Water Temperature of the Connecticut River in Old Lyme, CT
Current Water Temperature
Measurement Time: Friday, September 11, 2026, 8:45 AM EDT
Temperature Locations
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Local Points of Interest
Ferry Landing State ParkStation Name: CONNECTICUT RIVER AT OLD LYME, CT
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 20 feet
Nearest Address:
336 Ferry Rd
Old Lyme, CT 06371
New London County
GPS Coordinates: 41.3125983, -72.3459166
Nearby Water Temperatures
East Branch Eightmile River, Lyme, CT (8 mi)Eightmile River, East Haddam, CT (8.9 mi)
Orient Harbor, Orient, NY (12.3 mi)
Thames River, New London, CT (13.6 mi)
Thames River, Groton, CT (13.9 mi)
Mystic River, Noank, CT (18.8 mi)
Connecticut River, Middletown, CT (19.1 mi)
Mystic Harbor, Mystic, CT (19.7 mi)
Mystic River, Mystic, CT (19.9 mi)
Mystic River, Old Mystic, CT (20.4 mi)
Yantic River, Norwich, CT (20.6 mi)
Pawcatuck River, Westerly, RI (27 mi)
Fort Pond Bay, Montauk, NY (27.2 mi)
Quinnipiac River, Wallingford, CT (27.4 mi)
New Haven Harbor, New Haven, CT (29.3 mi)
Weather for Old Lyme, Connecticut
Current Weather
Weather Forecast
This Afternoon
77°F - Sunny
Tonight
55°F - Mostly Clear
Saturday
75°F - Mostly Sunny
Saturday Night
63°F - Showers And Thunderstorms Likely
Sunday
78°F - Showers And Thunderstorms
Sunday Night
63°F - Partly Cloudy
Monday
76°F - Sunny
Monday Night
54°F - Mostly Clear
Tuesday
73°F - Sunny
Tuesday Night
60°F - Mostly Clear
Wednesday
79°F - Sunny
Wednesday Night
62°F - Partly Cloudy then Slight Chance Rain Showers
Thursday
77°F - Chance Rain Showers
Thursday Night
62°F - Chance Rain Showers
Astronomical
Sun Transit: 12:45 AM
Sunset: 7:05 PM
Daylight: 12 hrs 39 mins
Moon Transit: 1:08 PM
Moonset: 7:11 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
2:41 AM - 5:11 AM12:38 AM - 3:08 PM
Minor Periods
6:41 PM - 8:11 PM6:25 AM - 7:55 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 7:05 PM
Daylight: 12 hrs 39 mins
Moon Transit: 1:08 PM
Moonset: 7:11 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
2:41 AM - 5:11 AM12:38 AM - 3:08 PM
Minor Periods
6:41 PM - 8:11 PM6:25 AM - 7:55 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 7:05 PM
Daylight: 12 hrs 39 mins
Moon Transit: 1:08 PM
Moonset: 7:11 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
2:41 AM - 5:11 AM12:38 AM - 3:08 PM
Minor Periods
6:41 PM - 8:11 PM6:25 AM - 7:55 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 7:04 PM
Daylight: 12 hrs 36 mins
Moon Transit: 1:53 PM
Moonset: 7:33 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
3:27 AM - 5:57 AM1:23 PM - 3:53 PM
Minor Periods
7:03 PM - 8:33 PM7:34 AM - 9:04 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 7:04 PM
Daylight: 12 hrs 36 mins
Moon Transit: 1:53 PM
Moonset: 7:33 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
3:27 AM - 5:57 AM1:23 PM - 3:53 PM
Minor Periods
7:03 PM - 8:33 PM7:34 AM - 9:04 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 7:02 PM
Daylight: 12 hrs 34 mins
Moon Transit: 2:39 PM
Moonset: 7:56 PM
Moon Phase: New
Moon Illumination: 2.2%
Best Times for Fishing or Hunting
Major Periods
4:12 AM - 6:42 AM2:09 PM - 4:39 PM
Minor Periods
7:26 PM - 8:56 PM8:42 AM - 10:12 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 7:02 PM
Daylight: 12 hrs 34 mins
Moon Transit: 2:39 PM
Moonset: 7:56 PM
Moon Phase: New
Moon Illumination: 2.2%
Best Times for Fishing or Hunting
Major Periods
4:12 AM - 6:42 AM2:09 PM - 4:39 PM
Minor Periods
7:26 PM - 8:56 PM8:42 AM - 10:12 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 7:00 PM
Daylight: 12 hrs 31 mins
Moon Transit: 3:24 PM
Moonset: 8:22 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%
Best Times for Fishing or Hunting
Major Periods
4:57 AM - 7:27 AM2:54 PM - 5:24 PM
Minor Periods
7:52 PM - 9:22 PM9:50 AM - 11:20 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 7:00 PM
Daylight: 12 hrs 31 mins
Moon Transit: 3:24 PM
Moonset: 8:22 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%
Best Times for Fishing or Hunting
Major Periods
4:57 AM - 7:27 AM2:54 PM - 5:24 PM
Minor Periods
7:52 PM - 9:22 PM9:50 AM - 11:20 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:59 PM
Daylight: 12 hrs 28 mins
Moon Transit: 4:12 PM
Moonset: 8:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%
Best Times for Fishing or Hunting
Major Periods
5:44 AM - 8:14 AM3:42 PM - 6:12 PM
Minor Periods
8:22 PM - 9:52 PM10:56 AM - 12:26 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:59 PM
Daylight: 12 hrs 28 mins
Moon Transit: 4:12 PM
Moonset: 8:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%
Best Times for Fishing or Hunting
Major Periods
5:44 AM - 8:14 AM3:42 PM - 6:12 PM
Minor Periods
8:22 PM - 9:52 PM10:56 AM - 12:26 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:57 PM
Daylight: 12 hrs 26 mins
Moon Transit: 5:01 PM
Moonset: 9:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%
Best Times for Fishing or Hunting
Major Periods
6:32 AM - 9:02 AM4:31 PM - 7:01 PM
Minor Periods
8:57 PM - 10:27 PM12:02 AM - 1:32 PM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:57 PM
Daylight: 12 hrs 26 mins
Moon Transit: 5:01 PM
Moonset: 9:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%
Best Times for Fishing or Hunting
Major Periods
6:32 AM - 9:02 AM4:31 PM - 7:01 PM
Minor Periods
8:57 PM - 10:27 PM12:02 AM - 1:32 PM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 6:55 PM
Daylight: 12 hrs 23 mins
Moon Transit: 5:52 PM
Moonset: 10:10 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%
Best Times for Fishing or Hunting
Major Periods
7:23 AM - 9:53 AM5:22 PM - 7:52 PM
Minor Periods
9:40 PM - 11:10 PM1:02 PM - 2:32 PM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 6:55 PM
Daylight: 12 hrs 23 mins
Moon Transit: 5:52 PM
Moonset: 10:10 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%
Best Times for Fishing or Hunting
Major Periods
7:23 AM - 9:53 AM5:22 PM - 7:52 PM
Minor Periods
9:40 PM - 11:10 PM1:02 PM - 2:32 PM
Action Rating: 2 out of 5
