USGS · 01477200

DELAWARE RIVER

USGS · 01477200LIVE

Delaware River at Marcus Hook, PA

MARCUS HOOK, PA39.8119°N, -75.4091°W

AIR TEMP

74°F

WIND

4mph WSW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

—cfs

No flow data available

Precipitation History

Your History · Delaware River at Marcus Hook, PA

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Weather Conditions

WEATHER CONDITIONS

TODAY

77°

71°

SUN

74°

68°

MON

89°

68°

TUE

92°

66°

WED

101°

68°

THU

102°

75°

FRI

102°

79°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

71°

mild

71°

73°

75°

76°

75°

77°

76°

75°

76°

74°

75°

74°

72°

71°

70°

69°

68°

69°

71°

73°

74°

73°

72°

73°

72°

73°

74°

73°

71°

70°

69°

68°

71°

74°

77°

79°

82°

86°

88°

89°

88°

82°

78°

79°

77°

76°

75°

71°

69°

68°

67°

66°

69°

73°

77°

80°

84°

87°

89°

91°

92°

90°

87°

79°

76°

75°

74°

71°

70°

69°

68°

69°

71°

75°

79°

85°

90°

93°

97°

99°

100°

101°

100°

96°

91°

86°

83°

80°

78°

76°

WIND

mph · gust · dir

4mph NNW

G 5 mph

NNW

NNE

ESE

G12

ENE

G16

G15

G13

G12

ENE

G11

G12

NNE

G10

G11

G10

G11

G12

NNE

G16

G12

SSE

SSW

NNE

ENE

ESE

ENE

ESE

SSE

G15

G14

G17

G18

G17

G15

G13

G10

G13

SSW

G10

SSW

G10

SSW

G10

G11

SSW

G16

G17

G19

G24

SSW

G24

SSW

G24

SSW

G26

G27

SSW

G27

SSW

G27

SSW

G24

G19

G15

G11

WSW

G10

WSW

G10

WSW

G11

G13

WNW

G14

WNW

G14

WNW

G14

G13

WSW

G10

SSW

G15

G16

G13

SSW

PRECIP

chance %

30%

29%

24%

19%

15%

18%

20%

25%

26%

28%

27%

26%

22%

19%

12%

10%

12%

17%

19%

21%

17%

12%

18%

21%

10%

CLOUDS

cover %

100%

overcast

100%

96%

86%

99%

100%

82%

62%

33%

12%

62%

20%

22%

44%

54%

80%

88%

100%

76%

100%

91%

85%

43%

35%

72%

48%

100%

12%

33%

81%

100%

17%

74%

100%

53%

94%

100%

73%

10%

47%

100%

19%

44%

32%

85%

17%

11%

94%

97%

36%

59%

85%

100%

58%

PRESSURE

hPa · trend

1017

TemperatureWind / GustsPrecipitationCloud coverPressure

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FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:35 AM

SUNSET

08:34 PM

14H 59M OF DAYLIGHT14H 58M REMAINING

MOON PHASE

Waxing Gibbous

91% illuminated

Station Location

39.8119, -75.4091

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DATA · USGS · NOAA · NWSUPDATED 2026-06-27 05:36 UTC

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