• Today

    May 24

    80°Lo 56°

    Partly sunny

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

    May 25

    85°Lo 59°

    Mostly sunny and pleasant

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

    May 26

    87°Lo 65°

    A p.m. t-storm in spots

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

    May 27

    87°Lo 65°

    A t-storm in the afternoon

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

    May 28

    84°Lo 66°

    Warm with sunny intervals

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Cloudy
Partly Cloudy
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 55° 53° 56° 62° 66° 70° 73° 76°
RealFeel® 55° 54° 57° 63° 68° 74° 79° 82°
Humidity 95% 97% 88% 75% 65% 51% 43% 40%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
32%
 
32%
 
21%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 SW 4 SW 5 SW 6 SW 6 WSW 7 WSW 7 W 8 W
UV Index 0 0 0 1 3 5 6 7
Cloud Cover 63% 52% 41% 13% 26% 26% 26% 26%
Dew Point 53° 52° 53° 53° 54° 51° 50° 50°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 24

more Historical Weather Data >
  Today Normal Record 5/24/2015
High 80° 75° N/A 82°
Low 56° 57° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:35 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:46 PM with 10:15 of moolight, then sets at 9:01 AM

Rockville Weather Report

Warm air to yield multiple 80-degree days in northeastern US this week

May 24, 2016; 7:45 AM ET

As the unofficial start to summer approaches this week, the longest stretch of warmth so far this year will surge into the northeastern United States. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps