Water Temperature of the Norwalk River in Norwalk, CT

Current Water Temperature

79.3°F

Measurement Time: Sunday, July 20, 2025, 8:06 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

75.9°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 82%
Feels Like: 79.9°F
Wind: NNW 9.4 mph
Wind Gusts: 14.5 mph
Pressure: 29.78 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Mon
H: 83°F
L: 67°F
Partly Cloudy
Tue
H: 74°F
L: 63°F
Partly Cloudy
Wed
H: 78°F
L: 65°F
Sunny
Thu
H: 88°F
L: 72°F
Patchy rain nearby
Fri
H: 96°F
L: 75°F

Air Quality

PM2.5: 7.59 μg/m3
PM10: 7.77 μg/m3
Carbon Monoxide: 342.25 μg/m3
Nitrogen Dioxide: 7.22 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:00 PM
Sunset: 8:21 PM
Daylight: 14 hrs 41 mins
Moonrise: 1:48 AM
Moon Transit: 9:54 AM
Moonset: 6:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:24 AM - 11:54 AM

Minor Periods

5:36 PM - 7:06 PM
1:18 AM - 2:48 AM

Action Rating: 2 out of 5

Severe Thunderstorm Watch issued July 20 at 4:11PM EDT until July 20 at 9:00PM EDT by NWS Upton NY

Effective: Sun July 20, 2025, 4:11 PM
Expires: Sun July 20, 2025, 9:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 530 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN CONNECTICUT THIS WATCH INCLUDES 4 COUNTIES IN SOUTHERN CONNECTICUT FAIRFIELD MIDDLESEX NEW HAVEN NEW LONDON


Severe Thunderstorm Watch issued July 20 at 4:11PM EDT until July 20 at 9:00PM EDT by NWS Upton NY

Effective: Sun July 20, 2025, 4:11 PM
Expires: Sun July 20, 2025, 9:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 530 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN CONNECTICUT THIS WATCH INCLUDES 4 COUNTIES IN SOUTHERN CONNECTICUT FAIRFIELD MIDDLESEX NEW HAVEN NEW LONDON


Severe Thunderstorm Watch issued July 20 at 6:11PM EDT until July 20 at 9:00PM EDT by NWS Albany NY

Effective: Sun July 20, 2025, 6:11 PM
Expires: Sun July 20, 2025, 9:00 PM

SEVERE THUNDERSTORM WATCH 530 REMAINS VALID UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN CONNECTICUT THIS WATCH INCLUDES 1 COUNTY IN NORTHWESTERN CONNECTICUT LITCHFIELD THIS INCLUDES THE CITIES OF TORRINGTON.


Special Weather Statement issued July 20 at 8:02PM EDT by NWS Upton NY

Effective: Sun July 20, 2025, 8:02 PM
Expires: Sun July 20, 2025, 8:45 PM

At 802 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms near Chester, moving southeast at 20 mph. HAZARD...Winds in excess of 30 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Clinton, Old Saybrook, Chester, Waterford, East Lyme, East Haddam, Haddam, Old Lyme, Westbrook, Killingworth, Lyme, North Lyme, Madison, Essex, and Deep River.

If outdoors, consider seeking shelter inside a building. A Severe Thunderstorm Watch remains in effect until 900 PM EDT for southern Connecticut.


Severe Thunderstorm Watch issued July 20 at 4:11PM EDT until July 20 at 9:00PM EDT by NWS Upton NY

Effective: Sun July 20, 2025, 4:11 PM
Expires: Sun July 20, 2025, 9:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 530 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN CONNECTICUT THIS WATCH INCLUDES 4 COUNTIES IN SOUTHERN CONNECTICUT FAIRFIELD MIDDLESEX NEW HAVEN NEW LONDON


Monday, July 21, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 74.9°F
Average Humidity: 64%
Chance of Rain: 82%
Wind: 11.4 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 10.22 μg/m3
PM10: 10.39 μg/m3
Carbon Monoxide: 365.12 μg/m3
Nitrogen Dioxide: 7.27 μg/m3
Sulphur Dioxide: 1.97 μg/m3
Ozone: 90.32 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:00 PM
Sunset: 8:21 PM
Daylight: 14 hrs 41 mins
Moonrise: 1:48 AM
Moon Transit: 9:54 AM
Moonset: 6:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:24 AM - 11:54 AM

Minor Periods

5:36 PM - 7:06 PM
1:18 AM - 2:48 AM

Action Rating: 2 out of 5

Tuesday, July 22, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 68.7°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 4.89 μg/m3
PM10: 4.92 μg/m3
Carbon Monoxide: 298.29 μg/m3
Nitrogen Dioxide: 9.11 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 71.48 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:00 PM
Sunset: 8:20 PM
Daylight: 14 hrs 40 mins
Moonrise: 2:45 AM
Moon Transit: 10:57 AM
Moonset: 7:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:14 AM - 2:44 AM
10:27 AM - 12:57 AM

Minor Periods

6:39 PM - 8:09 PM
2:15 AM - 3:45 AM

Action Rating: 3 out of 5

Wednesday, July 23, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 71.7°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 20.36 μg/m3
PM10: 21.22 μg/m3
Carbon Monoxide: 337.59 μg/m3
Nitrogen Dioxide: 31.07 μg/m3
Sulphur Dioxide: 7.26 μg/m3
Ozone: 102.72 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:00 PM
Sunset: 8:19 PM
Daylight: 14 hrs 38 mins
Moonrise: 3:52 AM
Moon Transit: 12:00 AM
Moonset: 8:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:17 AM - 3:47 AM
11:30 AM - 2:00 PM

Minor Periods

7:30 PM - 9:00 PM
3:22 AM - 4:52 AM

Action Rating: 2 out of 5

Thursday, July 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 78.5°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 14.8 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 17.72 μg/m3
PM10: 19 μg/m3
Carbon Monoxide: 364.88 μg/m3
Nitrogen Dioxide: 34.27 μg/m3
Sulphur Dioxide: 10.82 μg/m3
Ozone: 83.31 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:00 PM
Sunset: 8:18 PM
Daylight: 14 hrs 36 mins
Moonrise: 5:06 AM
Moon Transit: 12:58 AM
Moonset: 8:40 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
12:28 AM - 2:58 PM

Minor Periods

8:10 PM - 9:40 PM
4:36 AM - 6:06 AM

Action Rating: 5 out of 5

Friday, July 25, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 79.7°F
Average Humidity: 71%
Chance of Rain: 85%
Wind: 12.3 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: 5:43 AM
Sun Transit: 1:00 PM
Sunset: 8:17 PM
Daylight: 14 hrs 34 mins
Moonrise: 6:21 AM
Moon Transit: 1:52 PM
Moonset: 9:10 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
1:22 PM - 3:52 PM

Minor Periods

8:40 PM - 10:10 PM
5:51 AM - 7:21 AM

Action Rating: 6 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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