Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

46.6°F

Measurement Time: Thursday, April 2, 2026, 4:06 AM EDT

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

42.8°F
Overcast
Overcast
35.8°F
43.9°F
93%
ENE 13.6 mph
17.5 mph
38.5°F
40.7°F
0 in
100%
8 mi
1030 mbar
0.3

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 45°F
L: 38°F
Overcast
Fri
H: 52°F
L: 38°F
Moderate rain
Sat
H: 54°F
L: 39°F
Patchy rain nearby
Sun
H: 58°F
L: 38°F
Sunny
Mon
H: 50°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 3.75 μg/m3
Carbon Monoxide: 202.85 μg/m3
Nitrogen Dioxide: 10.35 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:00 AM
Sunset: 7:20 PM
Daylight: 12 hrs 44 mins
Moonrise: 8:17 PM
Moon Transit: 12:57 AM
Moonset: 6:33 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:27 AM - 2:57 AM
3:05 PM - 5:35 PM

Minor Periods

7:47 PM - 9:17 PM
6:03 AM - 7:33 AM

Action Rating: 4 out of 5

Coastal Flood Statement issued April 2 at 5:08AM EDT until April 2 at 10:00PM EDT by NWS Upton NY

Effective: Thu April 2, 2026, 5:08 AM
Expires: Thu April 2, 2026, 10:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In New Jersey, Hudson, Eastern Essex and Eastern Union Counties. In New York, Richmond (Staten Island) and Southern Nassau Counties. * WHEN...This evening. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.
Thursday, April 2, 2026

Weather Forecast

Patchy rain nearby
45.1°F
38.3°F
44.2°F
86%
0.06 in
85%
0%
16.1 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.62 μg/m3
PM10: 5.9 μg/m3
Carbon Monoxide: 215.81 μg/m3
Nitrogen Dioxide: 11.98 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:00 AM
Sunset: 7:20 PM
Daylight: 12 hrs 44 mins
Moonrise: 8:17 PM
Moon Transit: 12:57 AM
Moonset: 6:33 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:27 AM - 2:57 AM
3:05 PM - 5:35 PM

Minor Periods

7:47 PM - 9:17 PM
6:03 AM - 7:33 AM

Action Rating: 4 out of 5

Friday, April 3, 2026

Weather Forecast

Overcast
52°F
37.8°F
44.3°F
91%
0 in
0%
0%
12.5 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 8.49 μg/m3
PM10: 9.43 μg/m3
Carbon Monoxide: 195.21 μg/m3
Nitrogen Dioxide: 18.48 μg/m3
Sulphur Dioxide: 4.49 μg/m3
Ozone: 65.84 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:00 AM
Sunset: 7:21 PM
Daylight: 12 hrs 47 mins
Moonrise: 9:22 PM
Moon Transit: 1:40 AM
Moonset: 6:55 AM
Moon Phase: Full
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
3:49 PM - 6:19 PM

Minor Periods

8:52 PM - 10:22 PM
6:25 AM - 7:55 AM

Action Rating: 4 out of 5

Saturday, April 4, 2026

Weather Forecast

Moderate rain
53.6°F
38.8°F
46.9°F
93%
0.64 in
88%
0%
15.4 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 11.01 μg/m3
PM10: 11.28 μg/m3
Carbon Monoxide: 236.01 μg/m3
Nitrogen Dioxide: 22.67 μg/m3
Sulphur Dioxide: 5.63 μg/m3
Ozone: 66.76 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:00 AM
Sunset: 7:22 PM
Daylight: 12 hrs 50 mins
Moonrise: 10:27 PM
Moon Transit: 2:24 AM
Moonset: 7:20 AM
Moon Phase: Full
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

1:54 AM - 4:24 AM
4:34 PM - 7:04 PM

Minor Periods

9:57 PM - 11:27 PM
6:50 AM - 8:20 AM

Action Rating: 5 out of 5

Sunday, April 5, 2026

Weather Forecast

Patchy rain nearby
57.5°F
37.6°F
50.2°F
88%
0.2 in
86%
0%
16.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 8.22 μg/m3
PM10: 9.32 μg/m3
Carbon Monoxide: 208.98 μg/m3
Nitrogen Dioxide: 15.37 μg/m3
Sulphur Dioxide: 3.99 μg/m3
Ozone: 63.52 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:56 AM
Sunset: 7:23 PM
Daylight: 12 hrs 52 mins
Moonrise: 11:30 PM
Moon Transit: 3:11 AM
Moonset: 7:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.9%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
5:22 PM - 7:52 PM

Minor Periods

12:00 AM - 12:00 AM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Monday, April 6, 2026

Weather Forecast

Sunny
49.7°F
38.4°F
43.9°F
55%
0 in
0%
0%
17 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.97 μg/m3
PM10: 2.99 μg/m3
Carbon Monoxide: 180.83 μg/m3
Nitrogen Dioxide: 7.29 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 78.92 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 12:56 AM
Sunset: 7:24 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:30 AM
Moon Transit: 4:00 AM
Moonset: 8:25 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
6:12 PM - 8:42 PM

Minor Periods

7:55 AM - 9:25 AM
12:00 AM - 12:00 AM

Action Rating: 3 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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