Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

36.5°F

Measurement Time: Saturday, March 7, 2026, 6:06 AM EST

Temperature Locations

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Local Points of Interest

The Maritime Aquarium

Norwalk River

Station Name: NORWALK RIVER AT NORWALK AQUARIUM NR S NORWALK, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
50 N Water St
Norwalk, CT 06854
Fairfield County

GPS Coordinates: 41.10161944, -73.4159472

Nearby Water Temperatures

Norwalk River, Norwalk, CT (0.8 mi)
Norwalk Harbor, Norwalk, CT (1.5 mi)
Saugatuck River, Westport, CT (2.6 mi)
Saugatuck River, Westport Village, CT (2.9 mi)
Mill River, Fairfield, CT (6.8 mi)
Mill River, Southport, CT (7.3 mi)
Rooster River, Bridgeport, CT (11.6 mi)
Bridgeport Harbor, Bridgeport, CT (13.2 mi)
Frost Creek, Lattingtown, NY (16.4 mi)
Housatonic River, Stratford, CT (16.5 mi)
Flax Pond, Old Field, NY (17.1 mi)
East Creek, Sands Point, NY (22.4 mi)
Long Island Sound, Kings Point, NY (27.1 mi)
Hudson River, Yonkers, NY (27.9 mi)
Bronx River, Bronx, NY (29.1 mi)

Weather for Norwalk, Connecticut

Current Weather

37.9°F
Mist
Mist
33.6°F
36.8°F
92%
SSW 5.6 mph
8.5 mph
34.6°F
36.4°F
0 in
100%
1 mi
1023 mbar
1

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 41°F
L: 35°F
Fog
Sun
H: 54°F
L: 40°F
Freezing fog
Mon
H: 43°F
L: 29°F
Fog
Tue
H: 62°F
L: 34°F
Patchy rain nearby
Wed
H: 50°F
L: 47°F

Air Quality

AQI: 2 - Moderate
PM2.5: 12.45 μg/m3
PM10: 14.15 μg/m3
Carbon Monoxide: 204.85 μg/m3
Nitrogen Dioxide: 49.65 μg/m3
Sulphur Dioxide: 8.25 μg/m3
Ozone: 31 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 12:00 AM
Sunset: 5:51 PM
Daylight: 11 hrs 33 mins
Moonrise: 10:37 PM
Moon Transit: 2:46 AM
Moonset: 7:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:16 AM - 4:46 AM
4:55 PM - 7:25 PM

Minor Periods

10:07 PM - 11:37 PM
7:22 AM - 8:52 AM

Action Rating: 2 out of 5

Special Weather Statement issued March 7 at 3:29AM EST by NWS Upton NY

Effective: Sat March 7, 2026, 3:29 AM
Expires: Sat March 7, 2026, 10:00 AM

Locally dense fog is expected this morning. Motorists should be prepared for rapidly changing visibilities and should use caution if traveling. Slow down, use your low beam headlights, and leave plenty of distance ahead of you. Visibilities should begin improving by 10am.


Dense Fog Advisory issued March 7 at 6:28AM EST until March 7 at 10:00AM EST by NWS Upton NY

Effective: Sat March 7, 2026, 6:28 AM
Expires: Sat March 7, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northeast Suffolk, Northern Nassau, Northwest Suffolk, Southeast Suffolk, Southern Nassau, and Southwest Suffolk Counties. * WHEN...Until 10 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.
Saturday, March 7, 2026

Weather Forecast

Patchy rain nearby
40.8°F
34.5°F
38°F
98%
0.01 in
86%
0%
7.6 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 12.25 μg/m3
PM10: 13.81 μg/m3
Carbon Monoxide: 249.09 μg/m3
Nitrogen Dioxide: 36.25 μg/m3
Sulphur Dioxide: 5.49 μg/m3
Ozone: 40.2 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 12:00 AM
Sunset: 5:51 PM
Daylight: 11 hrs 33 mins
Moonrise: 10:37 PM
Moon Transit: 2:46 AM
Moonset: 7:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:16 AM - 4:46 AM
4:55 PM - 7:25 PM

Minor Periods

10:07 PM - 11:37 PM
7:22 AM - 8:52 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Fog
54.1°F
40.3°F
46.2°F
94%
0 in
0%
0%
13 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 13.43 μg/m3
PM10: 13.8 μg/m3
Carbon Monoxide: 207.93 μg/m3
Nitrogen Dioxide: 30.07 μg/m3
Sulphur Dioxide: 7.02 μg/m3
Ozone: 35.52 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 12:00 AM
Sunset: 5:53 PM
Daylight: 11 hrs 36 mins
Moonrise: 11:41 PM
Moon Transit: 3:31 AM
Moonset: 8:19 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:01 AM - 5:31 AM
5:41 PM - 8:11 PM

Minor Periods

12:00 AM - 12:00 AM
7:49 AM - 9:19 AM

Action Rating: 3 out of 5

Monday, March 9, 2026

Weather Forecast

Freezing fog
43.2°F
28.8°F
36.2°F
96%
0 in
0%
0%
10.7 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 11.09 μg/m3
PM10: 11.38 μg/m3
Carbon Monoxide: 262.77 μg/m3
Nitrogen Dioxide: 28.23 μg/m3
Sulphur Dioxide: 9.75 μg/m3
Ozone: 56.84 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 12:00 AM
Sunset: 5:54 PM
Daylight: 11 hrs 38 mins
Moonrise: 12:41 AM
Moon Transit: 4:18 AM
Moonset: 8:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

3:48 AM - 6:18 AM
6:30 PM - 9:00 PM

Minor Periods

8:20 AM - 9:50 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, March 10, 2026

Weather Forecast

Fog
61.6°F
34.3°F
42.7°F
88%
0 in
0%
0%
9.4 mph
2


Air Quality

AQI: 2 - Moderate
PM2.5: 24.36 μg/m3
PM10: 24.64 μg/m3
Carbon Monoxide: 325.26 μg/m3
Nitrogen Dioxide: 42.71 μg/m3
Sulphur Dioxide: 10.46 μg/m3
Ozone: 36.08 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 12:00 AM
Sunset: 5:55 PM
Daylight: 11 hrs 41 mins
Moonrise: 12:44 AM
Moon Transit: 5:07 AM
Moonset: 9:28 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

4:37 AM - 7:07 AM
7:20 PM - 9:50 PM

Minor Periods

8:58 AM - 10:28 AM
12:14 AM - 1:44 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Patchy rain nearby
50.2°F
46.5°F
48.2°F
96%
0.05 in
87%
0%
8.5 mph
2


Air Quality

AQI: 2 - Moderate
PM2.5: 28.62 μg/m3
PM10: 28.73 μg/m3
Carbon Monoxide: 412.75 μg/m3
Nitrogen Dioxide: 56.71 μg/m3
Sulphur Dioxide: 9.03 μg/m3
Ozone: 6.58 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 12:00 AM
Sunset: 5:56 PM
Daylight: 11 hrs 44 mins
Moonrise: 1:42 AM
Moon Transit: 5:58 AM
Moonset: 10:14 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
8:12 PM - 10:42 PM

Minor Periods

9:44 AM - 11:14 AM
1:12 AM - 2:42 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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