Water Temperature of Norwalk Harbor in Norwalk, CT

Current Water Temperature

64.6°F

Measurement Time: Wednesday, June 4, 2025, 8:00 PM EDT

Temperature Locations

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Local Points of Interest

Sheffield Island Harbor; Calf Pasture and Shady Beach; Long Island Sound

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Norwalk Harbor

Station Name: NORWALK HARBOR AT THE COVE MARINA NR E NORWALK, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
52 Calf Pasture Beach Rd
Norwalk, CT 06855
Fairfield County

GPS Coordinates: 41.08395, -73.3999861

Nearby Water Temperatures

Norwalk River, Norwalk, CT (1.5 mi)
Norwalk River, Norwalk, CT (2.0 mi)
Saugatuck River, Westport, CT (2.2 mi)
Saugatuck River, Westport Village, CT (3.2 mi)
Mill River, Fairfield, CT (6.5 mi)
Mill River, Southport, CT (7.0 mi)
Rooster River, Bridgeport, CT (11.5 mi)
Bridgeport Harbor, Bridgeport, CT (12.9 mi)
Flax Pond, Old Field, NY (15.8 mi)
Frost Creek, Lattingtown, NY (15.9 mi)
Housatonic River, Stratford, CT (16.2 mi)
East Creek, Sands Point, NY (22.1 mi)
Long Island Sound, Kings Point, NY (26.8 mi)
Hudson River, Yonkers, NY (28.2 mi)
New Haven Harbor, New Haven, CT (29.0 mi)

Weather for Norwalk, Connecticut

Current Weather

64.9°F
Clear
Conditions: Clear
Humidity: 78%
Feels Like: 64.9°F
Wind: WSW 6.9 mph
Wind Gusts: 14.6 mph
Pressure: 30.11 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 89°F
L: 63°F
Cloudy
Fri
H: 83°F
L: 67°F
Heavy rain
Sat
H: 69°F
L: 63°F
Patchy rain nearby
Sun
H: 71°F
L: 62°F
Moderate rain
Mon
H: 65°F
L: 64°F

Air Quality

PM2.5: 35.89 μg/m3
PM10: 37 μg/m3
Carbon Monoxide: 447.7 μg/m3
Nitrogen Dioxide: 40.89 μg/m3
Sulphur Dioxide: 14.8 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:52 AM
Sunset: 8:23 PM
Daylight: 15 hrs 1 mins
Moonrise: 3:13 PM
Moon Transit: 8:56 PM
Moonset: 2:10 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

10:22 AM - 12:52 AM
8:26 PM - 10:56 PM

Minor Periods

2:43 PM - 4:13 PM
1:40 AM - 3:10 AM

Action Rating: 3 out of 5

Air Quality Alert issued June 3 at 3:15PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 3:15 PM
Expires: Wed June 4, 2025, 11:00 PM

The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Fairfield, New Haven, Middlesex, Northern New London. from 11 AM to 11 PM EDT Wednesday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi


Air Quality Alert issued June 4 at 4:17PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed June 4, 2025, 4:17 PM
Expires: Wed June 4, 2025, 11:00 PM

The Connecticut Department of Energy and Environmental Protection's Air Quality Action Day remains in effect for the following counties: Fairfield, New Haven, Middlesex, and Northern New London, until 11 PM EDT this evening. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi


Air Quality Alert issued June 3 at 3:15PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 3:15 PM
Expires: Wed June 4, 2025, 11:00 PM

The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Fairfield, New Haven, Middlesex, Northern New London. from 11 AM to 11 PM EDT Wednesday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi


Air Quality Alert issued June 3 at 3:15PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 3:15 PM
Expires: Wed June 4, 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, Rockland, Orange, Putnam. from 11 AM to 11 PM EDT Wednesday. Air quality levels of 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. A toll free air quality hotline has been established so New York residents can stay informed on the air quality situation. The toll free number is 1 800 5 3 5, 1 3 4 5.


Air Quality Alert issued June 4 at 4:17PM EDT by NWS Upton NY

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed June 4, 2025, 4:17 PM
Expires: Wed June 4, 2025, 11:00 PM

The New York State Department of Environmental Conservation's Air Quality Health Advisory remains in effect for the following counties: New York, Bronx, Kings, Queens, Richmond, Westchester, Rockland, Orange, and Putnam, until 11 PM EDT this evening. Air quality levels of 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. A toll free air quality hotline has been established so New York residents can stay informed on the air quality situation. The toll free number is 1 800 5 3 5, 1 3 4 5.


Thursday, June 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 73.8°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 36.71 μg/m3
PM10: 38.18 μg/m3
Carbon Monoxide: 479.67 μg/m3
Nitrogen Dioxide: 36.73 μg/m3
Sulphur Dioxide: 12.98 μg/m3
Ozone: 115.12 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:52 AM
Sunset: 8:23 PM
Daylight: 15 hrs 1 mins
Moonrise: 3:13 PM
Moon Transit: 8:56 PM
Moonset: 2:10 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

10:22 AM - 12:52 AM
8:26 PM - 10:56 PM

Minor Periods

2:43 PM - 4:13 PM
1:40 AM - 3:10 AM

Action Rating: 3 out of 5

Friday, June 6, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 72.8°F
Average Humidity: 85%
Chance of Rain: 0%
Wind: 16.3 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 36.47 μg/m3
PM10: 38.05 μg/m3
Carbon Monoxide: 505.27 μg/m3
Nitrogen Dioxide: 40.12 μg/m3
Sulphur Dioxide: 13.88 μg/m3
Ozone: 109.44 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:52 AM
Sunset: 8:24 PM
Daylight: 15 hrs 2 mins
Moonrise: 4:15 PM
Moon Transit: 9:36 PM
Moonset: 2:29 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

11:02 AM - 1:32 PM
9:06 PM - 11:36 PM

Minor Periods

3:45 PM - 5:15 PM
1:59 AM - 3:29 AM

Action Rating: 2 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 65.6°F
Average Humidity: 94%
Chance of Rain: 89%
Wind: 6 mph
UV Index: 0.7

Air Quality

AQI: 2 - Moderate
PM2.5: 16.15 μg/m3
PM10: 18.38 μg/m3
Carbon Monoxide: 364.3 μg/m3
Nitrogen Dioxide: 40.23 μg/m3
Sulphur Dioxide: 8.1 μg/m3
Ozone: 46.6 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:52 AM
Sunset: 8:24 PM
Daylight: 15 hrs 3 mins
Moonrise: 5:17 PM
Moon Transit: 10:19 PM
Moonset: 2:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

11:44 AM - 2:14 PM
12:00 AM - 12:00 AM

Minor Periods

4:47 PM - 6:17 PM
2:20 AM - 3:50 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 67.3°F
Average Humidity: 76%
Chance of Rain: 87%
Wind: 6.5 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 3.91 μg/m3
Carbon Monoxide: 432.47 μg/m3
Nitrogen Dioxide: 46.19 μg/m3
Sulphur Dioxide: 5 μg/m3
Ozone: 34.77 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:52 AM
Sunset: 8:25 PM
Daylight: 15 hrs 4 mins
Moonrise: 6:21 PM
Moon Transit: 11:04 PM
Moonset: 3:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 PM
12:00 AM - 12:00 AM

Minor Periods

5:51 PM - 7:21 PM
2:44 AM - 4:14 AM

Action Rating: 2 out of 5

Monday, June 9, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 64.5°F
Average Humidity: 94%
Chance of Rain: 72%
Wind: 8.1 mph
UV Index: 0.2

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: 5:21 AM
Sun Transit: 12:53 AM
Sunset: 8:25 PM
Daylight: 15 hrs 5 mins
Moonrise: 7:24 PM
Moon Transit: 11:53 PM
Moonset: 3:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

1:15 PM - 3:45 PM
12:00 AM - 12:00 AM

Minor Periods

6:54 PM - 8:24 PM
3:13 AM - 4:43 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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