• Today

    Aug 24

    85°Lo 66°

    Plenty of sun

    Excellent for driving
    • Precip
      1%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Thu

    Aug 25

    88°Lo 70°

    Partly sunny and more humid

    Excellent for driving
    • Precip
      10%
    • Hours of Precip
      1.5
    • Rain
      0.11 in
  • Fri

    Aug 26

    93°Lo 70°

    A thunderstorm in the area

    Good for driving
    • Precip
      41%
    • Hours of Precip
      1.5
    • Rain
      0.12 in
    more
  • Sat

    Aug 27

    88°Lo 66°

    Mostly sunny and very warm

    Excellent for driving
    • Precip
      10%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Aug 28

    88°Lo 68°

    Partly sunny and humid

    Excellent for driving
    • Precip
      12%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 68° 69° 73° 77° 80° 84° 85° 87°
RealFeel® 67° 70° 76° 81° 86° 91° 92° 93°
Humidity 87% 82% 75% 64% 57% 53% 48% 46%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 6 S 6 S 6 S 6 S 6 SSW 6 S 7 S 7 S
UV Index 0 1 2 3 5 6 6 5
Cloud Cover 36% 33% 34% 38% 45% 54% 62% 65%
Dew Point 64° 63° 65° 63° 64° 65° 64° 64°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 25

more Historical Weather Data >
  Today Normal Record 8/25/2015
High 88° 82° N/A 82°
Low 70° 66° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 13:17 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:08 AM with 14:20 of moolight, then sets at 2:28 PM

Rockville Weather Report

Heat, humidity to return across northeastern US late this week

August 24, 2016; 4:37 AM ET

Following a fall-like start to the week, warmth and humidity will build over the northeastern United States prior to the weekend. more >

Travel Weather Forecast

Aug 24, 2016; 2:38 AM ET United States travel weather forecast

Thu. Travel Weather

48 Hour Precipitation Forecast

Thu. Driving Weather