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

64.9°F
Clear
Conditions: Clear
Humidity: 78%
Feels Like: 64.9°F
Wind: WSW 4.3 mph
Wind Gusts: 8.9 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: 83°F
L: 61°F
Partly Cloudy
Fri
H: 76°F
L: 65°F
Moderate rain
Sat
H: 64°F
L: 61°F
Partly Cloudy
Sun
H: 72°F
L: 59°F
Patchy rain nearby
Mon
H: 63°F
L: 61°F

Air Quality

PM2.5: 31.82 μg/m3
PM10: 33.12 μg/m3
Carbon Monoxide: 519.85 μg/m3
Nitrogen Dioxide: 34.97 μg/m3
Sulphur Dioxide: 12.95 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:51 AM
Sunset: 8:23 PM
Daylight: 15 hrs 2 mins
Moonrise: 3:13 PM
Moon Transit: 8:55 PM
Moonset: 2:10 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

10:23 AM - 12:53 AM
8:25 PM - 10:55 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 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


Thursday, June 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 70.8°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 32.47 μg/m3
PM10: 34.3 μg/m3
Carbon Monoxide: 494.91 μg/m3
Nitrogen Dioxide: 24.24 μg/m3
Sulphur Dioxide: 11.01 μg/m3
Ozone: 118.08 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:51 AM
Sunset: 8:23 PM
Daylight: 15 hrs 2 mins
Moonrise: 3:13 PM
Moon Transit: 8:55 PM
Moonset: 2:10 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

10:23 AM - 12:53 AM
8:25 PM - 10:55 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: Partly Cloudy
Average Temperature: 69.8°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 15.7 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 30.6 μg/m3
PM10: 32.35 μg/m3
Carbon Monoxide: 597.4 μg/m3
Nitrogen Dioxide: 29.76 μg/m3
Sulphur Dioxide: 12.09 μg/m3
Ozone: 106.16 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:51 AM
Sunset: 8:23 PM
Daylight: 15 hrs 3 mins
Moonrise: 4:14 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

11:03 AM - 1:33 PM
9:06 PM - 11:36 PM

Minor Periods

3:44 PM - 5:14 PM
1:59 AM - 3:29 AM

Action Rating: 2 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 62.9°F
Average Humidity: 96%
Chance of Rain: 89%
Wind: 5.1 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 14.33 μg/m3
PM10: 17.62 μg/m3
Carbon Monoxide: 376.14 μg/m3
Nitrogen Dioxide: 23.48 μg/m3
Sulphur Dioxide: 4.97 μg/m3
Ozone: 54.72 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:52 AM
Sunset: 8:24 PM
Daylight: 15 hrs 4 mins
Moonrise: 5:16 PM
Moon Transit: 10:18 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

4:46 PM - 6:16 PM
2:20 AM - 3:50 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 65.8°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 5.56 μg/m3
PM10: 7.17 μg/m3
Carbon Monoxide: 367.72 μg/m3
Nitrogen Dioxide: 18.12 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:52 AM
Sunset: 8:25 PM
Daylight: 15 hrs 4 mins
Moonrise: 6:20 PM
Moon Transit: 11:04 PM
Moonset: 3:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 PM
12:00 AM - 12:00 AM

Minor Periods

5:50 PM - 7:20 PM
2:43 AM - 4:13 AM

Action Rating: 2 out of 5

Monday, June 9, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 62.1°F
Average Humidity: 97%
Chance of Rain: 87%
Wind: 8.9 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: 5:20 AM
Sun Transit: 12:52 AM
Sunset: 8:25 PM
Daylight: 15 hrs 5 mins
Moonrise: 7:24 PM
Moon Transit: 11:52 PM
Moonset: 3:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

1:16 PM - 3:46 PM
12:00 AM - 12:00 AM

Minor Periods

6:54 PM - 8:24 PM
3:12 AM - 4:42 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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