Water Temperature of the St. Croix River in Calais, ME

Current Water Temperature

37.9°F

Measurement Time: Friday, November 28, 2025, 2:45 PM EST

Temperature Locations

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Local Points of Interest

St. Stephen, NB

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St. Croix River

Station Name: St. Croix River at Milltown, Maine
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 62 feet / 19 meters

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 (74.0 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

30.7°F
Clear
Conditions: Clear
Humidity: 88%
Feels Like: 22.1°F
Wind: WSW 10.1 mph
Wind Gusts: 15.8 mph
Pressure: 29.66 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Fri
H: 43°F
L: 32°F
Overcast
Sat
H: 35°F
L: 26°F
Moderate rain
Sun
H: 41°F
L: 28°F
Heavy rain
Mon
H: 39°F
L: 21°F
Heavy snow
Tue
H: 35°F
L: 20°F

Air Quality

AQI: 1 - Good
PM2.5: 1.34 μg/m3
PM10: 1.34 μg/m3
Carbon Monoxide: 151.84 μg/m3
Nitrogen Dioxide: 2.44 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 11:17 AM
Sunset: 3:50 PM
Daylight: 9 hrs 5 mins
Moonrise: 12:22 AM
Moon Transit: 12:00 AM
Moonset: 11:55 PM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:16 AM - 10:46 AM

Minor Periods

12:00 AM - 12:00 AM
11:52 AM - 1:22 PM

Action Rating: 2 out of 5

Special Weather Statement issued November 28 at 4:51PM EST by NWS Caribou ME

Effective: Fri November 28, 2025, 4:51 PM
Expires: Sat November 29, 2025, 5:00 AM

Snowmelt will continue seeping onto walkways, driveways, and roads as temperatures fall, creating dangerous icy spots. Be extra careful and watch out for areas of ice!


Friday, November 28, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 35.4°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 2.11 μg/m3
PM10: 2.12 μg/m3
Carbon Monoxide: 188.28 μg/m3
Nitrogen Dioxide: 4.08 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 57.04 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 11:17 AM
Sunset: 3:50 PM
Daylight: 9 hrs 5 mins
Moonrise: 12:22 AM
Moon Transit: 12:00 AM
Moonset: 11:55 PM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:16 AM - 10:46 AM

Minor Periods

12:00 AM - 12:00 AM
11:52 AM - 1:22 PM

Action Rating: 2 out of 5

Saturday, November 29, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 31.8°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 13.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 1.28 μg/m3
PM10: 1.28 μg/m3
Carbon Monoxide: 157.92 μg/m3
Nitrogen Dioxide: 2.28 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 71.84 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 11:17 AM
Sunset: 3:49 PM
Daylight: 9 hrs 3 mins
Moonrise: 12:41 AM
Moon Transit: 9:12 PM
Moonset: 12:55 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

8:42 PM - 11:12 PM
8:42 PM - 11:12 PM

Minor Periods

12:11 AM - 1:41 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, November 30, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 34.3°F
Average Humidity: 75%
Chance of Rain: 84%
Wind: 19.5 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 2.96 μg/m3
PM10: 3.94 μg/m3
Carbon Monoxide: 149.48 μg/m3
Nitrogen Dioxide: 2.5 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 74.88 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 11:18 AM
Sunset: 3:49 PM
Daylight: 9 hrs 2 mins
Moonrise: 1:00 PM
Moon Transit: 7:35 PM
Moonset: 1:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

9:49 AM - 12:19 AM
7:05 PM - 9:35 PM

Minor Periods

12:30 AM - 2:00 PM
12:40 AM - 2:10 AM

Action Rating: 2 out of 5

Monday, December 1, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 37.2°F
Average Humidity: 71%
Chance of Rain: 85%
Wind: 18.3 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 3.87 μg/m3
PM10: 5.44 μg/m3
Carbon Monoxide: 142.16 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 80.36 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 11:18 AM
Sunset: 3:48 PM
Daylight: 9 hrs mins
Moonrise: 1:21 PM
Moon Transit: 8:27 PM
Moonset: 2:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

10:38 AM - 1:08 PM
7:57 PM - 10:27 PM

Minor Periods

12:51 AM - 2:21 PM
1:58 AM - 3:28 AM

Action Rating: 2 out of 5

Tuesday, December 2, 2025

Weather Forecast

Conditions: Heavy snow
Average Temperature: 27.9°F
Average Humidity: 75%
Chance of Rain: 63%
Wind: 14.3 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.85 μg/m3
PM10: 2.14 μg/m3
Carbon Monoxide: 150.38 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 76.54 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 11:18 AM
Sunset: 3:48 PM
Daylight: 8 hrs 59 mins
Moonrise: 1:47 PM
Moon Transit: 9:23 PM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

11:33 AM - 2:03 PM
8:53 PM - 11:23 PM

Minor Periods

1:17 PM - 2:47 PM
3:20 AM - 4:50 AM

Action Rating: 2 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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