USGS · 01589025

PATAPSCO RIVER

USGS · 01589025LIVE

PATAPSCO RIVER NEAR CATONSVILLE, MD

BALTIMORE COUNTY, MD39.2512°N, -76.7638°W Updated 1 hr ago

FLOW RATE

40.1cfs

GAUGE HT

10.22ft

AIR TEMP

92°F

WIND

7mph WNW

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

40.1cfs 67.3% vs avg

Optimal band: 33–45 cfs

PERIOD HIGH

40.9cfs

PERIOD LOW

36.9cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

10.22ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

104°

79°

SUN

99°

74°

MON

80°

69°

TUE

74°

66°

WED

86°

62°

THU

92°

69°

FRI

93°

72°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

102°

mild

102°

103°

104°

85°

83°

80°

79°

78°

79°

81°

80°

79°

77°

78°

79°

82°

85°

88°

91°

93°

95°

97°

98°

99°

74°

76°

75°

74°

73°

72°

71°

72°

73°

74°

77°

80°

74°

72°

75°

78°

79°

78°

75°

71°

69°

68°

67°

68°

69°

71°

72°

74°

72°

70°

71°

69°

67°

66°

65°

64°

63°

62°

63°

67°

70°

74°

78°

81°

83°

85°

86°

85°

83°

80°

77°

75°

74°

73°

71°

70°

69°

71°

73°

WIND

mph · gust · dir

7mph WSW

G 14 mph

G14

WSW

G17

WSW

G16

G13

G53

ENE

ESE

G13

SSE

G10

NNW

G13

G12

ENE

G12

ESE

G11

ESE

G11

G15

ESE

G15

G12

ESE

G38

G22

G12

G14

ENE

G16

ENE

G11

ENE

G14

G17

SSE

G19

SSE

G19

ESE

G16

G12

NNE

NNW

NNE

G15

G17

NNE

G17

G16

NNE

G10

NNE

G11

NNE

G11

G12

G14

G15

G17

G20

G19

G20

NNE

G20

G19

G18

G19

G18

G14

NNE

G11

ENE

G12

G11

SSE

NNE

SSE

G10

SSW

SSE

G11

G13

G15

G17

G20

G19

SSW

G16

SSW

G13

SSW

PRECIP

chance %

13%

15%

33%

22%

24%

17%

22%

29%

25%

20%

13%

15%

21%

22%

33%

48%

53%

83%

30%

60%

78%

72%

53%

25%

31%

30%

CLOUDS

cover %

clear

100%

93%

85%

58%

77%

95%

100%

49%

100%

47%

100%

90%

100%

40%

73%

100%

96%

100%

48%

100%

21%

11%

38%

84%

53%

100%

92%

100%

97%

100%

88%

72%

96%

100%

60%

63%

100%

11%

58%

PRESSURE

hPa · trend

1008

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Falling — Active

Moon Phase

Average

DAYLIGHT

SUNRISE

05:46 AM

SUNSET

08:37 PM

14H 51M OF DAYLIGHT7H 0M REMAINING

MOON PHASE

Waning Gibbous

78% illuminated

Station Location

39.2512, -76.7638

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DATA · USGS · NOAA · NWSUPDATED 2026-07-04 13:37 UTC

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