Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

61.0°F

Measurement Time: Sunday, October 19, 2025, 6:06 PM EDT

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

63°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 87%
Feels Like: 63°F
Wind: SSE 15.7 mph
Wind Gusts: 23.8 mph
Pressure: 29.85 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Sun
H: 73°F
L: 49°F
Moderate rain
Mon
H: 64°F
L: 51°F
Sunny
Tue
H: 66°F
L: 48°F
Partly Cloudy
Wed
H: 69°F
L: 52°F
Partly Cloudy
Thu
H: 55°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 7.35 μg/m3
PM10: 9.45 μg/m3
Carbon Monoxide: 133.85 μg/m3
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:38 AM
Sunset: 6:07 PM
Daylight: 10 hrs 57 mins
Moonrise: 5:17 AM
Moon Transit: 11:18 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
10:48 AM - 1:18 PM

Minor Periods

4:39 PM - 6:09 PM
4:47 AM - 6:17 AM

Action Rating: 3 out of 5

Coastal Flood Statement issued October 19 at 2:51AM EDT until October 20 at 12:00PM EDT by NWS Upton NY

Effective: Sun October 19, 2025, 2:51 AM
Expires: Mon October 20, 2025, 9:30 AM

* WHAT...Up to 1/2 ft of inundation above ground level in the most vulnerable areas near the waterfront and shoreline. * WHERE...Southern Fairfield, Southern New Haven, Southern Middlesex and Southern New London Counties. * WHEN...Monday morning. * IMPACTS...Some water on low lying roads and property. * IMPACTS...Brief minor flooding of the most vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.


Coastal Flood Statement issued October 19 at 2:51AM EDT until October 20 at 11:00AM EDT by NWS Upton NY

Effective: Sun October 19, 2025, 2:51 AM
Expires: Mon October 20, 2025, 9:30 AM

* WHAT...Up to 1/2 ft of inundation above ground level in the most vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...Monday morning. * IMPACTS...Brief minor flooding of the most vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.
Sunday, October 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.1°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 16.1 mph
UV Index: 0.8

Air Quality

AQI: 2 - Moderate
PM2.5: 18.04 μg/m3
PM10: 19.29 μg/m3
Carbon Monoxide: 236.33 μg/m3
Nitrogen Dioxide: 43.4 μg/m3
Sulphur Dioxide: 9.61 μg/m3
Ozone: 47.84 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:38 AM
Sunset: 6:07 PM
Daylight: 10 hrs 57 mins
Moonrise: 5:17 AM
Moon Transit: 11:18 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
10:48 AM - 1:18 PM

Minor Periods

4:39 PM - 6:09 PM
4:47 AM - 6:17 AM

Action Rating: 3 out of 5

Monday, October 20, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 61°F
Average Humidity: 76%
Chance of Rain: 87%
Wind: 19 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 5.81 μg/m3
PM10: 6.89 μg/m3
Carbon Monoxide: 155.77 μg/m3
Nitrogen Dioxide: 9.75 μg/m3
Sulphur Dioxide: 4.14 μg/m3
Ozone: 79.84 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:38 AM
Sunset: 6:05 PM
Daylight: 10 hrs 54 mins
Moonrise: 6:20 AM
Moon Transit: 12:00 AM
Moonset: 5:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
11:30 AM - 2:00 PM

Minor Periods

4:59 PM - 6:29 PM
5:50 AM - 7:20 AM

Action Rating: 4 out of 5

Tuesday, October 21, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 56.7°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 4.88 μg/m3
PM10: 4.93 μg/m3
Carbon Monoxide: 190.61 μg/m3
Nitrogen Dioxide: 13.19 μg/m3
Sulphur Dioxide: 4.98 μg/m3
Ozone: 57.8 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:38 AM
Sunset: 6:04 PM
Daylight: 10 hrs 52 mins
Moonrise: 7:21 AM
Moon Transit: 12:40 AM
Moonset: 5:51 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
12:10 AM - 2:40 PM

Minor Periods

5:21 PM - 6:51 PM
6:51 AM - 8:21 AM

Action Rating: 4 out of 5

Wednesday, October 22, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 60.8°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 13.4 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 11.22 μg/m3
PM10: 11.7 μg/m3
Carbon Monoxide: 196.17 μg/m3
Nitrogen Dioxide: 23.31 μg/m3
Sulphur Dioxide: 8.51 μg/m3
Ozone: 64.32 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:38 AM
Sunset: 6:02 PM
Daylight: 10 hrs 49 mins
Moonrise: 8:25 AM
Moon Transit: 1:23 PM
Moonset: 6:16 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
12:53 AM - 3:23 PM

Minor Periods

5:46 PM - 7:16 PM
7:55 AM - 9:25 AM

Action Rating: 4 out of 5

Thursday, October 23, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 49.6°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 14.1 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 8.61 μg/m3
PM10: 8.65 μg/m3
Carbon Monoxide: 207.47 μg/m3
Nitrogen Dioxide: 24.72 μg/m3
Sulphur Dioxide: 8.89 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:37 AM
Sunset: 6:01 PM
Daylight: 10 hrs 46 mins
Moonrise: 9:28 AM
Moon Transit: 2:09 PM
Moonset: 6:45 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

3:33 AM - 6:03 AM
1:39 PM - 4:09 PM

Minor Periods

6:15 PM - 7:45 PM
8:58 AM - 10:28 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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