Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

76.6°F

Measurement Time: Sunday, August 2, 2026, 6:06 PM 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

75.7°F
Patchy rain nearby
Patchy rain nearby
81.7°F
80.6°F
94%
SE 7.2 mph
10.4 mph
75.7°F
74°F
0 in
100%
3 mi
1011 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 88°F
L: 72°F
Light rain shower
Mon
H: 80°F
L: 67°F
Sunny
Tue
H: 81°F
L: 63°F
Patchy rain nearby
Wed
H: 77°F
L: 69°F
Patchy rain nearby
Thu
H: 88°F
L: 72°F

Air Quality

AQI: 2 - Moderate
PM2.5: 8.6 μg/m3
PM10: 11.2 μg/m3
Carbon Monoxide: 115 μg/m3
Nitrogen Dioxide: 9 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:00 PM
Sunset: 8:09 PM
Daylight: 14 hrs 19 mins
Moonrise: 10:01 PM
Moon Transit: 3:40 AM
Moonset: 9:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:10 AM - 5:40 AM
5:49 PM - 8:19 PM

Minor Periods

9:31 PM - 11:01 PM
9:23 AM - 10:53 AM

Action Rating: 4 out of 5

Small Craft Advisory issued August 2 at 2:37PM EDT until August 3 at 8:00PM EDT by NWS Upton NY

Effective: Sun August 2, 2026, 2:37 PM
Expires: Mon August 3, 2026, 4:00 AM

* WHAT...South winds 10 to 20 kt with gusts up to 30 kt and seas around 2 feet expected. * WHERE...Long Island Sound from Port Jefferson and New Haven east to Orient Point and the Connecticut River, and Peconic and Gardiners Bays. * WHEN...From 4 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Sunday, August 2, 2026

Weather Forecast

Sunny
88.3°F
72°F
78.1°F
82%
0 in
12%
0%
13.6 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 10.85 μg/m3
PM10: 13.72 μg/m3
Carbon Monoxide: 121.79 μg/m3
Nitrogen Dioxide: 7.78 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 86.21 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:00 PM
Sunset: 8:09 PM
Daylight: 14 hrs 19 mins
Moonrise: 10:01 PM
Moon Transit: 3:40 AM
Moonset: 9:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:10 AM - 5:40 AM
5:49 PM - 8:19 PM

Minor Periods

9:31 PM - 11:01 PM
9:23 AM - 10:53 AM

Action Rating: 4 out of 5

Monday, August 3, 2026

Weather Forecast

Light rain shower
79.5°F
66.9°F
75.5°F
90%
1.66 in
87%
0%
13.6 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 5.31 μg/m3
PM10: 5.8 μg/m3
Carbon Monoxide: 126.13 μg/m3
Nitrogen Dioxide: 7.82 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 73.21 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:00 PM
Sunset: 8:08 PM
Daylight: 14 hrs 16 mins
Moonrise: 10:23 PM
Moon Transit: 12:00 AM
Moonset: 11:01 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:33 PM - 9:03 PM

Minor Periods

9:53 PM - 11:23 PM
10:31 AM - 12:01 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
80.9°F
62.8°F
71.6°F
64%
0 in
5%
0%
6.9 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 8.45 μg/m3
PM10: 8.53 μg/m3
Carbon Monoxide: 151.63 μg/m3
Nitrogen Dioxide: 11.64 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 69.71 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:00 PM
Sunset: 8:07 PM
Daylight: 14 hrs 14 mins
Moonrise: 10:48 PM
Moon Transit: 5:10 AM
Moonset: 12:10 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
7:21 PM - 9:51 PM

Minor Periods

10:18 PM - 11:48 PM
11:40 AM - 1:10 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Patchy rain nearby
76.6°F
69.1°F
72.4°F
88%
0.62 in
89%
0%
9.2 mph
4.8


Air Quality

AQI: 2 - Moderate
PM2.5: 28.53 μg/m3
PM10: 29.45 μg/m3
Carbon Monoxide: 204.13 μg/m3
Nitrogen Dioxide: 30.83 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 94.25 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:00 PM
Sunset: 8:05 PM
Daylight: 14 hrs 12 mins
Moonrise: 11:18 PM
Moon Transit: 5:58 AM
Moonset: 1:23 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

12:00 AM - 12:00 AM
12:53 AM - 2:23 PM

Action Rating: 4 out of 5

Thursday, August 6, 2026

Weather Forecast

Patchy rain nearby
87.8°F
71.5°F
78.6°F
81%
0.09 in
65%
0%
12.3 mph
9.1


Air Quality

AQI: 2 - Moderate
PM2.5: 16.65 μg/m3
PM10: 18.66 μg/m3
Carbon Monoxide: 165.29 μg/m3
Nitrogen Dioxide: 23.85 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 72.67 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:00 PM
Sunset: 8:04 PM
Daylight: 14 hrs 10 mins
Moonrise: 12:18 AM
Moon Transit: 6:52 AM
Moonset: 2:39 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
9:08 PM - 11:38 PM

Minor Periods

2:09 PM - 3:39 PM
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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