USGS · 01081500

MERRIMACK RIVER

USGS · 01081500LIVE

MERRIMACK RIVER AT FRANKLIN JUNCTION, NH

FRANKLIN, NH43.4229°N, -71.6529°W Updated 1 hr ago

FLOW RATE

2,390cfs

GAUGE HT

5.70ft

AIR TEMP

76°F

WIND

1mph N

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

2,390cfs 2.8% vs avg

Optimal band: 2,108–2,852 cfs

PERIOD HIGH

2,680cfs

PERIOD LOW

1,940cfs

RUNNABLE

97%

last 1 day in band

Gauge Height

5.70ft

Precipitation History

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Weather Conditions

WEATHER CONDITIONS

TODAY

91°

73°

FRI

90°

74°

SAT

90°

68°

SUN

85°

60°

MON

82°

59°

TUE

77°

56°

WED

82°

51°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

86°

mild

86°

88°

90°

91°

90°

88°

85°

83°

80°

79°

78°

77°

76°

75°

74°

78°

81°

83°

85°

86°

88°

89°

90°

89°

87°

85°

82°

79°

78°

76°

74°

73°

71°

70°

71°

74°

78°

82°

84°

85°

88°

90°

82°

83°

89°

86°

79°

77°

76°

73°

68°

66°

65°

63°

62°

61°

60°

61°

65°

70°

74°

78°

81°

82°

83°

85°

84°

83°

78°

72°

70°

66°

65°

63°

61°

60°

61°

60°

59°

60°

65°

68°

71°

74°

76°

77°

80°

82°

81°

80°

74°

71°

68°

66°

65°

64°

63°

62°

WIND

mph · gust · dir

8mph WNW

G 18 mph

G18

WNW

G15

WNW

G15

G17

G15

G18

G20

G18

WSW

G19

WSW

NNW

NNE

ENE

G13

WNW

G18

WNW

G16

WNW

G17

WNW

G14

WNW

G16

G17

G19

WNW

G19

G17

G16

WNW

G10

WSW

G10

WSW

G10

WNW

G13

WNW

G14

WNW

G13

G12

WNW

G13

WNW

G13

WNW

G13

WNW

G16

G15

G14

WNW

G16

WNW

G15

WNW

G19

WNW

G18

G11

NNW

G10

NNW

ESE

SSE

WNW

SSW

G13

G12

WSW

PRECIP

chance %

16%

14%

28%

15%

29%

30%

26%

CLOUDS

cover %

clear

68%

100%

65%

62%

94%

100%

80%

75%

20%

16%

14%

11%

21%

100%

86%

90%

100%

16%

12%

10%

51%

74%

10%

11%

15%

88%

100%

99%

100%

83%

100%

19%

100%

87%

100%

PRESSURE

hPa · trend

1001

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:10 AM

SUNSET

08:30 PM

15H 20M OF DAYLIGHT9H 45M REMAINING

MOON PHASE

Waning Gibbous

94% illuminated

Station Location

43.4229, -71.6529

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-02 10:45 UTC

Site #01081500·USGS

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