Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

72.5°F

Measurement Time: Tuesday, September 16, 2025, 7:06 AM 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

71.1°F
Sunny
Conditions: Sunny
Humidity: 59%
Feels Like: 71.1°F
Wind: ENE 11 mph
Wind Gusts: 14.2 mph
Pressure: 30.26 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 4.1

Five Day Weather Forecast

Partly Cloudy
Tue
H: 72°F
L: 59°F
Overcast
Wed
H: 68°F
L: 59°F
Partly Cloudy
Thu
H: 81°F
L: 56°F
Sunny
Fri
H: 78°F
L: 65°F
Sunny
Sat
H: 68°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 7.22 μg/m3
PM10: 7.59 μg/m3
Carbon Monoxide: 351.5 μg/m3
Nitrogen Dioxide: 5.37 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 108 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:48 AM
Sunset: 7:01 PM
Daylight: 12 hrs 25 mins
Moonrise: 12:40 AM
Moon Transit: 8:43 AM
Moonset: 4:38 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:13 AM - 10:43 AM
12:00 AM - 12:00 AM

Minor Periods

4:08 PM - 5:38 PM
12:10 AM - 1:40 AM

Action Rating: 2 out of 5

Rip Current Statement issued September 16 at 1:58AM EDT until September 16 at 8:00PM EDT by NWS Upton NY

Effective: Tue September 16, 2025, 1:58 AM
Expires: Tue September 16, 2025, 8:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From 6 AM EDT this morning through this evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


Rip Current Statement issued September 16 at 1:58AM EDT until September 16 at 8:00PM EDT by NWS Upton NY

Effective: Tue September 16, 2025, 1:58 AM
Expires: Tue September 16, 2025, 8:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From 6 AM EDT this morning through this evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


Rip Current Statement issued September 16 at 1:58AM EDT until September 16 at 8:00PM EDT by NWS Upton NY

Effective: Tue September 16, 2025, 1:58 AM
Expires: Tue September 16, 2025, 8:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From 6 AM EDT this morning through this evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


Rip Current Statement issued September 16 at 1:58AM EDT until September 16 at 8:00PM EDT by NWS Upton NY

Effective: Tue September 16, 2025, 1:58 AM
Expires: Tue September 16, 2025, 8:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From 6 AM EDT this morning through this evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.


Rip Current Statement issued September 16 at 1:58AM EDT until September 16 at 8:00PM EDT by NWS Upton NY

Effective: Tue September 16, 2025, 1:58 AM
Expires: Tue September 16, 2025, 8:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From 6 AM EDT this morning through this evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.
Tuesday, September 16, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 64.8°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 12.62 μg/m3
PM10: 13.88 μg/m3
Carbon Monoxide: 402.41 μg/m3
Nitrogen Dioxide: 24.58 μg/m3
Sulphur Dioxide: 4.47 μg/m3
Ozone: 81.6 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:48 AM
Sunset: 7:01 PM
Daylight: 12 hrs 25 mins
Moonrise: 12:40 AM
Moon Transit: 8:43 AM
Moonset: 4:38 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:13 AM - 10:43 AM
12:00 AM - 12:00 AM

Minor Periods

4:08 PM - 5:38 PM
12:10 AM - 1:40 AM

Action Rating: 2 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 62.9°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 11.08 μg/m3
PM10: 13.55 μg/m3
Carbon Monoxide: 340.4 μg/m3
Nitrogen Dioxide: 18.71 μg/m3
Sulphur Dioxide: 3.59 μg/m3
Ozone: 69.88 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:48 AM
Sunset: 6:59 PM
Daylight: 12 hrs 22 mins
Moonrise: 1:51 AM
Moon Transit: 9:38 AM
Moonset: 5:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:08 AM - 11:38 AM

Minor Periods

4:43 PM - 6:13 PM
1:21 AM - 2:51 AM

Action Rating: 2 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 67.9°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 6.3 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 12.62 μg/m3
PM10: 16.06 μg/m3
Carbon Monoxide: 380.88 μg/m3
Nitrogen Dioxide: 23.1 μg/m3
Sulphur Dioxide: 3.8 μg/m3
Ozone: 64.64 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:47 AM
Sunset: 6:57 PM
Daylight: 12 hrs 19 mins
Moonrise: 3:03 AM
Moon Transit: 10:28 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:58 AM - 12:28 AM

Minor Periods

5:11 PM - 6:41 PM
2:33 AM - 4:03 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70.5°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 13.56 μg/m3
PM10: 14.33 μg/m3
Carbon Monoxide: 460.95 μg/m3
Nitrogen Dioxide: 27.94 μg/m3
Sulphur Dioxide: 4.34 μg/m3
Ozone: 75.32 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:47 AM
Sunset: 6:56 PM
Daylight: 12 hrs 17 mins
Moonrise: 4:13 AM
Moon Transit: 11:14 AM
Moonset: 6:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
10:44 AM - 1:14 PM

Minor Periods

5:35 PM - 7:05 PM
3:43 AM - 5:13 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.3°F
Average Humidity: 45%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.4 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 333.57 μg/m3
Nitrogen Dioxide: 14.86 μg/m3
Sulphur Dioxide: 2.53 μg/m3
Ozone: 58.23 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:46 AM
Sunset: 6:54 PM
Daylight: 12 hrs 14 mins
Moonrise: 5:19 AM
Moon Transit: 11:58 AM
Moonset: 6:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
11:28 AM - 1:58 PM

Minor Periods

5:55 PM - 7:25 PM
4:49 AM - 6:19 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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