Water Temperature of the St. Croix River in Calais, ME
Current Water Temperature
32.0°F
Measurement Time: Tuesday, January 20, 2026, 9:45 PM EST
Temperature Locations
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Local Points of Interest
St. Stephen, NBSt. Croix River
Station Name: St. Croix River at Milltown, Maine
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 62 feet
Nearest Address:
531 North St
Calais, ME 04619
Washington County
GPS Coordinates: 45.17, -67.2966667
Nearby Water Temperatures
Lewy Lake, Princeton, ME (14.2 mi)Grand Lake Stream, Grand Lake Stream, ME (23.5 mi)
Gulf of Maine, Eastport, ME (23.9 mi)
Narraguagus River, Cherryfield, ME (49.8 mi)
Penobscot River, Eddington, ME (72.4 mi)
Meduxnekeag River, Houlton, ME (74 mi)
Piscataquis River, Guilford, ME (98.3 mi)
Ducktrap River, Lincolnville, ME (104.2 mi)
Sheepscot River, Whitefield, ME (130.4 mi)
Gulf of Maine, Monhegan, ME (142.9 mi)
Allagash River, Allagash, ME (156.6 mi)
St. John River, Saint Francis, ME (157.1 mi)
Gulf of Maine, Portland, ME (179.1 mi)
Gulf of Maine, Cape Elizabeth, ME (180.7 mi)
Wild River, Gilead, ME (188.5 mi)
Weather for Calais, Maine
Current Weather
-6.7°F

Clear
-23.3°F
7.9°F
84%
WSW 8.9 mph
12.9 mph
-1.9°F
-2.7°F
0 in
0%
6 mi
1026 mbar
0
Five Day Weather Forecast

Wed
H: 27°F
L: 7°F

Thu
H: 36°F
L: 23°F

Fri
H: 27°F
L: 16°F

Sat
H: 3°F
L: -5°F

Sun
H: 7°F
L: -4°F
Air Quality
AQI:
1 - Good
PM2.5:
4.14 μg/m3
PM10:
4.14 μg/m3
Carbon Monoxide: 185.84 μg/m3
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 69 μg/m3
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 69 μg/m3
Astronomical
Sunrise: 7:00 AM
Sun Transit: 11:40 AM
Sunset: 4:22 PM
Daylight: 9 hrs 21 mins
Sun Transit: 11:40 AM
Sunset: 4:22 PM
Daylight: 9 hrs 21 mins
Moonrise: 8:33 AM
Moon Transit: 1:58 PM
Moonset: 7:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%
Moon Transit: 1:58 PM
Moonset: 7:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%
Best Times for Fishing or Hunting
Major Periods
4:13 AM - 6:43 AM1:28 PM - 3:58 PM
Minor Periods
7:05 PM - 8:35 PM8:03 AM - 9:33 AM
Action Rating: 4 out of 5
Wednesday, January 21, 2026
Weather Forecast
Sunny
27°F
7.2°F
16.6°F
60%
0 in
0%
0%
10.7 mph
0.2
Air Quality
AQI:
1 - Good
PM2.5:
2.95 μg/m3
PM10:
3.12 μg/m3
Carbon Monoxide: 179.88 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 73.68 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 73.68 μg/m3
Astronomical
Sunrise: 7:00 AM
Sun Transit: 11:40 AM
Sunset: 4:22 PM
Daylight: 9 hrs 21 mins
Sun Transit: 11:40 AM
Sunset: 4:22 PM
Daylight: 9 hrs 21 mins
Moonrise: 8:33 AM
Moon Transit: 1:58 PM
Moonset: 7:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%
Moon Transit: 1:58 PM
Moonset: 7:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%
Best Times for Fishing or Hunting
Major Periods
4:13 AM - 6:43 AM1:28 PM - 3:58 PM
Minor Periods
7:05 PM - 8:35 PM8:03 AM - 9:33 AM
Action Rating: 4 out of 5
Thursday, January 22, 2026
Weather Forecast
Moderate or heavy snow showers
35.8°F
23.2°F
31.5°F
83%
0.42 in
85%
21%
11 mph
0.2
Air Quality
AQI:
1 - Good
PM2.5:
5.88 μg/m3
PM10:
7.31 μg/m3
Carbon Monoxide: 183.56 μg/m3
Nitrogen Dioxide: 5.32 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 75.36 μg/m3
Nitrogen Dioxide: 5.32 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 75.36 μg/m3
Astronomical
Sunrise: 6:59 AM
Sun Transit: 11:40 AM
Sunset: 4:23 PM
Daylight: 9 hrs 23 mins
Sun Transit: 11:40 AM
Sunset: 4:23 PM
Daylight: 9 hrs 23 mins
Moonrise: 8:51 AM
Moon Transit: 2:42 PM
Moonset: 8:47 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Moon Transit: 2:42 PM
Moonset: 8:47 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Best Times for Fishing or Hunting
Major Periods
4:57 AM - 7:27 AM2:12 PM - 4:42 PM
Minor Periods
8:17 PM - 9:47 PM8:21 AM - 9:51 AM
Action Rating: 4 out of 5
Friday, January 23, 2026
Weather Forecast
Sunny
26.8°F
16.3°F
24.2°F
48%
0 in
0%
0%
13.9 mph
0.2
Air Quality
AQI:
1 - Good
PM2.5:
3.25 μg/m3
PM10:
3.29 μg/m3
Carbon Monoxide: 174.72 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 72.72 μg/m3
Nitrogen Dioxide: 3.8 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 72.72 μg/m3
Astronomical
Sunrise: 6:59 AM
Sun Transit: 11:41 AM
Sunset: 4:24 PM
Daylight: 9 hrs 26 mins
Sun Transit: 11:41 AM
Sunset: 4:24 PM
Daylight: 9 hrs 26 mins
Moonrise: 9:09 AM
Moon Transit: 9:54 AM
Moonset: 10:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Moon Transit: 9:54 AM
Moonset: 10:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Best Times for Fishing or Hunting
Major Periods
9:24 AM - 11:54 AM9:24 AM - 11:54 AM
Minor Periods
9:30 PM - 11:00 PM8:39 AM - 10:09 AM
Action Rating: 2 out of 5
Saturday, January 24, 2026
Weather Forecast
Sunny
3.3°F
-4.9°F
0.8°F
61%
0 in
0%
0%
15.7 mph
0.3
Air Quality
AQI:
1 - Good
PM2.5:
1.88 μg/m3
PM10:
1.97 μg/m3
Carbon Monoxide: 156.37 μg/m3
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 71.88 μg/m3
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 71.88 μg/m3
Astronomical
Sunrise: 6:58 AM
Sun Transit: 11:41 AM
Sunset: 4:26 PM
Daylight: 9 hrs 28 mins
Sun Transit: 11:41 AM
Sunset: 4:26 PM
Daylight: 9 hrs 28 mins
Moonrise: 9:28 AM
Moon Transit: 4:13 PM
Moonset: 11:15 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Moon Transit: 4:13 PM
Moonset: 11:15 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:43 PM - 6:13 PM
Minor Periods
12:00 AM - 12:00 AM8:58 AM - 10:28 AM
Action Rating: 2 out of 5
Sunday, January 25, 2026
Weather Forecast
Sunny
7.3°F
-4°F
0.1°F
68%
0 in
0%
0%
9.2 mph
0
Air Quality
AQI:
1 - Good
PM2.5:
1.83 μg/m3
PM10:
1.97 μg/m3
Carbon Monoxide: 165.04 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 66.85 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 66.85 μg/m3
Astronomical
Sunrise: 6:57 AM
Sun Transit: 11:41 AM
Sunset: 4:27 PM
Daylight: 9 hrs 30 mins
Sun Transit: 11:41 AM
Sunset: 4:27 PM
Daylight: 9 hrs 30 mins
Moonrise: 9:49 AM
Moon Transit: 5:02 PM
Moonset: 12:15 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Moon Transit: 5:02 PM
Moonset: 12:15 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
7:15 AM - 9:45 AM4:32 PM - 7:02 PM
Minor Periods
9:19 AM - 10:49 AM12:00 AM - 12:00 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.
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