USGS · 01654107

LONG BRANCH

USGS · 01654107LIVE

LONG BRANCH AT OLLEY LANE NR FAIRFAX, VA

SPRINGFIELD, VA38.8246°N, -77.2667°W Updated 29 min ago

FLOW RATE

0.35cfs

GAUGE HT

2.10ft

WATER TEMP

74°F

AIR TEMP

73°F

WIND

4mph NNE

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

0.35cfs 30.9% vs avg

Optimal band: 0–0 cfs

PERIOD HIGH

1.71cfs

PERIOD LOW

0.24cfs

RUNNABLE

last 1 day in band

Gauge Height

2.10ft

Water Temperature

73.6°F

Water Turbidity

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

83°

71°

MON

85°

65°

TUE

90°

66°

WED

99°

69°

THU

99°

79°

FRI

92°

75°

SAT

92°

67°

TIME

SUN

NOW

MON

TUE

WED

THU

FRI

TEMP

hourly forecast

74°

mild

74°

76°

78°

79°

81°

82°

83°

82°

81°

79°

76°

74°

72°

71°

70°

69°

68°

67°

66°

65°

67°

71°

74°

76°

78°

80°

82°

83°

84°

85°

83°

79°

76°

73°

72°

70°

69°

68°

67°

66°

68°

71°

75°

80°

84°

86°

88°

89°

90°

89°

87°

81°

77°

75°

73°

72°

71°

70°

69°

71°

76°

81°

85°

89°

92°

95°

97°

99°

96°

90°

87°

86°

85°

84°

83°

82°

81°

80°

79°

82°

85°

88°

91°

93°

96°

98°

99°

95°

89°

93°

89°

86°

84°

82°

81°

80°

79°

78°

77°

WIND

mph · gust · dir

8mph ENE

G 17 mph

G17

ENE

G15

ENE

G15

G14

G13

G12

ESE

G11

ESE

G12

ESE

G12

ESE

G13

ESE

G14

G15

G17

ESE

G17

ESE

G13

G12

G10

SSE

WNW

NNW

NNE

ENE

ESE

SSE

G11

G13

G14

G10

SSW

WNW

NNW

SSW

G11

SSW

G15

SSW

G14

SSW

G14

G16

G14

G10

WSW

WNW

G11

WNW

G10

WNW

G10

WSW

WNW

WSW

WNW

G11

G16

G13

G17

G16

G15

G17

G15

WNW

G16

WNW

G17

WNW

G16

NNW

G17

NNW

G16

NNW

G20

G21

NNW

G22

NNW

G21

NNW

G18

NNW

G13

NNW

PRECIP

chance %

10%

13%

10%

CLOUDS

cover %

99%

overcast

99%

100%

99%

100%

88%

13%

100%

98%

85%

100%

72%

100%

73%

25%

52%

75%

100%

10%

100%

72%

100%

89%

100%

18%

21%

92%

100%

34%

43%

45%

58%

82%

100%

95%

90%

91%

PRESSURE

hPa · trend

1009

TemperatureWind / GustsPrecipitationCloud coverPressure

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FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Average

DAYLIGHT

SUNRISE

05:54 AM

SUNSET

08:35 PM

14H 41M OF DAYLIGHT

MOON PHASE

Waning Crescent

7% illuminated

Station Location

38.8246, -77.2667

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 07:35 UTC

Site #01654107·USGS

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