Water Temperature of the Connecticut River in Old Lyme, CT
Current Water Temperature
Measurement Time: Wednesday, September 2, 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
74°F - Mostly Cloudy
Tonight
63°F - Mostly Cloudy then Showers And Thunderstorms Likely
Thursday
81°F - Showers And Thunderstorms Likely
Thursday Night
65°F - Showers And Thunderstorms Likely
Friday
83°F - Sunny
Friday Night
60°F - Mostly Clear
Saturday
77°F - Sunny then Slight Chance Rain Showers
Saturday Night
56°F - Slight Chance Rain Showers then Partly Cloudy
Sunday
73°F - Sunny
Sunday Night
56°F - Mostly Clear
Labor Day
76°F - Sunny
Monday Night
60°F - Partly Cloudy
Tuesday
77°F - Mostly Sunny then Slight Chance Rain Showers
Tuesday Night
61°F - Slight Chance Rain Showers
Astronomical
Sun Transit: 12:49 AM
Sunset: 7:20 PM
Daylight: 13 hrs 3 mins
Moon Transit: 4:43 AM
Moonset: 12:25 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%
Best Times for Fishing or Hunting
Major Periods
4:13 AM - 6:43 AM7:08 PM - 9:38 PM
Minor Periods
9:21 PM - 10:51 PM11:55 AM - 1:25 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: 12:49 AM
Sunset: 7:20 PM
Daylight: 13 hrs 3 mins
Moon Transit: 4:43 AM
Moonset: 12:25 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%
Best Times for Fishing or Hunting
Major Periods
4:13 AM - 6:43 AM7:08 PM - 9:38 PM
Minor Periods
9:21 PM - 10:51 PM11:55 AM - 1:25 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: 12:49 AM
Sunset: 7:20 PM
Daylight: 13 hrs 3 mins
Moon Transit: 4:43 AM
Moonset: 12:25 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%
Best Times for Fishing or Hunting
Major Periods
4:13 AM - 6:43 AM7:08 PM - 9:38 PM
Minor Periods
9:21 PM - 10:51 PM11:55 AM - 1:25 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: 12:48 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
