USGS · 01096508

MERRIMACK RIVER

USGS · 01096508LIVE

MERRIMACK RIVER AT NASHUA, NH

HUDSON, NH42.7634°N, -71.4428°W

AIR TEMP

79°F

WIND

4mph WSW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

—cfs

No flow data available

Precipitation History

Your History · MERRIMACK RIVER AT NASHUA, NH

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Weather Conditions

WEATHER CONDITIONS

TODAY

98°

73°

FRI

97°

76°

SAT

88°

68°

SUN

87°

61°

MON

83°

61°

TUE

67°

59°

WED

66°

59°

TIME

THU

NOW

FRI

SAT

SUN

MON

TUE

TEMP

hourly forecast

95°

mild

95°

96°

97°

98°

96°

95°

92°

88°

85°

83°

82°

81°

80°

79°

78°

76°

81°

85°

88°

90°

92°

94°

95°

96°

97°

96°

95°

92°

89°

85°

84°

82°

80°

79°

78°

77°

78°

82°

84°

87°

86°

84°

81°

73°

84°

88°

82°

79°

77°

73°

69°

68°

67°

66°

65°

63°

62°

61°

66°

71°

76°

79°

82°

84°

87°

86°

84°

78°

72°

69°

68°

65°

64°

63°

62°

61°

62°

65°

69°

73°

74°

79°

81°

83°

82°

79°

77°

72°

69°

68°

67°

66°

65°

63°

WIND

mph · gust · dir

9mph WNW

G 14 mph

G14

WNW

G15

G18

G21

WSW

G20

WSW

G20

WSW

G18

WSW

G18

WSW

G18

WSW

G10

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

G18

WNW

G20

G16

WNW

G12

WNW

G12

WNW

G13

G15

NNW

G15

G17

WNW

G15

WNW

G16

G15

NNW

G13

NNW

G19

NNW

G20

G24

G23

G22

G18

G15

NNW

G12

NNW

G13

NNW

G12

G14

G11

NNW

G10

NNW

NNE

NNW

G12

NNE

G17

ESE

G11

SSW

WSW

NNE

WNW

SSW

WSW

G10

G11

ENE

G10

ESE

G13

G15

SSW

G14

SSW

G12

SSW

G11

SSW

G10

ENE

PRECIP

chance %

23%

11%

27%

32%

41%

33%

CLOUDS

cover %

clear

13%

11%

99%

100%

14%

100%

95%

79%

95%

100%

95%

100%

35%

14%

10%

84%

88%

34%

100%

91%

100%

11%

100%

44%

11%

12%

21%

33%

10%

12%

97%

88%

100%

98%

100%

93%

100%

13%

100%

98%

76%

100%

PRESSURE

hPa · trend

1009

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 DAYLIGHT8H 29M REMAINING

MOON PHASE

Waning Gibbous

93% illuminated

Station Location

42.7634, -71.4428

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DATA · USGS · NOAA · NWSUPDATED 2026-07-02 11:58 UTC

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