Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

52.9°F

Measurement Time: Friday, November 7, 2025, 5:06 AM EST

Temperature Locations

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Local Points of Interest

The Maritime Aquarium

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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 / 0 meters

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

50.2°F
Sunny
Conditions: Sunny
Humidity: 52%
Feels Like: 45.9°F
Wind: SSW 11.2 mph
Wind Gusts: 15.3 mph
Pressure: 30.07 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.2

Five Day Weather Forecast

Patchy rain nearby
Fri
H: 62°F
L: 34°F
Heavy rain
Sat
H: 62°F
L: 51°F
Patchy rain nearby
Sun
H: 57°F
L: 52°F
Patchy rain nearby
Mon
H: 51°F
L: 36°F
Sunny
Tue
H: 43°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 4.45 μg/m3
Carbon Monoxide: 164.85 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 7.15 μg/m3
Ozone: 79 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 11:37 AM
Sunset: 4:42 PM
Daylight: 10 hrs 10 mins
Moonrise: 6:09 PM
Moon Transit: 1:14 AM
Moonset: 9:23 AM
Moon Phase: Full
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
3:36 PM - 6:06 PM

Minor Periods

5:39 PM - 7:09 PM
8:53 AM - 10:23 AM

Action Rating: 3 out of 5

Frost Advisory issued November 7 at 3:09AM EST until November 7 at 8:00AM EST by NWS Upton NY

Effective: Fri November 7, 2025, 3:09 AM
Expires: Fri November 7, 2025, 8:00 AM

* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 8 AM EST this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Coastal Flood Statement issued November 6 at 3:01PM EST until November 7 at 10:00AM EST by NWS Upton NY

Effective: Thu November 6, 2025, 3:01 PM
Expires: Fri November 7, 2025, 8:00 AM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau County. * WHEN...Friday morning. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. Some water on low lying roads and property.

Do not drive through flooded roadways.


Coastal Flood Statement issued November 7 at 5:23AM EST until November 7 at 10:00AM EST by NWS Upton NY

Effective: Fri November 7, 2025, 5:23 AM
Expires: Fri November 7, 2025, 10:00 AM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau County. * WHEN...Friday morning. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. Some water on low lying roads and property.

Do not drive through flooded roadways.
Friday, November 7, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 47.8°F
Average Humidity: 59%
Chance of Rain: 91%
Wind: 20.1 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 7.66 μg/m3
PM10: 7.87 μg/m3
Carbon Monoxide: 203.81 μg/m3
Nitrogen Dioxide: 23.62 μg/m3
Sulphur Dioxide: 5.73 μg/m3
Ozone: 50.48 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 11:37 AM
Sunset: 4:42 PM
Daylight: 10 hrs 10 mins
Moonrise: 6:09 PM
Moon Transit: 1:14 AM
Moonset: 9:23 AM
Moon Phase: Full
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
3:36 PM - 6:06 PM

Minor Periods

5:39 PM - 7:09 PM
8:53 AM - 10:23 AM

Action Rating: 3 out of 5

Saturday, November 8, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 53.9°F
Average Humidity: 86%
Chance of Rain: 85%
Wind: 13.6 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 6.51 μg/m3
PM10: 6.65 μg/m3
Carbon Monoxide: 194.33 μg/m3
Nitrogen Dioxide: 13.03 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 67.84 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 11:37 AM
Sunset: 4:41 PM
Daylight: 10 hrs 8 mins
Moonrise: 7:14 PM
Moon Transit: 2:20 AM
Moonset: 10:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
4:42 PM - 7:12 PM

Minor Periods

6:44 PM - 8:14 PM
10:04 AM - 11:34 AM

Action Rating: 3 out of 5

Sunday, November 9, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 54.8°F
Average Humidity: 94%
Chance of Rain: 74%
Wind: 7.4 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 8.53 μg/m3
PM10: 9.68 μg/m3
Carbon Monoxide: 223.09 μg/m3
Nitrogen Dioxide: 17.57 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 50.6 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 11:37 AM
Sunset: 4:40 PM
Daylight: 10 hrs 5 mins
Moonrise: 8:28 PM
Moon Transit: 3:25 AM
Moonset: 11:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

2:55 AM - 5:25 AM
5:45 PM - 8:15 PM

Minor Periods

7:58 PM - 9:28 PM
11:00 AM - 12:30 AM

Action Rating: 2 out of 5

Monday, November 10, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 47.8°F
Average Humidity: 77%
Chance of Rain: 86%
Wind: 15.9 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 7.73 μg/m3
PM10: 8.09 μg/m3
Carbon Monoxide: 218.41 μg/m3
Nitrogen Dioxide: 14.93 μg/m3
Sulphur Dioxide: 4.49 μg/m3
Ozone: 58.48 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 11:37 AM
Sunset: 4:39 PM
Daylight: 10 hrs 3 mins
Moonrise: 9:43 PM
Moon Transit: 4:26 AM
Moonset: 12:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

3:56 AM - 6:26 AM
6:42 PM - 9:12 PM

Minor Periods

9:13 PM - 10:43 PM
11:44 AM - 1:14 PM

Action Rating: 3 out of 5

Tuesday, November 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 35.5°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 18.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 1.87 μg/m3
PM10: 1.87 μg/m3
Carbon Monoxide: 173.39 μg/m3
Nitrogen Dioxide: 6.07 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 59.15 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 11:37 AM
Sunset: 4:38 PM
Daylight: 10 hrs 1 mins
Moonrise: 10:55 PM
Moon Transit: 5:21 AM
Moonset: 12:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

4:51 AM - 7:21 AM
7:34 PM - 10:04 PM

Minor Periods

10:25 PM - 11:55 PM
12:18 AM - 1:48 PM

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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