Water Temperature of the Connecticut River in Old Lyme, CT
Current Water Temperature
Measurement Time: Wednesday, September 2, 2026, 7:45 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
Overnight
64°F - Showers And Thunderstorms
Thursday
82°F - Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Thursday Night
66°F - Chance Showers And Thunderstorms then Partly Cloudy
Friday
83°F - Sunny
Friday Night
61°F - Mostly Clear
Saturday
77°F - Sunny then Chance Rain Showers
Saturday Night
56°F - Chance Rain Showers then Partly Cloudy
Sunday
73°F - Mostly Sunny
Sunday Night
56°F - Mostly Clear
Labor Day
76°F - Sunny
Monday Night
60°F - Partly Cloudy
Tuesday
77°F - Mostly Sunny
Tuesday Night
59°F - Partly Cloudy
Wednesday
76°F - Mostly Sunny
Astronomical
Sun Transit: 12:48 AM
Sunset: 7:19 PM
Daylight: 13 hrs 1 mins
Moon Transit: 5:40 AM
Moonset: 1:40 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%
Best Times for Fishing or Hunting
Major Periods
5:10 AM - 7:40 AM8:07 PM - 10:37 PM
Minor Periods
10:06 PM - 11:36 PM1:10 PM - 2:40 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: 12:48 AM
Sunset: 7:19 PM
Daylight: 13 hrs 1 mins
Moon Transit: 5:40 AM
Moonset: 1:40 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%
Best Times for Fishing or Hunting
Major Periods
5:10 AM - 7:40 AM8:07 PM - 10:37 PM
Minor Periods
10:06 PM - 11:36 PM1:10 PM - 2:40 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: 12:48 AM
Sunset: 7:19 PM
Daylight: 13 hrs 1 mins
Moon Transit: 5:40 AM
Moonset: 1:40 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%
Best Times for Fishing or Hunting
Major Periods
5:10 AM - 7:40 AM8:07 PM - 10:37 PM
Minor Periods
10:06 PM - 11:36 PM1:10 PM - 2:40 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: 12:48 AM
Sunset: 7:19 PM
Daylight: 13 hrs 1 mins
Moon Transit: 5:40 AM
Moonset: 1:40 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%
Best Times for Fishing or Hunting
Major Periods
5:10 AM - 7:40 AM8:07 PM - 10:37 PM
Minor Periods
10:06 PM - 11:36 PM1:10 PM - 2:40 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: 12:48 AM
Sunset: 7:17 PM
Daylight: 12 hrs 58 mins
Moon Transit: 6:40 AM
Moonset: 2:51 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%
Best Times for Fishing or Hunting
Major Periods
6:10 AM - 8:40 AM9:09 PM - 11:39 PM
Minor Periods
12:00 AM - 12:00 AM2:21 PM - 3:51 PM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 7:17 PM
Daylight: 12 hrs 58 mins
Moon Transit: 6:40 AM
Moonset: 2:51 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%
Best Times for Fishing or Hunting
Major Periods
6:10 AM - 8:40 AM9:09 PM - 11:39 PM
Minor Periods
12:00 AM - 12:00 AM2:21 PM - 3:51 PM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:48 AM
Sunset: 7:15 PM
Daylight: 12 hrs 55 mins
Moon Transit: 7:43 AM
Moonset: 3:53 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%
Best Times for Fishing or Hunting
Major Periods
7:13 AM - 9:43 AM12:00 AM - 12:00 AM
Minor Periods
3:23 PM - 4:53 PM12:00 AM - 12:00 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: 12:48 AM
Sunset: 7:15 PM
Daylight: 12 hrs 55 mins
Moon Transit: 7:43 AM
Moonset: 3:53 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%
Best Times for Fishing or Hunting
Major Periods
7:13 AM - 9:43 AM12:00 AM - 12:00 AM
Minor Periods
3:23 PM - 4:53 PM12:00 AM - 12:00 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: 12:47 AM
Sunset: 7:14 PM
Daylight: 12 hrs 53 mins
Moon Transit: 8:45 AM
Moonset: 4:45 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%
Best Times for Fishing or Hunting
Major Periods
8:15 AM - 10:45 AM12:00 AM - 12:00 AM
Minor Periods
4:15 PM - 5:45 PM12:09 AM - 1:39 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: 12:47 AM
Sunset: 7:14 PM
Daylight: 12 hrs 53 mins
Moon Transit: 8:45 AM
Moonset: 4:45 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%
Best Times for Fishing or Hunting
Major Periods
8:15 AM - 10:45 AM12:00 AM - 12:00 AM
Minor Periods
4:15 PM - 5:45 PM12:09 AM - 1:39 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: 12:47 AM
Sunset: 7:12 PM
Daylight: 12 hrs 50 mins
Moon Transit: 9:46 AM
Moonset: 5:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:16 AM - 11:46 AM
Minor Periods
4:56 PM - 6:26 PM1:24 AM - 2:54 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: 12:47 AM
Sunset: 7:12 PM
Daylight: 12 hrs 50 mins
Moon Transit: 9:46 AM
Moonset: 5:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:16 AM - 11:46 AM
Minor Periods
4:56 PM - 6:26 PM1:24 AM - 2:54 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: 12:47 AM
Sunset: 7:10 PM
Daylight: 12 hrs 47 mins
Moon Transit: 10:42 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%
Best Times for Fishing or Hunting
Major Periods
12:11 AM - 2:41 AM10:12 AM - 12:42 AM
Minor Periods
5:28 PM - 6:58 PM2:42 AM - 4:12 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:47 AM
Sunset: 7:10 PM
Daylight: 12 hrs 47 mins
Moon Transit: 10:42 AM
Moonset: 5:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%
Best Times for Fishing or Hunting
Major Periods
12:11 AM - 2:41 AM10:12 AM - 12:42 AM
Minor Periods
5:28 PM - 6:58 PM2:42 AM - 4:12 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 7:09 PM
Daylight: 12 hrs 45 mins
Moon Transit: 11:34 AM
Moonset: 6:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%
Best Times for Fishing or Hunting
Major Periods
1:04 AM - 3:34 AM11:04 AM - 1:34 PM
Minor Periods
5:56 PM - 7:26 PM3:59 AM - 5:29 AM
Action Rating: 3 out of 5
