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

21°F
Overcast
Overcast
6.9°F
25°F
45%
WSW 16.3 mph
19.9 mph
12.4°F
10.9°F
0 in
100%
9 mi
1014 mbar
0.4

Five Day Weather Forecast

Sunny
Tue
H: 27°F
L: 10°F
Sunny
Wed
H: 26°F
L: 7°F
Sunny
Thu
H: 27°F
L: 15°F
Sunny
Fri
H: 21°F
L: 2°F
Partly Cloudy
Sat
H: 21°F
L: -1°F

Air Quality

AQI: 1 - Good
PM2.5: 16.95 μg/m3
PM10: 17.45 μg/m3
Carbon Monoxide: 288.85 μg/m3
Nitrogen Dioxide: 28.05 μg/m3
Sulphur Dioxide: 6.65 μg/m3
Ozone: 49 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:05 AM
Sunset: 5:04 PM
Daylight: 9 hrs 55 mins
Moonrise: 11:27 AM
Moon Transit: 7:19 PM
Moonset: 2:05 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

8:38 AM - 11:08 AM
6:49 PM - 9:19 PM

Minor Periods

10:57 AM - 12:27 AM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Cold Weather Advisory issued January 27 at 1:04AM EST until January 28 at 10:00AM EST by NWS Upton NY

Effective: Tue January 27, 2026, 1:04 AM
Expires: Tue January 27, 2026, 1:00 PM

* WHAT...Very cold wind chills as low as 5 below expected. * WHERE...Northern Nassau and Southern Nassau Counties. * WHEN...From midnight tonight to 10 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 27 at 1:04AM EST until January 28 at 10:00AM EST by NWS Upton NY

Effective: Tue January 27, 2026, 1:04 AM
Expires: Tue January 27, 2026, 1:00 PM

* WHAT...Very cold wind chills as low as 6 below expected. * WHERE...Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens Counties. * WHEN...From midnight tonight to 10 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Tuesday, January 27, 2026

Weather Forecast

Sunny
27°F
9.7°F
16.7°F
62%
0 in
0%
4%
17.2 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 9.14 μg/m3
Carbon Monoxide: 223.93 μg/m3
Nitrogen Dioxide: 13.11 μg/m3
Sulphur Dioxide: 3.82 μg/m3
Ozone: 65.72 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:05 AM
Sunset: 5:04 PM
Daylight: 9 hrs 55 mins
Moonrise: 11:27 AM
Moon Transit: 7:19 PM
Moonset: 2:05 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

8:38 AM - 11:08 AM
6:49 PM - 9:19 PM

Minor Periods

10:57 AM - 12:27 AM
1:35 AM - 3:05 AM

Action Rating: 2 out of 5

Wednesday, January 28, 2026

Weather Forecast

Sunny
26.1°F
6.8°F
17.1°F
69%
0 in
0%
3%
13.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 12.23 μg/m3
PM10: 12.5 μg/m3
Carbon Monoxide: 258.33 μg/m3
Nitrogen Dioxide: 16.6 μg/m3
Sulphur Dioxide: 3.2 μg/m3
Ozone: 58.52 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:06 AM
Sunset: 5:05 PM
Daylight: 9 hrs 57 mins
Moonrise: 12:14 AM
Moon Transit: 8:21 PM
Moonset: 3:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

9:39 AM - 12:09 AM
7:51 PM - 10:21 PM

Minor Periods

11:44 AM - 1:14 PM
2:51 AM - 4:21 AM

Action Rating: 2 out of 5

Thursday, January 29, 2026

Weather Forecast

Sunny
27.1°F
15.1°F
20.8°F
66%
0 in
0%
0%
12.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 13.43 μg/m3
PM10: 13.77 μg/m3
Carbon Monoxide: 261.77 μg/m3
Nitrogen Dioxide: 26.53 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 45.44 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:06 AM
Sunset: 5:06 PM
Daylight: 10 hrs mins
Moonrise: 1:13 PM
Moon Transit: 9:26 PM
Moonset: 4:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

10:43 AM - 1:13 PM
8:56 PM - 11:26 PM

Minor Periods

12:43 AM - 2:13 PM
4:04 AM - 5:34 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Sunny
20.7°F
2.2°F
14.6°F
67%
0 in
0%
0%
12.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 5.64 μg/m3
PM10: 5.75 μg/m3
Carbon Monoxide: 201.69 μg/m3
Nitrogen Dioxide: 9.85 μg/m3
Sulphur Dioxide: 1.87 μg/m3
Ozone: 63.84 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:06 AM
Sunset: 5:07 PM
Daylight: 10 hrs 2 mins
Moonrise: 2:24 PM
Moon Transit: 10:30 PM
Moonset: 5:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

11:48 AM - 2:18 PM
12:00 AM - 12:00 AM

Minor Periods

1:54 PM - 3:24 PM
5:06 AM - 6:36 AM

Action Rating: 3 out of 5

Saturday, January 31, 2026

Weather Forecast

Partly Cloudy
21°F
-0.7°F
10.2°F
86%
0 in
0%
0%
15.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 5.45 μg/m3
PM10: 5.6 μg/m3
Carbon Monoxide: 227.25 μg/m3
Nitrogen Dioxide: 10.64 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 60.15 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:06 AM
Sunset: 5:09 PM
Daylight: 10 hrs 4 mins
Moonrise: 3:41 PM
Moon Transit: 11:30 PM
Moonset: 6:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 PM
12:00 AM - 12:00 AM

Minor Periods

3:11 PM - 4:41 PM
5:57 AM - 7:27 AM

Action Rating: 4 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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