Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

61.0°F

Measurement Time: Sunday, August 10, 2025, 2:06 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

64.9°F
Sunny
Conditions: Sunny
Humidity: 76%
Feels Like: 64.9°F
Wind: W 3.4 mph
Wind Gusts: 7 mph
Pressure: 30.23 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Sun
H: 89°F
L: 67°F
Sunny
Mon
H: 89°F
L: 69°F
Mist
Tue
H: 88°F
L: 68°F
Patchy rain nearby
Wed
H: 91°F
L: 70°F
Patchy rain nearby
Thu
H: 86°F
L: 73°F

Air Quality

PM2.5: 27.38 μg/m3
PM10: 27.75 μg/m3
Carbon Monoxide: 477.3 μg/m3
Nitrogen Dioxide: 27.01 μg/m3
Sulphur Dioxide: 13.88 μg/m3
Ozone: 149 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:00 PM
Sunset: 7:59 PM
Daylight: 14 hrs mins
Moonrise: 8:54 PM
Moon Transit: 1:46 AM
Moonset: 7:13 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:16 AM - 3:46 AM
3:57 PM - 6:27 PM

Minor Periods

8:24 PM - 9:54 PM
6:43 AM - 8:13 AM

Action Rating: 4 out of 5

Air Quality Alert issued August 9 at 3:52PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 3:52 PM
Expires: Sun August 10, 2025, 4:00 PM

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Westchester, and Rockland from 11 AM to 11 PM EDT Sunday. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Ground Level Ozone. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.


Air Quality Alert issued August 9 at 3:52PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 3:52 PM
Expires: Sun August 10, 2025, 4:00 PM

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Westchester, and Rockland from 11 AM to 11 PM EDT Sunday. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Ground Level Ozone. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.


Air Quality Alert issued August 10 at 12:35AM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sun August 10, 2025, 12:35 AM
Expires: Sun August 10, 2025, 11:00 PM

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Westchester, and Rockland from 11 AM to 11 PM EDT Sunday. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Ground Level Ozone. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.


Air Quality Alert issued August 9 at 3:52PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 3:52 PM
Expires: Sun August 10, 2025, 4:00 PM

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Westchester, and Rockland from 11 AM to 11 PM EDT Sunday. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Ground Level Ozone. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.


Air Quality Alert issued August 9 at 3:52PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Sat August 9, 2025, 3:52 PM
Expires: Sun August 10, 2025, 4:00 PM

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Westchester, and Rockland from 11 AM to 11 PM EDT Sunday. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Ground Level Ozone. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.


Sunday, August 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 76.8°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 25.43 μg/m3
PM10: 26.94 μg/m3
Carbon Monoxide: 416.69 μg/m3
Nitrogen Dioxide: 37.35 μg/m3
Sulphur Dioxide: 11.1 μg/m3
Ozone: 120.92 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:00 PM
Sunset: 7:59 PM
Daylight: 14 hrs mins
Moonrise: 8:54 PM
Moon Transit: 1:46 AM
Moonset: 7:13 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:16 AM - 3:46 AM
3:57 PM - 6:27 PM

Minor Periods

8:24 PM - 9:54 PM
6:43 AM - 8:13 AM

Action Rating: 4 out of 5

Monday, August 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 78°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 31.98 μg/m3
PM10: 32.4 μg/m3
Carbon Monoxide: 412.85 μg/m3
Nitrogen Dioxide: 32.94 μg/m3
Sulphur Dioxide: 13.13 μg/m3
Ozone: 145.28 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:58 AM
Sunset: 7:57 PM
Daylight: 13 hrs 58 mins
Moonrise: 9:16 PM
Moon Transit: 2:34 AM
Moonset: 8:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

2:04 AM - 4:34 AM
12:00 AM - 12:00 AM

Minor Periods

8:46 PM - 10:16 PM
7:57 AM - 9:27 AM

Action Rating: 2 out of 5

Tuesday, August 12, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 76.5°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 32.28 μg/m3
PM10: 33.13 μg/m3
Carbon Monoxide: 386.8 μg/m3
Nitrogen Dioxide: 33.17 μg/m3
Sulphur Dioxide: 12.45 μg/m3
Ozone: 117.56 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:58 AM
Sunset: 7:56 PM
Daylight: 13 hrs 55 mins
Moonrise: 9:39 PM
Moon Transit: 7:21 AM
Moonset: 9:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

6:51 AM - 9:21 AM
6:51 AM - 9:21 AM

Minor Periods

9:09 PM - 10:39 PM
9:09 AM - 10:39 AM

Action Rating: 2 out of 5

Wednesday, August 13, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 78.8°F
Average Humidity: 71%
Chance of Rain: 72%
Wind: 12.5 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 25.89 μg/m3
PM10: 26.9 μg/m3
Carbon Monoxide: 454.67 μg/m3
Nitrogen Dioxide: 48.04 μg/m3
Sulphur Dioxide: 13.41 μg/m3
Ozone: 60.31 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:58 AM
Sunset: 7:55 PM
Daylight: 13 hrs 53 mins
Moonrise: 10:03 PM
Moon Transit: 4:09 AM
Moonset: 10:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

3:39 AM - 6:09 AM
6:20 PM - 8:50 PM

Minor Periods

9:33 PM - 11:03 PM
10:23 AM - 11:53 AM

Action Rating: 3 out of 5

Thursday, August 14, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 76.3°F
Average Humidity: 82%
Chance of Rain: 81%
Wind: 7.4 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:58 AM
Sunset: 7:53 PM
Daylight: 13 hrs 51 mins
Moonrise: 10:31 PM
Moon Transit: 4:58 AM
Moonset: 12:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

4:28 AM - 6:58 AM
7:11 PM - 9:41 PM

Minor Periods

10:01 PM - 11:31 PM
11:38 AM - 1:08 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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