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

82°F
Sunny
Sunny
83.7°F
86.1°F
41%
SE 5.1 mph
6.8 mph
83.8°F
64.6°F
0 in
0%
9 mi
1021 mbar
2.6

Five Day Weather Forecast

Sunny
Sun
H: 84°F
L: 64°F
Sunny
Mon
H: 85°F
L: 67°F
Sunny
Tue
H: 93°F
L: 70°F
Sunny
Wed
H: 94°F
L: 74°F
Partly Cloudy
Thu
H: 82°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 6.4 μg/m3
PM10: 6.6 μg/m3
Carbon Monoxide: 168 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 118 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:58 AM
Sunset: 8:26 PM
Daylight: 14 hrs 55 mins
Moonrise: 2:58 AM
Moon Transit: 11:09 AM
Moonset: 7:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
10:39 AM - 1:09 PM

Minor Periods

6:50 PM - 8:20 PM
2:28 AM - 3:58 AM

Action Rating: 3 out of 5

Coastal Flood Statement issued July 12 at 3:23AM EDT until July 13 at 12:00AM EDT by NWS Upton NY

Effective: Sun July 12, 2026, 3:23 AM
Expires: Mon July 13, 2026, 12:00 AM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Fairfield County. * WHEN...This evening. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.


Coastal Flood Statement issued July 12 at 3:23AM EDT until July 12 at 9:00PM EDT by NWS Upton NY

Effective: Sun July 12, 2026, 3:23 AM
Expires: Sun July 12, 2026, 9:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Queens and Southern Nassau Counties. * WHEN...From this afternoon through this evening. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.
Sunday, July 12, 2026

Weather Forecast

Sunny
83.8°F
64.4°F
73.4°F
66%
0 in
4%
0%
10.5 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 9.37 μg/m3
PM10: 10.34 μg/m3
Carbon Monoxide: 167.88 μg/m3
Nitrogen Dioxide: 7.75 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 85.17 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:58 AM
Sunset: 8:26 PM
Daylight: 14 hrs 55 mins
Moonrise: 2:58 AM
Moon Transit: 11:09 AM
Moonset: 7:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:25 AM - 2:55 AM
10:39 AM - 1:09 PM

Minor Periods

6:50 PM - 8:20 PM
2:28 AM - 3:58 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Sunny
85°F
66.5°F
74.8°F
61%
0 in
5%
0%
14.3 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 13.45 μg/m3
PM10: 15.73 μg/m3
Carbon Monoxide: 143.63 μg/m3
Nitrogen Dioxide: 12.33 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 89.88 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:58 AM
Sunset: 8:26 PM
Daylight: 14 hrs 54 mins
Moonrise: 4:07 AM
Moon Transit: 12:16 AM
Moonset: 8:18 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
11:46 AM - 2:16 PM

Minor Periods

7:48 PM - 9:18 PM
3:37 AM - 5:07 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
92.5°F
70.1°F
81.2°F
55%
0 in
3%
0%
17.2 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 11.58 μg/m3
PM10: 13.56 μg/m3
Carbon Monoxide: 159.58 μg/m3
Nitrogen Dioxide: 8.5 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 103.75 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 53 mins
Moonrise: 5:25 AM
Moon Transit: 1:20 PM
Moonset: 9:02 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
12:50 AM - 3:20 PM

Minor Periods

8:32 PM - 10:02 PM
4:55 AM - 6:25 AM

Action Rating: 5 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
94.3°F
74.1°F
84.2°F
53%
0.01 in
17%
0%
16.1 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 8.15 μg/m3
PM10: 8.66 μg/m3
Carbon Monoxide: 154.73 μg/m3
Nitrogen Dioxide: 4.98 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 106.75 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 51 mins
Moonrise: 6:47 AM
Moon Transit: 2:18 PM
Moonset: 9:36 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:39 AM - 6:09 AM
1:48 PM - 4:18 PM

Minor Periods

9:06 PM - 10:36 PM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Partly Cloudy
81.6°F
71.7°F
76.2°F
57%
0.02 in
36%
0%
13.4 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.5 μg/m3
PM10: 5.52 μg/m3
Carbon Monoxide: 181.22 μg/m3
Nitrogen Dioxide: 5.61 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 75.11 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 50 mins
Moonrise: 8:06 AM
Moon Transit: 3:12 PM
Moonset: 10:04 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:34 AM - 7:04 AM
2:42 PM - 5:12 PM

Minor Periods

9:34 PM - 11:04 PM
7:36 AM - 9:06 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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