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

55.8°F
Overcast
Overcast
53.9°F
56.4°F
100%
NE 7.6 mph
11.3 mph
54.9°F
56.1°F
0 in
100%
8 mi
1023 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 68°F
L: 56°F
Sunny
Tue
H: 73°F
L: 55°F
Patchy rain nearby
Wed
H: 79°F
L: 62°F
Sunny
Thu
H: 71°F
L: 58°F
Patchy rain nearby
Fri
H: 72°F
L: 54°F

Air Quality

PM2.5: 3.75 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 147.85 μg/m3
Nitrogen Dioxide: 7.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 49 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:50 AM
Sunset: 8:14 PM
Daylight: 14 hrs 48 mins
Moonrise: 2:56 PM
Moon Transit: 8:54 PM
Moonset: 2:23 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

10:21 AM - 12:51 AM
8:24 PM - 10:54 PM

Minor Periods

2:26 PM - 3:56 PM
1:53 AM - 3:23 AM

Action Rating: 3 out of 5

Rip Current Statement issued May 24 at 7:24PM EDT until May 25 at 9:00PM EDT by NWS Upton NY

Effective: Sun May 24, 2026, 7:24 PM
Expires: Mon May 25, 2026, 4:00 AM

* WHAT...Dangerous rip currents. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...Through Monday evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.
Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
68.1°F
56.3°F
60.2°F
95%
0.17 in
89%
0%
8.3 mph
5.1


Air Quality

AQI: 1 - Good
PM2.5: 4.11 μg/m3
PM10: 4.77 μg/m3
Carbon Monoxide: 161.05 μg/m3
Nitrogen Dioxide: 8.26 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 54.44 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:50 AM
Sunset: 8:14 PM
Daylight: 14 hrs 48 mins
Moonrise: 2:56 PM
Moon Transit: 8:54 PM
Moonset: 2:23 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

10:21 AM - 12:51 AM
8:24 PM - 10:54 PM

Minor Periods

2:26 PM - 3:56 PM
1:53 AM - 3:23 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Sunny
72.8°F
55.4°F
64.4°F
73%
0 in
0%
0%
10.1 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 12.66 μg/m3
PM10: 12.97 μg/m3
Carbon Monoxide: 222.81 μg/m3
Nitrogen Dioxide: 25.33 μg/m3
Sulphur Dioxide: 1.96 μg/m3
Ozone: 50.56 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:50 AM
Sunset: 8:15 PM
Daylight: 14 hrs 49 mins
Moonrise: 3:59 PM
Moon Transit: 9:36 PM
Moonset: 2:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

3:29 PM - 4:59 PM
2:13 AM - 3:43 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
78.6°F
61.6°F
69.5°F
75%
0.04 in
82%
0%
10.3 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 15.47 μg/m3
PM10: 16.02 μg/m3
Carbon Monoxide: 243.96 μg/m3
Nitrogen Dioxide: 20.76 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 76.28 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:50 AM
Sunset: 8:16 PM
Daylight: 14 hrs 51 mins
Moonrise: 5:03 PM
Moon Transit: 10:18 PM
Moonset: 3:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

11:45 AM - 2:15 PM
12:00 AM - 12:00 AM

Minor Periods

4:33 PM - 6:03 PM
2:34 AM - 4:04 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Sunny
71.1°F
57.8°F
64.7°F
65%
0 in
0%
0%
15 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 8.07 μg/m3
PM10: 8.39 μg/m3
Carbon Monoxide: 199.95 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 67.85 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:50 AM
Sunset: 8:17 PM
Daylight: 14 hrs 52 mins
Moonrise: 6:07 PM
Moon Transit: 11:03 PM
Moonset: 3:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:37 PM - 7:07 PM
2:56 AM - 4:26 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Patchy rain nearby
71.9°F
53.7°F
60.2°F
64%
0.02 in
60%
0%
13.2 mph
1.1


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: 5:24 AM
Sun Transit: 12:50 AM
Sunset: 8:17 PM
Daylight: 14 hrs 53 mins
Moonrise: 7:10 PM
Moon Transit: 11:50 PM
Moonset: 3:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

1:14 PM - 3:44 PM
12:00 AM - 12:00 AM

Minor Periods

6:40 PM - 8:10 PM
3:23 AM - 4:53 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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