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

Current Water Temperature

59.0°F

Measurement Time: Saturday, April 18, 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

52.2°F
Overcast
Overcast
49.4°F
53.5°F
100%
NE 8.1 mph
11 mph
50.8°F
46.3°F
0 in
100%
9 mi
1019 mbar
0.8

Five Day Weather Forecast

Partly Cloudy
Sat
H: 67°F
L: 48°F
Patchy rain nearby
Sun
H: 51°F
L: 40°F
Patchy rain nearby
Mon
H: 48°F
L: 34°F
Sunny
Tue
H: 50°F
L: 30°F
Patchy rain nearby
Wed
H: 64°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 7.45 μg/m3
PM10: 7.95 μg/m3
Carbon Monoxide: 189.85 μg/m3
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:48 AM
Sunset: 7:33 PM
Daylight: 13 hrs 28 mins
Moonrise: 6:21 AM
Moon Transit: 1:50 PM
Moonset: 9:34 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
1:20 PM - 3:50 PM

Minor Periods

9:04 PM - 10:34 PM
5:51 AM - 7:21 AM

Action Rating: 5 out of 5

Coastal Flood Statement issued April 17 at 10:17PM EDT until April 19 at 2:00AM EDT by NWS Upton NY

Effective: Fri April 17, 2026, 10:17 PM
Expires: Sat April 18, 2026, 6:00 AM

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern New Haven County. * WHEN...From Saturday evening into late Saturday night. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.
Saturday, April 18, 2026

Weather Forecast

Partly Cloudy
66.9°F
47.5°F
55.6°F
76%
0 in
0%
0%
8.7 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 10.11 μg/m3
PM10: 11.06 μg/m3
Carbon Monoxide: 204.49 μg/m3
Nitrogen Dioxide: 11.74 μg/m3
Sulphur Dioxide: 2.68 μg/m3
Ozone: 73.44 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:48 AM
Sunset: 7:33 PM
Daylight: 13 hrs 28 mins
Moonrise: 6:21 AM
Moon Transit: 1:50 PM
Moonset: 9:34 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
1:20 PM - 3:50 PM

Minor Periods

9:04 PM - 10:34 PM
5:51 AM - 7:21 AM

Action Rating: 5 out of 5

Sunday, April 19, 2026

Weather Forecast

Patchy rain nearby
50.6°F
39.8°F
45.8°F
88%
0.07 in
89%
0%
13 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 6.14 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 183.05 μg/m3
Nitrogen Dioxide: 6.98 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 79.96 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:48 AM
Sunset: 7:34 PM
Daylight: 13 hrs 30 mins
Moonrise: 6:59 AM
Moon Transit: 2:51 PM
Moonset: 10:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
2:21 PM - 4:51 PM

Minor Periods

10:25 PM - 11:55 PM
6:29 AM - 7:59 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
48°F
33.9°F
41.2°F
65%
0.08 in
88%
0%
9.8 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 5.02 μg/m3
PM10: 5.41 μg/m3
Carbon Monoxide: 177.97 μg/m3
Nitrogen Dioxide: 6.83 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 83.44 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:48 AM
Sunset: 7:35 PM
Daylight: 13 hrs 33 mins
Moonrise: 7:47 AM
Moon Transit: 3:55 PM
Moonset: 12:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:20 AM - 7:50 AM
3:25 PM - 5:55 PM

Minor Periods

12:00 AM - 12:00 AM
7:17 AM - 8:47 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
49.9°F
30.1°F
40.8°F
55%
0 in
0%
0%
10.7 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 5.27 μg/m3
PM10: 5.77 μg/m3
Carbon Monoxide: 172.34 μg/m3
Nitrogen Dioxide: 6.21 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 85.4 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
63.6°F
40.8°F
48.5°F
72%
0.06 in
82%
0%
11.9 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.87 μg/m3
PM10: 8.8 μg/m3
Carbon Monoxide: 170.94 μg/m3
Nitrogen Dioxide: 4.4 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 98.38 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

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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