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

Current Water Temperature

45.0°F

Measurement Time: Sunday, April 20, 2025, 8:45 AM EDT

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

45.3°F
Sunny
Conditions: Sunny
Humidity: 45%
Feels Like: 37.4°F
Wind: WNW 20.4 mph
Wind Gusts: 23.4 mph
Pressure: 29.85 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 4.3

Five Day Weather Forecast

Sunny
Sun
H: 58°F
L: 42°F
Patchy rain nearby
Mon
H: 59°F
L: 34°F
Overcast
Tue
H: 41°F
L: 39°F
Patchy rain nearby
Wed
H: 52°F
L: 40°F
Overcast
Thu
H: 52°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 0.7 μg/m3
PM10: 1.05 μg/m3
Carbon Monoxide: 270.23 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:28 AM
Sunset: 7:22 PM
Daylight: 13 hrs 47 mins
Moonrise: 2:10 AM
Moon Transit: 6:16 AM
Moonset: 10:30 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%

Best Times for Fishing or Hunting

Major Periods

5:46 AM - 8:16 AM
9:21 PM - 11:51 PM

Minor Periods

10:00 AM - 11:30 AM
1:40 AM - 3:10 AM

Action Rating: 3 out of 5

Wind Advisory issued April 20 at 8:26AM EDT until April 20 at 6:00PM EDT by NWS Caribou ME

Effective: Sun April 20, 2025, 8:26 AM
Expires: Sun April 20, 2025, 4:30 PM

* WHAT...Northwest winds 15 to 30 mph with gusts up to 55 mph expected. * WHERE...Portions of Central Highlands, Coastal DownEast, Far Eastern, Far Northern, Interior DownEast, North Woods, and Penobscot Valley Maine * WHEN...Until 6 PM EDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and result in a few power outages. * ADDITIONAL DETAILS...The strongest wind gusts will be across the higher terrain of the Moosehead Region to Aroostook County including Baxter State Park.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Special Weather Statement issued April 20 at 8:19AM EDT by NWS Caribou ME

Effective: Sun April 20, 2025, 8:19 AM
Expires: Sun April 20, 2025, 6:15 PM

A very dry air mass over the area and strong gusty northwest winds will combine with dead and dry fuels such as grass, leaves, and twigs to create the potential for uncontrolled fire spread across the Greater Bangor Region and Downeast Maine today. This afternoon, relative humidities will decrease to low levels between 25 to 30 percent. At the same time, winds between 15 to 25 mph with frequent gusts up to 50 mph will continue to dry fuels and increase fire spread potential. Wind gusts are expected to diminish later this evening with increasing relative humidity values. Extra caution should be taken to prevent wildfires. Always consult with fire officials before engaging in any open burning activities and comply with all applicable laws and regulations. Never leave an open fire unattended and always extinguish campfires completely before leaving.


Sunday, April 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 50°F
Average Humidity: 56%
Chance of Rain: 0%
Wind: 24.4 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 5.78 μg/m3
PM10: 6.39 μg/m3
Carbon Monoxide: 307.33 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 93.4 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:28 AM
Sunset: 7:22 PM
Daylight: 13 hrs 47 mins
Moonrise: 2:10 AM
Moon Transit: 6:16 AM
Moonset: 10:30 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%

Best Times for Fishing or Hunting

Major Periods

5:46 AM - 8:16 AM
9:21 PM - 11:51 PM

Minor Periods

10:00 AM - 11:30 AM
1:40 AM - 3:10 AM

Action Rating: 3 out of 5

Monday, April 21, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 46°F
Average Humidity: 47%
Chance of Rain: 75%
Wind: 14.5 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 0.68 μg/m3
PM10: 0.93 μg/m3
Carbon Monoxide: 276.23 μg/m3
Nitrogen Dioxide: 0.72 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:27 AM
Sunset: 7:23 PM
Daylight: 13 hrs 50 mins
Moonrise: 2:44 AM
Moon Transit: 7:09 AM
Moonset: 11:43 AM
Moon Phase: Last Quarter
Moon Illumination: 27.2%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
12:00 AM - 12:00 AM

Minor Periods

11:13 AM - 12:43 AM
2:14 AM - 3:44 AM

Action Rating: 2 out of 5

Tuesday, April 22, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 40.8°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 5.47 μg/m3
PM10: 7.79 μg/m3
Carbon Monoxide: 272.67 μg/m3
Nitrogen Dioxide: 1.19 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 79.56 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:27 AM
Sunset: 7:24 PM
Daylight: 13 hrs 52 mins
Moonrise: 3:11 AM
Moon Transit: 8:00 AM
Moonset: 1:00 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
12:00 AM - 12:00 AM

Minor Periods

12:30 AM - 2:00 PM
2:41 AM - 4:11 AM

Action Rating: 2 out of 5

Wednesday, April 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 43.9°F
Average Humidity: 75%
Chance of Rain: 78%
Wind: 8.7 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 3.81 μg/m3
PM10: 4.62 μg/m3
Carbon Monoxide: 281.67 μg/m3
Nitrogen Dioxide: 1.76 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 80.16 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:27 AM
Sunset: 7:25 PM
Daylight: 13 hrs 55 mins
Moonrise: 3:34 AM
Moon Transit: 8:50 AM
Moonset: 2:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%

Best Times for Fishing or Hunting

Major Periods

8:20 AM - 10:50 AM
12:00 AM - 12:00 AM

Minor Periods

1:48 PM - 3:18 PM
3:04 AM - 4:34 AM

Action Rating: 2 out of 5

Thursday, April 24, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 43.2°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 1.39 μg/m3
PM10: 1.39 μg/m3
Carbon Monoxide: 301.48 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 69.08 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:27 AM
Sunset: 7:27 PM
Daylight: 13 hrs 58 mins
Moonrise: 3:55 AM
Moon Transit: 9:39 AM
Moonset: 3:37 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:09 AM - 11:39 AM

Minor Periods

3:07 PM - 4:37 PM
3:25 AM - 4:55 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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