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

Current Water Temperature

44.8°F

Measurement Time: Tuesday, April 21, 2026, 3:45 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

39.4°F
Sunny
Sunny
35.4°F
37.2°F
41%
N 5.4 mph
6.6 mph
32.1°F
17.9°F
0 in
0%
9 mi
1028 mbar
0.8

Five Day Weather Forecast

Sunny
Tue
H: 51°F
L: 30°F
Patchy rain nearby
Wed
H: 47°F
L: 38°F
Sunny
Thu
H: 60°F
L: 40°F
Sunny
Fri
H: 59°F
L: 38°F
Partly Cloudy
Sat
H: 51°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 5.45 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 162.85 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 101 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:48 AM
Sunset: 7:36 PM
Daylight: 13 hrs 36 mins
Moonrise: 8:47 AM
Moon Transit: 5:00 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
4:30 PM - 7:00 PM

Minor Periods

8:17 AM - 9:47 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Freeze Warning issued April 20 at 1:57PM EDT until April 21 at 9:00AM EDT by NWS Upton NY

Effective: Mon April 20, 2026, 1:57 PM
Expires: Tue April 21, 2026, 9:00 AM

* WHAT...Sub freezing temperatures in the 20s and lower 30s expected. * WHERE...All of southern Connecticut, and most of northeast New Jersey and southeast New York. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Freeze and frost conditions could kill crops and other sensitive vegetation.

Take steps now to protect tender plants from the cold.
Tuesday, April 21, 2026

Weather Forecast

Sunny
51.1°F
30°F
40.2°F
45%
0 in
0%
0%
10.1 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 6.39 μg/m3
PM10: 7.03 μg/m3
Carbon Monoxide: 177.61 μg/m3
Nitrogen Dioxide: 6.71 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 85.16 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:48 AM
Sunset: 7:36 PM
Daylight: 13 hrs 36 mins
Moonrise: 8:47 AM
Moon Transit: 5:00 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
4:30 PM - 7:00 PM

Minor Periods

8:17 AM - 9:47 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
47.2°F
38.2°F
42.9°F
87%
0.14 in
89%
0%
10.1 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 13.85 μg/m3
PM10: 18.03 μg/m3
Carbon Monoxide: 162.77 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 100.72 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 12:47 AM
Sunset: 7:37 PM
Daylight: 13 hrs 38 mins
Moonrise: 9:57 AM
Moon Transit: 6:02 PM
Moonset: 1:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
5:32 PM - 8:02 PM

Minor Periods

9:27 AM - 10:57 AM
12:40 AM - 2:10 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Sunny
60.1°F
40.4°F
49.5°F
63%
0 in
0%
0%
13.4 mph
5.4


Air Quality

AQI: 1 - Good
PM2.5: 12.73 μg/m3
PM10: 16.66 μg/m3
Carbon Monoxide: 164.61 μg/m3
Nitrogen Dioxide: 7.13 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 90.08 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 12:47 AM
Sunset: 7:38 PM
Daylight: 13 hrs 41 mins
Moonrise: 11:12 AM
Moon Transit: 7:00 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
6:30 PM - 9:00 PM

Minor Periods

10:42 AM - 12:12 AM
1:29 AM - 2:59 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Sunny
58.8°F
38.2°F
47.6°F
52%
0 in
0%
0%
9.8 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 5.85 μg/m3
PM10: 6.77 μg/m3
Carbon Monoxide: 172.46 μg/m3
Nitrogen Dioxide: 11.78 μg/m3
Sulphur Dioxide: 2.82 μg/m3
Ozone: 76.64 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 12:47 AM
Sunset: 7:39 PM
Daylight: 13 hrs 43 mins
Moonrise: 12:27 AM
Moon Transit: 7:53 PM
Moonset: 2:37 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
7:23 PM - 9:53 PM

Minor Periods

11:57 AM - 1:27 PM
2:07 AM - 3:37 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Partly Cloudy
50.9°F
35.7°F
42.2°F
68%
0 in
0%
0%
8.7 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 11.43 μg/m3
Carbon Monoxide: 242 μg/m3
Nitrogen Dioxide: 17.63 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 61.69 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:47 AM
Sunset: 7:40 PM
Daylight: 13 hrs 46 mins
Moonrise: 1:39 PM
Moon Transit: 8:41 PM
Moonset: 3:07 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

10:14 AM - 12:44 AM
8:11 PM - 10:41 PM

Minor Periods

1:09 PM - 2:39 PM
2:37 AM - 4:07 AM

Action Rating: 2 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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