Water Temperature of the East Branch Eightmile River in Lyme, CT

Current Water Temperature

69.1°F

Measurement Time: Monday, June 29, 2026, 4:45 AM EDT

Temperature Locations

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East Branch Eightmile River

Station Name: EAST BRANCH EIGHTMILE RIVER NEAR NORTH LYME, CT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 85 feet

Nearest Address:
590 Hamburg Rd
Lyme, CT 06371
New London County

GPS Coordinates: 41.42751667, -72.33477778

Nearby Water Temperatures

Eightmile River, East Haddam, CT (1 mi)
Connecticut River, Old Lyme, CT (8 mi)
Thames River, New London, CT (13 mi)
Connecticut River, Middletown, CT (13.8 mi)
Thames River, Groton, CT (14.2 mi)
Yantic River, Norwich, CT (14.3 mi)
Mystic River, Noank, CT (19.4 mi)
Mystic River, Old Mystic, CT (19.6 mi)
Mystic River, Mystic, CT (19.6 mi)
Mystic Harbor, Mystic, CT (19.8 mi)
Orient Harbor, Orient, NY (20.1 mi)
Pawcatuck River, Westerly, RI (26.2 mi)
Quinnipiac River, Wallingford, CT (26.3 mi)
Natchaug River, Chaplin, CT (29.3 mi)
North Branch Park River, Hartford, CT (31.3 mi)

Weather for Lyme, Connecticut

Current Weather

77.4°F
Sunny
Sunny
79.9°F
78.3°F
74%
NNE 5.6 mph
6.6 mph
75.6°F
63.1°F
0 in
0%
9 mi
1020 mbar
3.1

Five Day Weather Forecast

Sunny
Mon
H: 90°F
L: 64°F
Mist
Tue
H: 84°F
L: 63°F
Patchy rain nearby
Wed
H: 94°F
L: 66°F
Sunny
Thu
H: 101°F
L: 72°F
Sunny
Fri
H: 99°F
L: 76°F

Air Quality

PM2.5: 15.3 μg/m3
PM10: 15.6 μg/m3
Carbon Monoxide: 145 μg/m3
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:52 AM
Sunset: 8:27 PM
Daylight: 15 hrs 9 mins
Moonrise: 8:45 PM
Moon Transit: 12:13 AM
Moonset: 4:30 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:35 PM - 5:05 PM

Minor Periods

8:15 PM - 9:45 PM
4:00 AM - 5:30 AM

Action Rating: 5 out of 5

Dense Fog Advisory issued June 29 at 2:41AM EDT until June 29 at 9:00AM EDT by NWS Upton NY

Effective: Mon June 29, 2026, 2:41 AM
Expires: Mon June 29, 2026, 9:00 AM

* WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Long Island Sound east of Port Jefferson and New Haven, Peconic and Gardiners Bays, and Moriches Inlet NY to Montauk Point NY out 20 NM. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult.

If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.


Dense Fog Advisory issued June 29 at 1:00AM EDT until June 29 at 9:00AM EDT by NWS Upton NY

Effective: Mon June 29, 2026, 1:00 AM
Expires: Mon June 29, 2026, 9:00 AM

* WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Long Island Sound east of Port Jefferson and New Haven, Peconic and Gardiners Bays, and Moriches Inlet NY to Montauk Point NY out 20 NM. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult.

If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.
Monday, June 29, 2026

Weather Forecast

Sunny
90.3°F
63.9°F
75.8°F
67%
0 in
6%
0%
9.2 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 15.06 μg/m3
PM10: 15.55 μg/m3
Carbon Monoxide: 145.33 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:52 AM
Sunset: 8:27 PM
Daylight: 15 hrs 9 mins
Moonrise: 8:45 PM
Moon Transit: 12:13 AM
Moonset: 4:30 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:35 PM - 5:05 PM

Minor Periods

8:15 PM - 9:45 PM
4:00 AM - 5:30 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Mist
83.5°F
63.2°F
71.7°F
78%
0.04 in
50%
0%
11.9 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 12.49 μg/m3
PM10: 13.58 μg/m3
Carbon Monoxide: 137.33 μg/m3
Nitrogen Dioxide: 5.88 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 95.71 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:53 AM
Sunset: 8:27 PM
Daylight: 15 hrs 8 mins
Moonrise: 9:24 PM
Moon Transit: 1:04 AM
Moonset: 5:28 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:34 AM - 3:04 AM
3:25 PM - 5:55 PM

Minor Periods

8:54 PM - 10:24 PM
4:58 AM - 6:28 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Patchy rain nearby
94.3°F
65.6°F
76.1°F
83%
0.35 in
80%
0%
12.5 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 12.5 μg/m3
PM10: 14.43 μg/m3
Carbon Monoxide: 162.45 μg/m3
Nitrogen Dioxide: 6.08 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 103.5 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:53 AM
Sunset: 8:27 PM
Daylight: 15 hrs 8 mins
Moonrise: 9:56 PM
Moon Transit: 1:54 AM
Moonset: 6:31 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
4:14 PM - 6:44 PM

Minor Periods

9:26 PM - 10:56 PM
6:01 AM - 7:31 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
101.2°F
72.3°F
85.4°F
64%
0 in
4%
0%
11.6 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 13.99 μg/m3
PM10: 17.04 μg/m3
Carbon Monoxide: 249.86 μg/m3
Nitrogen Dioxide: 4.66 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 102.48 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:53 AM
Sunset: 8:27 PM
Daylight: 15 hrs 7 mins
Moonrise: 10:24 PM
Moon Transit: 2:42 AM
Moonset: 7:35 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
5:01 PM - 7:31 PM

Minor Periods

9:54 PM - 11:24 PM
7:05 AM - 8:35 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
99.1°F
75.7°F
86.1°F
59%
0 in
17%
0%
10.3 mph
9


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: 5:20 AM
Sun Transit: 12:53 AM
Sunset: 8:27 PM
Daylight: 15 hrs 6 mins
Moonrise: 10:48 PM
Moon Transit: 3:27 AM
Moonset: 8:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

2:57 AM - 5:27 AM
5:45 PM - 8:15 PM

Minor Periods

10:18 PM - 11:48 PM
8:10 AM - 9:40 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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