Water Temperature of the Mill River in Southport, CT

Current Water Temperature

49.5°F

Measurement Time: Thursday, April 18, 2024, 5:06 AM EDT

Temperature Locations

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Local Points of Interest

Perry's Green

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Mill River

Station Name: MILL RIVER AT PEQUOT YACHT CLUB AT SOUTHPORT, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
657 Harbor Rd
Southport, CT 06890
Fairfield County

GPS Coordinates: 41.1325083, -73.2824833

Nearby Water Temperatures

Mill River, Fairfield, CT (0.6 mi)
Saugatuck River, Westport Village, CT (4.6 mi)
Rooster River, Bridgeport, CT (4.6 mi)
Saugatuck River, Westport, CT (4.8 mi)
Bridgeport Harbor, Bridgeport, CT (6.0 mi)
Norwalk River, Norwalk, CT (6.8 mi)
Norwalk Harbor, Norwalk, CT (7.0 mi)
Norwalk River, Norwalk, CT (7.3 mi)
Housatonic River, Stratford, CT (9.2 mi)
Flax Pond, Old Field, NY (13.8 mi)
New Haven Harbor, New Haven, CT (22.1 mi)
Frost Creek, Lattingtown, NY (22.6 mi)
Naugatuck River, Beacon Falls, CT (24.3 mi)
East Creek, Sands Point, NY (28.9 mi)
Great South Bay, West Sayville, NY (30.1 mi)

Weather for Southport, Connecticut

Current Weather

43°F
Sunny
Conditions: Sunny
Humidity: 36%
Feels Like: 36.9°F
Wind: NNW 11.2 mph
Wind Gusts: 12.9 mph
Pressure: 30.28 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.4

Five Day Weather Forecast

Sunny
Mon
H: 42°F
L: 32°F
Heavy rain
Tue
H: 55°F
L: 35°F
Sunny
Wed
H: 38°F
L: 31°F
Patchy rain nearby
Thu
H: 40°F
L: 23°F
Sunny
Fri
H: 26°F
L: 18°F

Air Quality

AQI: 1 - Good
PM2.5: 2.65 μg/m3
PM10: 2.85 μg/m3
Carbon Monoxide: 158.85 μg/m3
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 11:42 AM
Sunset: 4:25 PM
Daylight: 9 hrs 26 mins
Moonrise: 1:52 PM
Moon Transit: 8:51 PM
Moonset: 2:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

10:14 AM - 12:44 AM
8:21 PM - 10:51 PM

Minor Periods

1:22 PM - 2:52 PM
2:18 AM - 3:48 AM

Action Rating: 2 out of 5

Special Weather Statement issued December 1 at 6:20AM EST by NWS Upton NY

Effective: Mon December 1, 2025, 6:20 AM
Expires: Mon December 1, 2025, 8:30 AM

Standing water after yesterday's rainfall has resulted in the formation of patchy black ice in spots where air temperatures have fallen to near freezing. Anyone out driving or walking early this morning should use extra caution.


Winter Weather Advisory issued December 1 at 1:04AM EST until December 2 at 10:00PM EST by NWS Upton NY

Effective: Mon December 1, 2025, 1:04 AM
Expires: Mon December 1, 2025, 3:00 PM

* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...In New Jersey, Western Passaic County. In New York, Putnam and Rockland Counties. * WHEN...From 4 AM to 10 PM EST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning and evening commutes.

Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.


Winter Storm Watch issued December 1 at 12:26AM EST until December 3 at 1:00AM EST by NWS Albany NY

Effective: Mon December 1, 2025, 12:26 AM
Expires: Mon December 1, 2025, 8:30 AM

* WHAT...Heavy snow possible. Total snow accumulations over seven inches possible. * WHERE...Northwestern Connecticut, Western Massachusetts, Southern Vermont and the eastern Adirondacks, Lake George Saratoga Region, Mohawk and Schoharie Valleys, Capital Region, eastern Catskills, mid Hudson Valley and Taconics of eastern New York. * WHEN...From Tuesday morning through late Tuesday night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be difficult. The hazardous conditions could impact the Tuesday morning and evening commutes.

Monitor the latest forecasts for updates on this situation. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.


Winter Storm Watch issued December 1 at 6:35AM EST until December 3 at 1:00AM EST by NWS Albany NY

Effective: Mon December 1, 2025, 6:35 AM
Expires: Mon December 1, 2025, 5:00 PM

* WHAT...Heavy snow possible. Total snow accumulations over seven inches possible. * WHERE...Northern Litchfield County in Northwestern Connecticut, western Massachusetts, all of east central and eastern New York except for northern Herkimer County, and southern Vermont. * WHEN...From Tuesday morning through late Tuesday night. * IMPACTS...Travel could be dangerous due to snow covered roadways and reduced visibility.

Monitor the latest forecasts for updates on this situation. Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury.


Monday, December 1, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 37.2°F
Average Humidity: 62%
Chance of Rain: 0%
Wind: 17.7 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 5.61 μg/m3
PM10: 5.91 μg/m3
Carbon Monoxide: 176.93 μg/m3
Nitrogen Dioxide: 11.44 μg/m3
Sulphur Dioxide: 4.1 μg/m3
Ozone: 60.36 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 11:42 AM
Sunset: 4:25 PM
Daylight: 9 hrs 26 mins
Moonrise: 1:52 PM
Moon Transit: 8:51 PM
Moonset: 2:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

10:14 AM - 12:44 AM
8:21 PM - 10:51 PM

Minor Periods

1:22 PM - 2:52 PM
2:18 AM - 3:48 AM

Action Rating: 2 out of 5

Tuesday, December 2, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 43°F
Average Humidity: 83%
Chance of Rain: 89%
Wind: 20.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 10.17 μg/m3
PM10: 11.33 μg/m3
Carbon Monoxide: 198.25 μg/m3
Nitrogen Dioxide: 24.85 μg/m3
Sulphur Dioxide: 3.63 μg/m3
Ozone: 42.36 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 11:42 AM
Sunset: 4:25 PM
Daylight: 9 hrs 25 mins
Moonrise: 2:23 PM
Moon Transit: 9:48 PM
Moonset: 4:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

11:08 AM - 1:38 PM
9:18 PM - 11:48 PM

Minor Periods

1:53 PM - 3:23 PM
3:36 AM - 5:06 AM

Action Rating: 2 out of 5

Wednesday, December 3, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 35.2°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 20.1 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 6.11 μg/m3
PM10: 6.44 μg/m3
Carbon Monoxide: 196.65 μg/m3
Nitrogen Dioxide: 14.43 μg/m3
Sulphur Dioxide: 3.23 μg/m3
Ozone: 60.76 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 11:43 AM
Sunset: 4:25 PM
Daylight: 9 hrs 24 mins
Moonrise: 3:00 PM
Moon Transit: 10:49 PM
Moonset: 5:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 PM
12:00 AM - 12:00 AM

Minor Periods

2:30 PM - 4:00 PM
4:58 AM - 6:28 AM

Action Rating: 3 out of 5

Thursday, December 4, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 34.9°F
Average Humidity: 71%
Chance of Rain: 84%
Wind: 21.5 mph
UV Index: 0.2

Air Quality

AQI: 2 - Moderate
PM2.5: 16.33 μg/m3
PM10: 16.43 μg/m3
Carbon Monoxide: 270.09 μg/m3
Nitrogen Dioxide: 36.35 μg/m3
Sulphur Dioxide: 9.34 μg/m3
Ozone: 34.6 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 11:43 AM
Sunset: 4:25 PM
Daylight: 9 hrs 22 mins
Moonrise: 3:49 PM
Moon Transit: 11:55 PM
Moonset: 6:51 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

1:12 PM - 3:42 PM
12:00 AM - 12:00 AM

Minor Periods

3:19 PM - 4:49 PM
6:21 AM - 7:51 AM

Action Rating: 4 out of 5

Friday, December 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 21.9°F
Average Humidity: 40%
Chance of Rain: 0%
Wind: 16.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.73 μg/m3
PM10: 3.23 μg/m3
Carbon Monoxide: 160.18 μg/m3
Nitrogen Dioxide: 4.06 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 76.92 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 11:43 AM
Sunset: 4:25 PM
Daylight: 9 hrs 21 mins
Moonrise: 4:50 PM
Moon Transit: 12:00 AM
Moonset: 8:09 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:19 PM - 4:49 PM

Minor Periods

4:20 PM - 5:50 PM
7:39 AM - 9:09 AM

Action Rating: 5 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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