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

43.2°F
Overcast
Overcast
36.4°F
42.7°F
81%
ENE 13.2 mph
16.1 mph
36.1°F
38.4°F
0 in
100%
9 mi
1032 mbar
2.4

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 44°F
L: 39°F
Overcast
Fri
H: 49°F
L: 39°F
Fog
Sat
H: 52°F
L: 41°F
Overcast
Sun
H: 58°F
L: 40°F
Sunny
Mon
H: 50°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 187.85 μg/m3
Nitrogen Dioxide: 8.65 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:00 AM
Sunset: 7:19 PM
Daylight: 12 hrs 44 mins
Moonrise: 8:17 PM
Moon Transit: 12:56 AM
Moonset: 6:32 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:26 AM - 2:56 AM
3:06 PM - 5:36 PM

Minor Periods

7:47 PM - 9:17 PM
6:02 AM - 7:32 AM

Action Rating: 4 out of 5

Coastal Flood Statement issued April 2 at 5:08AM EDT until April 2 at 10:00PM EDT by NWS Upton NY

Effective: Thu April 2, 2026, 5:08 AM
Expires: Thu April 2, 2026, 10:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In New Jersey, Hudson, Eastern Essex and Eastern Union Counties. In New York, Richmond (Staten Island) and Southern Nassau Counties. * WHEN...This evening. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.
Thursday, April 2, 2026

Weather Forecast

Patchy rain nearby
44.1°F
39.2°F
43.1°F
86%
0.08 in
87%
0%
15.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 5.02 μg/m3
PM10: 5.35 μg/m3
Carbon Monoxide: 211.65 μg/m3
Nitrogen Dioxide: 9.47 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 80.12 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:00 AM
Sunset: 7:19 PM
Daylight: 12 hrs 44 mins
Moonrise: 8:17 PM
Moon Transit: 12:56 AM
Moonset: 6:32 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:26 AM - 2:56 AM
3:06 PM - 5:36 PM

Minor Periods

7:47 PM - 9:17 PM
6:02 AM - 7:32 AM

Action Rating: 4 out of 5

Friday, April 3, 2026

Weather Forecast

Overcast
48.7°F
38.5°F
43.5°F
94%
0 in
0%
0%
12.3 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 7.41 μg/m3
PM10: 8.54 μg/m3
Carbon Monoxide: 200.09 μg/m3
Nitrogen Dioxide: 11.19 μg/m3
Sulphur Dioxide: 3.08 μg/m3
Ozone: 73.04 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:00 AM
Sunset: 7:20 PM
Daylight: 12 hrs 47 mins
Moonrise: 9:21 PM
Moon Transit: 1:39 AM
Moonset: 6:54 AM
Moon Phase: Full
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

1:09 AM - 3:39 AM
3:49 PM - 6:19 PM

Minor Periods

8:51 PM - 10:21 PM
6:24 AM - 7:54 AM

Action Rating: 4 out of 5

Saturday, April 4, 2026

Weather Forecast

Fog
52°F
41.2°F
47.6°F
95%
0 in
0%
0%
15.4 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 9.37 μg/m3
PM10: 9.79 μg/m3
Carbon Monoxide: 238.85 μg/m3
Nitrogen Dioxide: 14.99 μg/m3
Sulphur Dioxide: 4.39 μg/m3
Ozone: 74.04 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:00 AM
Sunset: 7:21 PM
Daylight: 12 hrs 50 mins
Moonrise: 10:27 PM
Moon Transit: 2:24 AM
Moonset: 7:19 AM
Moon Phase: Full
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

1:54 AM - 4:24 AM
4:35 PM - 7:05 PM

Minor Periods

9:57 PM - 11:27 PM
6:49 AM - 8:19 AM

Action Rating: 5 out of 5

Sunday, April 5, 2026

Weather Forecast

Overcast
57.5°F
39.7°F
46.1°F
88%
0 in
0%
0%
16.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 7.45 μg/m3
PM10: 8.73 μg/m3
Carbon Monoxide: 210.17 μg/m3
Nitrogen Dioxide: 10.06 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 69.16 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 12:55 AM
Sunset: 7:22 PM
Daylight: 12 hrs 52 mins
Moonrise: 11:30 PM
Moon Transit: 3:10 AM
Moonset: 7:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.9%

Best Times for Fishing or Hunting

Major Periods

2:40 AM - 5:10 AM
5:22 PM - 7:52 PM

Minor Periods

12:00 AM - 12:00 AM
7:19 AM - 8:49 AM

Action Rating: 3 out of 5

Monday, April 6, 2026

Weather Forecast

Sunny
50.3°F
38.3°F
44.8°F
53%
0 in
0%
0%
14.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.06 μg/m3
PM10: 3.07 μg/m3
Carbon Monoxide: 179.16 μg/m3
Nitrogen Dioxide: 6.7 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 76.85 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:55 AM
Sunset: 7:23 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:30 AM
Moon Transit: 4:00 AM
Moonset: 8:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
6:12 PM - 8:42 PM

Minor Periods

7:54 AM - 9:24 AM
12:00 AM - 12:00 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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