Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

44.6°F

Measurement Time: Monday, March 16, 2026, 2:06 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

52°F
Heavy rain
Heavy rain
46.8°F
56.3°F
97%
S 16.8 mph
33.3 mph
52.8°F
56.1°F
0.16 in
100%
1 mi
1001 mbar
0

Five Day Weather Forecast

Heavy rain
Mon
H: 59°F
L: 41°F
Patchy rain nearby
Tue
H: 42°F
L: 29°F
Partly Cloudy
Wed
H: 34°F
L: 24°F
Partly Cloudy
Thu
H: 40°F
L: 29°F
Patchy rain nearby
Fri
H: 49°F
L: 36°F

Air Quality

AQI: 2 - Moderate
PM2.5: 3.55 μg/m3
PM10: 4.35 μg/m3
Carbon Monoxide: 123.85 μg/m3
Nitrogen Dioxide: 9.45 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:00 AM
Sunset: 7:02 PM
Daylight: 11 hrs 58 mins
Moonrise: 5:56 AM
Moon Transit: 11:09 AM
Moonset: 4:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
10:39 AM - 1:09 PM

Minor Periods

4:03 PM - 5:33 PM
5:26 AM - 6:56 AM

Action Rating: 3 out of 5

Flood Watch issued March 16 at 2:26AM EDT until March 17 at 8:00AM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 2:26 AM
Expires: Mon March 16, 2026, 4:30 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southern Connecticut, including the following areas, Northern Fairfield, Northern Middlesex, Northern New Haven, Northern New London, Southern Fairfield, Southern Middlesex, Southern New Haven and Southern New London. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Wind Advisory issued March 16 at 2:25AM EDT until March 17 at 4:00AM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 2:25 AM
Expires: Mon March 16, 2026, 4:30 PM

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of southern Connecticut, northeastern New Jersey, and southeastern New York. * WHEN...From 2 PM this afternoon to 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued March 16 at 1:35PM EDT until March 17 at 4:00AM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 1:35 PM
Expires: Tue March 17, 2026, 4:00 AM

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Locally damaging wind gusts possible with any thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Wind Advisory issued March 16 at 1:35PM EDT until March 17 at 4:00AM EDT by NWS Upton NY

Effective: Mon March 16, 2026, 1:35 PM
Expires: Tue March 17, 2026, 4:00 AM

* WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...In New Jersey, Eastern Passaic, Western Bergen, Western Essex, Western Passaic, and Western Union Counties. In New York, Northern Westchester, Orange, Putnam, and Rockland Counties. * WHEN...Until 4 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Locally damaging wind gusts possible with any thunderstorm activity this evening into tonight. This activity will be addressed by Special Weather Statements or Severe Thunderstorm Warnings as needed.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


Monday, March 16, 2026

Weather Forecast

Heavy rain
58.5°F
40.6°F
51.7°F
95%
1.06 in
89%
0%
31.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.55 μg/m3
PM10: 7.99 μg/m3
Carbon Monoxide: 161.53 μg/m3
Nitrogen Dioxide: 14.44 μg/m3
Sulphur Dioxide: 2.56 μg/m3
Ozone: 70.36 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:00 AM
Sunset: 7:02 PM
Daylight: 11 hrs 58 mins
Moonrise: 5:56 AM
Moon Transit: 11:09 AM
Moonset: 4:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
10:39 AM - 1:09 PM

Minor Periods

4:03 PM - 5:33 PM
5:26 AM - 6:56 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Patchy rain nearby
42.4°F
28.6°F
38.5°F
60%
0.07 in
88%
0%
33.1 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.82 μg/m3
PM10: 3.07 μg/m3
Carbon Monoxide: 177.37 μg/m3
Nitrogen Dioxide: 6.06 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 83.8 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:00 AM
Sunset: 7:03 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:20 AM
Moon Transit: 11:56 AM
Moonset: 5:43 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:19 AM - 3:49 AM
11:26 AM - 1:56 PM

Minor Periods

5:13 PM - 6:43 PM
5:50 AM - 7:20 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Partly Cloudy
34.3°F
23.7°F
28.7°F
51%
0 in
0%
0%
12.8 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 5.03 μg/m3
PM10: 5.33 μg/m3
Carbon Monoxide: 194.01 μg/m3
Nitrogen Dioxide: 10.79 μg/m3
Sulphur Dioxide: 2.8 μg/m3
Ozone: 80.16 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:00 AM
Sunset: 7:04 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:43 AM
Moon Transit: 12:42 AM
Moonset: 6:54 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
12:12 AM - 2:42 PM

Minor Periods

6:24 PM - 7:54 PM
6:13 AM - 7:43 AM

Action Rating: 3 out of 5

Thursday, March 19, 2026

Weather Forecast

Partly Cloudy
40.1°F
28.9°F
33.5°F
78%
0 in
0%
0%
8.9 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 10.62 μg/m3
PM10: 12.51 μg/m3
Carbon Monoxide: 190.65 μg/m3
Nitrogen Dioxide: 27.21 μg/m3
Sulphur Dioxide: 5.83 μg/m3
Ozone: 62.68 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:00 AM
Sunset: 7:05 PM
Daylight: 12 hrs 6 mins
Moonrise: 7:05 AM
Moon Transit: 1:31 AM
Moonset: 8:07 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:01 AM - 3:31 AM

Minor Periods

7:37 PM - 9:07 PM
6:35 AM - 8:05 AM

Action Rating: 4 out of 5

Friday, March 20, 2026

Weather Forecast

Patchy rain nearby
49.4°F
36°F
41.9°F
70%
0.12 in
67%
0%
13 mph
0.9


Air Quality

AQI: 2 - Moderate
PM2.5: 17 μg/m3
PM10: 19.36 μg/m3
Carbon Monoxide: 250.33 μg/m3
Nitrogen Dioxide: 33.83 μg/m3
Sulphur Dioxide: 7.44 μg/m3
Ozone: 48.62 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 10:27 AM
Sunset: 7:06 PM
Daylight: 12 hrs 9 mins
Moonrise: 7:29 AM
Moon Transit: 2:18 PM
Moonset: 9:23 PM
Moon Phase: New
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

3:41 AM - 6:11 AM
1:48 PM - 4:18 PM

Minor Periods

8:53 PM - 10:23 PM
6:59 AM - 8:29 AM

Action Rating: 4 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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