.4 ft
Low 1:27 PM 0.1 ft
High 6:42 PM 3.1 ft

Temperature History - Aug 29

more Historical Weather Data >
  Today Normal Record 8/29/2015
High 91° 82° N/A 88°
Low 67° 65° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 13:08 of sunlight, then sets at 7:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:46 AM with 14:16 of moolight, then sets at 6:02 PM

Rockville Weather Report

September to start on cooler, less humid note in northeastern US

August 28, 2016; 11:28 PM ET

Brief relief from heat and humidity will arrive in the northeastern United States at the start of September. more >

Mon. Beach & Pool

Mon. UV Index

Mon. Wind Maps