USGS · 01589035

PATAPSCO RIVER

USGS · 01589035LIVE

PATAPSCO RIVER NEAR ELKRIDGE, MD

MARYLAND39.2273°N, -76.7230°W Updated 14 hr ago

FLOW RATE

47cfs

AIR TEMP

97°F

WIND

7mph WNW

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

47cfs 48.6% vs avg

Optimal band: 69–93 cfs

PERIOD HIGH

1,492cfs

PERIOD LOW

42cfs

RUNNABLE

30%

last 1 year in band

Precipitation History

Your History · PATAPSCO RIVER NEAR ELKRIDGE, MD

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Weather Conditions

WEATHER CONDITIONS

TODAY

104°

83°

SUN

99°

76°

MON

82°

70°

TUE

75°

68°

WED

87°

63°

THU

94°

69°

FRI

96°

73°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

104°

mild

104°

103°

87°

85°

84°

83°

85°

81°

80°

78°

76°

77°

79°

81°

85°

89°

92°

95°

97°

98°

99°

88°

79°

78°

77°

76°

75°

74°

77°

80°

82°

74°

73°

76°

79°

80°

79°

77°

73°

71°

70°

69°

68°

69°

70°

72°

74°

75°

74°

72°

71°

70°

69°

68°

67°

66°

65°

64°

63°

65°

68°

72°

75°

79°

82°

85°

87°

86°

84°

80°

77°

75°

74°

72°

71°

70°

69°

70°

71°

73°

77°

WIND

mph · gust · dir

8mph WSW

G 18 mph

G18

WSW

G19

WSW

G15

G21

WSW

G25

SSW

SSE

G19

G12

G11

NNE

G11

G10

G11

WSW

G12

ENE

G10

ENE

SSE

G10

SSE

G11

ESE

G13

SSE

G39

WNW

G22

ESE

G14

ESE

NNW

NNE

WSW

ENE

G11

NNE

G14

G12

G10

NNE

G10

G13

G14

NNE

G12

NNE

G13

G10

NNE

G11

G12

G11

G13

G14

G13

G11

G12

NNE

G11

NNE

G12

NNE

G12

NNE

G13

NNE

G13

G16

NNE

G15

G14

G11

G10

NNE

G10

NNE

ENE

SSE

SSW

SSE

G10

SSE

G15

SSE

G16

G20

G22

G23

G22

G20

SSW

G19

SSW

G17

SSW

G16

SSW

PRECIP

chance %

13%

32%

23%

24%

17%

22%

30%

25%

20%

13%

14%

20%

22%

33%

47%

52%

84%

30%

60%

78%

73%

54%

25%

31%

30%

CLOUDS

cover %

clear

100%

91%

60%

83%

100%

69%

100%

92%

81%

74%

44%

77%

22%

100%

97%

100%

75%

100%

92%

99%

100%

22%

17%

43%

99%

38%

75%

100%

88%

100%

73%

100%

85%

100%

78%

69%

100%

48%

11%

10%

49%

PRESSURE

hPa · trend

1010

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Falling — Active

Moon Phase

Average

DAYLIGHT

SUNRISE

05:45 AM

SUNSET

08:36 PM

14H 51M OF DAYLIGHT

MOON PHASE

Waning Gibbous

78% illuminated

Station Location

39.2273, -76.7230

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DATA · USGS · NOAA · NWSUPDATED 2026-07-04 00:00 UTC

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