Water Temperature of the Connecticut River in Old Lyme, CT

Current Water Temperature

32.5°F

Measurement Time: Saturday, February 14, 2026, 2:45 AM EST

Temperature Locations

View Nearby Locations     View All Connecticut Locations     View Locations Near Me

Local Points of Interest

Ferry Landing State Park

Connecticut River

Station 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

29.1°F
Overcast
Overcast
20.7°F
27.7°F
54%
W 8.9 mph
13.2 mph
21.7°F
20.9°F
0 in
100%
9 mi
1018 mbar
0.4

Five Day Weather Forecast

Sunny
Sat
H: 44°F
L: 22°F
Partly Cloudy
Sun
H: 34°F
L: 26°F
Overcast
Mon
H: 37°F
L: 29°F
Partly Cloudy
Tue
H: 41°F
L: 29°F
Patchy moderate snow
Wed
H: 37°F
L: 30°F

Air Quality

AQI: 2 - Moderate
PM2.5: 26.45 μg/m3
PM10: 27.15 μg/m3
Carbon Monoxide: 258.85 μg/m3
Nitrogen Dioxide: 27.45 μg/m3
Sulphur Dioxide: 7.95 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:03 AM
Sunset: 5:22 PM
Daylight: 10 hrs 36 mins
Moonrise: 5:21 AM
Moon Transit: 9:48 AM
Moonset: 2:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:18 AM - 11:48 AM

Minor Periods

1:51 PM - 3:21 PM
4:51 AM - 6:21 AM

Action Rating: 3 out of 5

Saturday, February 14, 2026

Weather Forecast

Sunny
43.7°F
22.1°F
32.7°F
63%
0 in
0%
0%
9.8 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 21.34 μg/m3
PM10: 21.91 μg/m3
Carbon Monoxide: 283.17 μg/m3
Nitrogen Dioxide: 33.65 μg/m3
Sulphur Dioxide: 4.6 μg/m3
Ozone: 51.16 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:03 AM
Sunset: 5:22 PM
Daylight: 10 hrs 36 mins
Moonrise: 5:21 AM
Moon Transit: 9:48 AM
Moonset: 2:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:18 AM - 11:48 AM

Minor Periods

1:51 PM - 3:21 PM
4:51 AM - 6:21 AM

Action Rating: 3 out of 5

Sunday, February 15, 2026

Weather Forecast

Partly Cloudy
34°F
25.8°F
30.1°F
66%
0 in
0%
0%
9.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 13.25 μg/m3
PM10: 13.65 μg/m3
Carbon Monoxide: 228.25 μg/m3
Nitrogen Dioxide: 19.98 μg/m3
Sulphur Dioxide: 2.92 μg/m3
Ozone: 59.52 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:03 AM
Sunset: 5:23 PM
Daylight: 10 hrs 39 mins
Moonrise: 5:56 AM
Moon Transit: 10:38 AM
Moonset: 3:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:10 AM - 2:40 AM
10:08 AM - 12:38 AM

Minor Periods

2:58 PM - 4:28 PM
5:26 AM - 6:56 AM

Action Rating: 3 out of 5

Monday, February 16, 2026

Weather Forecast

Overcast
36.7°F
28.9°F
33°F
80%
0 in
0%
0%
7.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.41 μg/m3
PM10: 8.42 μg/m3
Carbon Monoxide: 229.53 μg/m3
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 82.56 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:03 AM
Sunset: 5:24 PM
Daylight: 10 hrs 41 mins
Moonrise: 6:26 AM
Moon Transit: 11:27 AM
Moonset: 4:38 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
10:57 AM - 1:27 PM

Minor Periods

4:08 PM - 5:38 PM
5:56 AM - 7:26 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Partly Cloudy
41.2°F
29.3°F
35°F
91%
0 in
0%
0%
10.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 10.86 μg/m3
PM10: 13.87 μg/m3
Carbon Monoxide: 257.2 μg/m3
Nitrogen Dioxide: 14.64 μg/m3
Sulphur Dioxide: 2.73 μg/m3
Ozone: 66.8 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:03 AM
Sunset: 5:26 PM
Daylight: 10 hrs 44 mins
Moonrise: 6:51 AM
Moon Transit: 12:14 AM
Moonset: 5:48 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:46 AM - 4:16 AM
11:44 AM - 2:14 PM

Minor Periods

5:18 PM - 6:48 PM
6:21 AM - 7:51 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Patchy moderate snow
36.5°F
30.3°F
33.7°F
87%
0.03 in
80%
0%
10.3 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 19.76 μg/m3
PM10: 21.72 μg/m3
Carbon Monoxide: 334.1 μg/m3
Nitrogen Dioxide: 52.77 μg/m3
Sulphur Dioxide: 5.64 μg/m3
Ozone: 27.54 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:03 AM
Sunset: 5:27 PM
Daylight: 10 hrs 47 mins
Moonrise: 7:14 AM
Moon Transit: 12:00 AM
Moonset: 6:58 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:33 AM - 5:03 AM

Minor Periods

6:28 PM - 7:58 PM
6:44 AM - 8:14 AM

Action Rating: 4 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.

Webcams Near Old Lyme, CT

Sponsored Content