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

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

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 mi)
Norwalk River, Norwalk, CT (6.8 mi)
Norwalk Harbor, Norwalk, CT (7 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

30.9°F
Sunny
Sunny
22.5°F
33.3°F
58%
WSW 9.6 mph
12.7 mph
28°F
21.7°F
0 in
0%
9 mi
1021 mbar
0.2

Five Day Weather Forecast

Sunny
Fri
H: 43°F
L: 32°F
Sunny
Sat
H: 47°F
L: 35°F
Cloudy
Sun
H: 39°F
L: 32°F
Heavy rain
Mon
H: 54°F
L: 42°F
Moderate rain
Tue
H: 42°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 4.75 μg/m3
PM10: 5.55 μg/m3
Carbon Monoxide: 224.85 μg/m3
Nitrogen Dioxide: 11.45 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 6:58 PM
Daylight: 11 hrs 50 mins
Moonrise: 4:19 AM
Moon Transit: 8:41 AM
Moonset: 1:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
12:00 AM - 12:00 AM

Minor Periods

12:38 AM - 2:08 PM
3:49 AM - 5:19 AM

Action Rating: 2 out of 5

Flood Warning issued March 12 at 11:52PM EDT until March 14 at 8:21AM EDT by NWS Albany NY

Effective: Thu March 12, 2026, 11:52 PM
Expires: Fri March 13, 2026, 1:00 PM

* WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Housatonic River at Stevenson Dam. * WHEN...Until Saturday morning. * IMPACTS...At 11.5 feet, Water reaches the Maples area of Shelton. * ADDITIONAL DETAILS... - At 11:30 PM EDT Thursday the stage was 11.7 feet. - Forecast...The river is expected to rise to remain near 11.5 feet through tomorrow morning. It will then fall below flood stage early Saturday morning. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood


Flood Warning issued March 12 at 11:52PM EDT until March 14 at 2:00PM EDT by NWS Albany NY

Effective: Thu March 12, 2026, 11:52 PM
Expires: Fri March 13, 2026, 1:00 PM

* WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Housatonic River at Falls Village. * WHEN...Until early Saturday afternoon. * IMPACTS...At 7.0 feet, Flood stage. The park above Falls Village Dam begins to flood, and water reaches the fields of White Hollow Farms near Limerock Road, and is at the edge of the Housatonic Valley Regional High School fields. * ADDITIONAL DETAILS... - At 11:15 PM EDT Thursday the stage was 7.2 feet. - Forecast...The river is expected to rise to a crest of 7.4 feet just after midnight tonight. It will then fall below flood stage Saturday morning. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood


Flood Warning issued March 12 at 11:52PM EDT until March 14 at 11:00PM EDT by NWS Albany NY

Effective: Thu March 12, 2026, 11:52 PM
Expires: Fri March 13, 2026, 1:00 PM

* WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Housatonic River at Gaylordsville. * WHEN...Until late Saturday evening. * IMPACTS...At 8.0 feet, Flood stage. Water reaches New Milford Foundry and Young's Field Road. * ADDITIONAL DETAILS... - At 11:00 PM EDT Thursday the stage was 8.3 feet. - Forecast...The river is expected to rise to a crest of 8.5 feet tomorrow morning. It will then fall below flood stage Saturday afternoon. - Flood stage is 8.0 feet. - http://www.weather.gov/safety/flood


Friday, March 13, 2026

Weather Forecast

Sunny
43.3°F
32.4°F
36.6°F
63%
0 in
0%
0%
20.8 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.99 μg/m3
PM10: 5.96 μg/m3
Carbon Monoxide: 196.93 μg/m3
Nitrogen Dioxide: 8.87 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 82.08 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 6:58 PM
Daylight: 11 hrs 50 mins
Moonrise: 4:19 AM
Moon Transit: 8:41 AM
Moonset: 1:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
12:00 AM - 12:00 AM

Minor Periods

12:38 AM - 2:08 PM
3:49 AM - 5:19 AM

Action Rating: 2 out of 5

Saturday, March 14, 2026

Weather Forecast

Sunny
46.8°F
35.2°F
40.1°F
66%
0 in
0%
0%
23.3 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 5.9 μg/m3
PM10: 6.99 μg/m3
Carbon Monoxide: 185.77 μg/m3
Nitrogen Dioxide: 7.7 μg/m3
Sulphur Dioxide: 3.57 μg/m3
Ozone: 87.92 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 6:59 PM
Daylight: 11 hrs 53 mins
Moonrise: 4:57 AM
Moon Transit: 9:32 AM
Moonset: 2:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:02 AM - 11:32 AM

Minor Periods

1:45 PM - 3:15 PM
4:27 AM - 5:57 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Cloudy
38.7°F
31.8°F
35.2°F
65%
0 in
0%
0%
12.8 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 6.17 μg/m3
PM10: 7.14 μg/m3
Carbon Monoxide: 204.77 μg/m3
Nitrogen Dioxide: 8.9 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 82.08 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 11 hrs 55 mins
Moonrise: 5:28 AM
Moon Transit: 10:21 AM
Moonset: 3:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:51 AM - 12:21 AM

Minor Periods

2:53 PM - 4:23 PM
4:58 AM - 6:28 AM

Action Rating: 2 out of 5

Monday, March 16, 2026

Weather Forecast

Heavy rain
54°F
41.9°F
50.6°F
96%
1.1 in
83%
0%
29.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.89 μg/m3
PM10: 9.55 μg/m3
Carbon Monoxide: 152.32 μg/m3
Nitrogen Dioxide: 5.85 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 85.32 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:00 AM
Sunset: 7:01 PM
Daylight: 11 hrs 58 mins
Moonrise: 5:55 AM
Moon Transit: 11:09 AM
Moonset: 4:33 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
10:39 AM - 1:09 PM

Minor Periods

4:03 PM - 5:33 PM
5:25 AM - 6:55 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Moderate rain
41.5°F
32.5°F
39.9°F
66%
0.36 in
84%
0%
24.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.39 μg/m3
PM10: 3.91 μg/m3
Carbon Monoxide: 150.76 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 3.77 μg/m3
Ozone: 72.92 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:00 AM
Sunset: 7:02 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:20 AM
Moon Transit: 11:55 AM
Moonset: 5:42 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:20 AM - 3:50 AM
11:25 AM - 1:55 PM

Minor Periods

5:12 PM - 6:42 PM
5:50 AM - 7:20 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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