USGS · 0164425950

HORSEPEN RUN

USGS · 0164425950LIVE

HORSEPEN RUN AB HORSEPEN RUN TRIB NR HERNDON, VA

RESTON, VA38.9226°N, -77.4058°W

AIR TEMP

69°F

WIND

4mph N

FISH INDEX

81SCORE / 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 · HORSEPEN RUN AB HORSEPEN RUN TRIB NR HERNDON, VA

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Weather Conditions

WEATHER CONDITIONS

TODAY

86°

69°

TUE

92°

69°

WED

101°

70°

THU

102°

77°

FRI

104°

78°

SAT

105°

70°

SUN

101°

71°

TIME

MON

NOW

TUE

WED

THU

FRI

SAT

TEMP

hourly forecast

77°

mild

77°

79°

80°

82°

83°

85°

86°

85°

83°

81°

78°

76°

73°

72°

71°

70°

69°

71°

74°

77°

80°

83°

86°

89°

91°

92°

91°

89°

85°

81°

79°

76°

75°

74°

73°

72°

70°

71°

75°

81°

87°

92°

95°

98°

99°

100°

101°

97°

90°

87°

85°

84°

83°

82°

81°

80°

79°

78°

77°

79°

83°

87°

91°

94°

97°

99°

101°

102°

101°

97°

91°

88°

87°

84°

83°

82°

81°

80°

79°

78°

79°

84°

88°

92°

95°

98°

100°

102°

103°

104°

102°

80°

79°

78°

79°

80°

79°

78°

76°

74°

73°

WIND

mph · gust · dir

2mph NE

G 5 mph

NNE

SSE

G12

G16

SSE

G16

G14

G11

SSE

G11

G14

G15

SSW

G15

SSW

G14

G12

G11

G12

SSE

G11

SSE

G12

SSE

G14

SSE

G15

SSE

G19

G23

G19

G18

SSE

G17

SSE

G22

G25

G27

G30

SSW

G28

SSW

G23

SSW

G17

SSW

G11

WNW

NNW

G10

G11

NNE

WSW

WNW

NNW

NNE

ENE

ESE

SSE

WSW

SSW

WSW

WNW

G11

G12

NNW

NNE

NNW

WNW

G32

WNW

G16

NNW

G12

NNW

WNW

PRECIP

chance %

10%

22%

CLOUDS

cover %

27%

few

27%

29%

25%

35%

21%

16%

12%

18%

36%

80%

62%

80%

82%

100%

30%

89%

95%

31%

93%

41%

70%

69%

45%

25%

50%

10%

11%

55%

10%

26%

19%

53%

26%

94%

78%

100%

32%

85%

54%

12%

11%

10%

11%

19%

100%

85%

65%

50%

49%

53%

PRESSURE

hPa · trend

1007

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Rising — Slow

Moon Phase

Peak Activity

DAYLIGHT

SUNRISE

05:47 AM

SUNSET

08:39 PM

14H 52M OF DAYLIGHT11H 5M REMAINING

MOON PHASE

Full Moon

100% illuminated

PEAK ACTIVITY

Station Location

38.9226, -77.4058

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DATA · USGS · NOAA · NWSUPDATED 2026-06-29 09:34 UTC

Site #0164425950·USGS

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