Water Temperature of the Connecticut River in Old Lyme, CT
Current Water Temperature
Measurement Time: Friday, September 11, 2026, 12:45 PM 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
56°F - Clear
Saturday
75°F - Sunny
Saturday Night
64°F - Mostly Cloudy then Chance Showers And Thunderstorms
Sunday
77°F - Showers And Thunderstorms
Sunday Night
63°F - Chance Rain Showers then Mostly Cloudy
Monday
75°F - Mostly Sunny
Monday Night
52°F - Mostly Clear
Tuesday
72°F - Sunny
Tuesday Night
56°F - Mostly Clear
Wednesday
76°F - Mostly Sunny
Wednesday Night
61°F - Partly Cloudy
Thursday
78°F - Mostly Sunny then Slight Chance Rain Showers
Thursday Night
60°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
