USGS · 01104500

CHARLES RIVER

USGS · 01104500LIVE

CHARLES RIVER AT WALTHAM, MA

WALTHAM, MA42.3723°N, -71.2337°W Updated 45 min ago

FLOW RATE

54.5cfs

GAUGE HT

0.93ft

AIR TEMP

83°F

WIND

7mph WSW

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

54.5cfs 59.1% vs avg

Optimal band: 48–64 cfs

PERIOD HIGH

57.5cfs

PERIOD LOW

54.5cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

0.93ft

Precipitation History

Your History · CHARLES RIVER AT WALTHAM, MA

Track your history

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Weather Conditions

WEATHER CONDITIONS

TODAY

84°

59°

FRI

80°

64°

SAT

78°

62°

SUN

85°

60°

MON

83°

61°

TUE

93°

63°

WED

78°

64°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

79°

mild

79°

75°

73°

71°

70°

69°

68°

67°

65°

64°

65°

67°

70°

73°

75°

77°

80°

79°

71°

70°

69°

67°

66°

67°

69°

70°

71°

70°

71°

76°

78°

76°

75°

73°

72°

68°

64°

63°

62°

61°

60°

61°

63°

66°

71°

76°

79°

81°

83°

85°

84°

81°

79°

76°

74°

71°

66°

64°

63°

62°

61°

64°

69°

73°

76°

80°

82°

83°

82°

80°

78°

74°

70°

68°

67°

66°

65°

64°

63°

65°

69°

74°

78°

83°

86°

88°

90°

91°

92°

WIND

mph · gust · dir

2mph WNW

G 3 mph

WNW

G12

SSE

G11

G13

G11

WSW

G11

SSE

G11

G17

G16

SSW

G14

SSW

G14

SSW

G13

G10

G13

G14

WSW

G16

WSW

G15

WSW

G14

SSW

G11

SSW

G19

SSW

G13

ENE

SSW

NNW

WNW

SSW

WSW

WNW

ENE

G10

G13

G14

G11

G10

G11

ENE

NNW

NNE

ENE

ESE

G10

SSE

G15

G17

SSW

G18

SSW

G16

G17

SSW

G13

G10

WSW

WNW

NNW

NNE

ESE

SSW

G10

SSW

G10

WSW

G10

SSW

G10

SSW

G10

SSW

G10

G11

WSW

G12

PRECIP

chance %

12%

30%

58%

37%

32%

26%

16%

13%

18%

13%

12%

14%

16%

13%

20%

27%

35%

16%

18%

CLOUDS

cover %

100%

overcast

100%

32%

79%

36%

97%

100%

82%

78%

100%

76%

75%

93%

50%

57%

21%

30%

25%

76%

100%

78%

65%

100%

42%

83%

100%

65%

95%

35%

12%

15%

10%

11%

12%

68%

20%

11%

100%

24%

92%

38%

100%

78%

19%

12%

43%

85%

100%

15%

50%

68%

100%

10%

13%

21%

44%

65%

79%

92%

100%

PRESSURE

hPa · trend

1016

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Too Hot

Wind

Light

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:09 AM

SUNSET

08:25 PM

15H 16M OF DAYLIGHT0H 10M REMAINING

MOON PHASE

Waxing Gibbous

81% illuminated

Station Location

42.3723, -71.2337

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-06-25 20:15 UTC

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