• Early AM

    May 18

    Lo 55°

    Partly to mostly cloudy

    Beach & Pool Weather
    • UV
      8 - Very High
    • Cloud
      Cover
      63%
    • Precip
      17%
    more
  • Today

    May 18

    71°Lo 57°

    Clouds and breaks of sun

    Poor at the beach or pool
    • UV
      5 - Moderate
    • Cloud
      Cover
      80%
    • Precip
      25%
    more
  • Sun

    May 19

    70°Lo 60°

    Variable clouds with a shower

    Poor at the beach or pool
    • UV
      3 - Moderate
    • Cloud
      Cover
      90%
    • Precip
      57%
    more
  • Mon

    May 20

    77°Lo 67°

    Warmer with a thunderstorm

    Poor at the beach or pool
    • UV
      3 - Moderate
    • Cloud
      Cover
      89%
    • Precip
      60%
  • Tue

    May 21

    85°Lo 69°

    Warmer with variable clouds

    Fair at the beach or pool
    • UV
      4 - Moderate
    • Cloud
      Cover
      81%
    • Precip
      25%
    more
Next Previous
A shower or thunderstorm possible 77° Lo 71° RealFeel® 79° / 70°

N

E

S

W

  • Precipitation: 58%
  • Rain: 0.28 in
  • Snow: 0 in
  • Humidity: 77%
  • Cloud Cover: 89%
  • Dew Point: 67° F
  • Visibility: 9 mi
7 mph

Marcus Hook Tide Table - May 20

See all tide tables >
Low 3:13 AM 0.8 ft
High 8:36 AM 5.5 ft
Low 3:41 PM 0.6 ft
High 9:14 PM 6.1 ft

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 77° 74° 96° (1996) 80°
Low 67° 54° 37° (2002) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:32 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:20 PM with 11:48 of moolight, then sets at 3:08 AM

Breaking Weather: Saturday's Severe Threat

May 18, 2013; 3:59 AM ET Hail, high winds and tornados will take aim at the western Plains Saturday.

Mon. Beach & Pool

Mon. UV Index

Mon. Wind Maps