USGS · 01096508

MERRIMACK RIVER

USGS · 01096508LIVE

MERRIMACK RIVER AT NASHUA, NH

HUDSON, NH42.7634°N, -71.4428°W

AIR TEMP

75°F

WIND

2mph SSE

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

—cfs

No flow data available

Precipitation History

Your History · MERRIMACK RIVER AT NASHUA, NH

Track your history

SPONSORED

Weather Conditions

WEATHER CONDITIONS

TODAY

97°

74°

FRI

97°

76°

SAT

95°

77°

SUN

89°

64°

MON

84°

61°

TUE

75°

55°

WED

83°

51°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

92°

mild

92°

94°

95°

96°

97°

96°

95°

92°

88°

85°

84°

82°

81°

80°

79°

78°

76°

81°

85°

88°

90°

92°

94°

95°

96°

97°

96°

95°

92°

89°

85°

84°

81°

80°

79°

77°

79°

82°

85°

88°

91°

93°

94°

95°

93°

82°

86°

80°

78°

77°

75°

73°

71°

68°

66°

65°

64°

68°

73°

77°

80°

82°

84°

87°

89°

88°

87°

86°

78°

71°

69°

68°

66°

65°

64°

62°

61°

62°

65°

69°

72°

75°

78°

80°

81°

83°

84°

78°

76°

74°

70°

68°

67°

66°

65°

64°

63°

WIND

mph · gust · dir

8mph WNW

G 14 mph

G14

WNW

G19

WNW

G18

G20

G19

WSW

G17

WSW

G22

G20

WSW

G19

WSW

G16

WSW

G12

WSW

G12

WSW

G11

WSW

G11

WSW

G11

G10

SSW

G13

G20

WNW

G17

WNW

G17

WNW

G19

WNW

G18

WNW

G21

G22

G21

G20

G18

G20

WSW

G19

G14

WSW

G14

G17

G20

G17

G18

G21

WNW

G18

G20

WNW

G16

WNW

G12

WNW

G13

WNW

G15

WNW

G15

WNW

G15

WNW

G17

WNW

G15

G16

NNW

G15

G10

G13

WNW

G19

G20

NNW

G24

G23

NNW

G22

NNW

G18

G15

G12

G13

NNW

G12

NNW

G14

NNW

G11

NNW

G10

NNE

ENE

G12

ESE

G17

G11

SSE

SSW

G10

SSW

G11

SSW

G11

G10

SSW

G13

SSW

G15

SSW

G15

SSW

G15

SSW

G14

SSW

G12

SSW

G12

SSW

G11

SSW

G10

PRECIP

chance %

23%

11%

27%

32%

41%

33%

CLOUDS

cover %

clear

14%

100%

95%

79%

95%

100%

81%

60%

90%

100%

11%

10%

18%

25%

29%

100%

68%

14%

10%

100%

12%

100%

14%

77%

16%

92%

97%

12%

25%

100%

PRESSURE

hPa · trend

1010

TemperatureWind / GustsPrecipitationCloud coverPressure

Nowscroll →

FISH INDEX

Temperature

Warm

Wind

Calm

Pressure

Stable

Moon Phase

Average

DAYLIGHT

SUNRISE

05:12 AM

SUNSET

08:27 PM

15H 15M OF DAYLIGHT9H 43M REMAINING

MOON PHASE

Waning Gibbous

94% illuminated

Station Location

42.7634, -71.4428

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-02 10:44 UTC

Site #01096508·USGS

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