USGS · 01477200

DELAWARE RIVER

USGS · 01477200LIVE

Delaware River at Marcus Hook, PA

MARCUS HOOK, PA39.8119°N, -75.4091°W

AIR TEMP

73°F

WIND

2mph NNE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 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

78°

71°

SUN

75°

68°

MON

90°

68°

TUE

90°

67°

WED

99°

68°

THU

102°

77°

FRI

103°

75°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

73°

mild

73°

74°

75°

76°

77°

78°

75°

74°

73°

74°

75°

72°

71°

70°

69°

68°

69°

71°

73°

74°

73°

72°

73°

72°

74°

75°

74°

71°

70°

69°

68°

69°

70°

71°

72°

75°

77°

79°

82°

85°

88°

90°

86°

78°

79°

77°

75°

72°

71°

69°

68°

67°

70°

73°

77°

81°

84°

87°

88°

90°

89°

87°

84°

78°

75°

73°

72°

70°

68°

71°

75°

79°

84°

88°

91°

94°

96°

97°

98°

99°

98°

95°

89°

87°

85°

84°

81°

79°

78°

WIND

mph · gust · dir

1mph NNW

NNW

SSE

NNE

ENE

G10

SSE

ESE

ENE

G15

G13

G12

ENE

G11

G12

NNE

G10

G11

G10

G11

G12

NNE

G16

G12

G11

SSW

SSE

SSW

WSW

ENE

ESE

G15

SSW

G14

SSW

G14

SSW

G14

SSW

G15

G16

G12

SSW

G12

G17

G21

G23

G25

SSW

G25

SSW

G25

SSW

G26

G23

WSW

G24

G22

SSW

G22

G18

G14

WSW

G11

WSW

G10

WSW

G10

WSW

G10

WSW

G10

WSW

G11

WSW

G11

G13

G17

G20

G23

G25

G24

G21

PRECIP

chance %

16%

21%

20%

17%

22%

26%

23%

26%

37%

30%

29%

24%

19%

12%

10%

12%

17%

19%

21%

17%

12%

18%

21%

10%

CLOUDS

cover %

100%

overcast

100%

70%

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

1018

TemperatureWind / GustsPrecipitationCloud coverPressure

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FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:35 AM

SUNSET

08:34 PM

14H 59M OF DAYLIGHT13H 29M REMAINING

MOON PHASE

Waxing Gibbous

92% illuminated

Station Location

39.8119, -75.4091

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DATA · USGS · NOAA · NWSUPDATED 2026-06-27 07:05 UTC

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