Pilarcitos C Bl Spillway nr Hillsborough Ca River

USGS · 111626182

PILARCITOS C BL SPILLWAY NR HILLSBOROUGH CA RIVER

USGS · 111626182LIVE

PILARCITOS C BL SPILLWAY NR HILLSBOROUGH CA

SAN MATEO COUNTY, CA37.5477°N, -122.4209°W Updated 20 min ago

FLOW RATE

1.82cfs

GAUGE HT

2.37ft

AIR TEMP

70°F

WIND

13mph SW

FISH INDEX

63SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

1.82cfs 16.3% vs avg

Optimal band: 2–2 cfs

PERIOD HIGH

1.82cfs

PERIOD LOW

1.74cfs

RUNNABLE

last 1 day in band

Gauge Height

2.37ft

Precipitation History

Your History · PILARCITOS C BL SPILLWAY NR HILLSBOROUGH CA

Track your history

Sign in to track your sessions at PILARCITOS C BL SPILLWAY NR HILLSBOROUGH CA — best days, monthly trends, and time on the water.

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

71°

53°

SUN

61°

52°

MON

63°

51°

TUE

62°

54°

WED

68°

53°

THU

66°

53°

FRI

69°

52°

TIME

SAT

NOW

SUN

MON

TUE

WED

THU

TEMP

hourly forecast

58°

mild

58°

56°

55°

54°

53°

52°

53°

54°

55°

56°

57°

59°

61°

60°

59°

58°

56°

54°

53°

52°

51°

52°

54°

57°

61°

63°

62°

60°

58°

56°

55°

54°

55°

56°

57°

59°

61°

62°

61°

60°

59°

57°

55°

54°

56°

59°

62°

64°

67°

68°

67°

64°

62°

60°

58°

55°

53°

54°

55°

56°

58°

62°

64°

65°

66°

WIND

mph · gust · dir

12mph WSW

G 19 mph

G19

WSW

G18

WSW

G16

WSW

G15

WSW

G15

WSW

G17

WSW

G16

WSW

G15

WSW

G15

WSW

G17

WSW

G17

WSW

G17

WSW

G15

G16

G18

G20

G23

G24

WSW

G24

WSW

G24

WSW

G24

WSW

G24

WSW

G23

WSW

G22

WSW

G21

WSW

G19

WSW

G18

WSW

G16

WSW

G16

WSW

G16

WSW

G17

WSW

G17

WSW

G16

WSW

G17

WSW

G17

WSW

G13

WSW

G10

WSW

WNW

WSW

WNW

G10

WNW

WSW

PRECIP

chance %

CLOUDS

cover %

100%

overcast

100%

97%

100%

96%

38%

87%

80%

11%

20%

12%

87%

100%

84%

54%

30%

10%

49%

81%

92%

100%

65%

100%

42%

33%

40%

19%

29%

52%

47%

76%

80%

88%

93%

100%

89%

68%

13%

12%

56%

26%

17%

24%

35%

47%

67%

93%

100%

90%

75%

59%

39%

18%

PRESSURE

hPa · trend

991

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Moderate

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:53 AM

SUNSET

08:34 PM

14H 41M OF DAYLIGHT

MOON PHASE

Waning Gibbous

76% illuminated

Station Location

37.5477, -122.4209

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-04 21:00 UTC

Site #111626182·USGS

Create a free account to save favorites, set flow alerts, and track conditions