Water Temperature of the St. Croix River in Calais, ME
Current Water Temperature
Measurement Time: Sunday, June 14, 2026, 4:45 PM EDT
Temperature Locations
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Local Points of Interest
St. Stephen, NBStation 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

Five Day Weather Forecast

Sun
H: 75°F
L: 55°F

Mon
H: 63°F
L: 53°F

Tue
H: 75°F
L: 48°F

Wed
H: 75°F
L: 50°F

Thu
H: 60°F
L: 48°F
Air Quality
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 99 μg/m3
Astronomical
Sun Transit: 12:29 AM
Sunset: 8:18 PM
Daylight: 15 hrs 37 mins
Moon Transit: 11:58 AM
Moonset: 8:30 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
2:05 AM - 4:35 AM11:28 AM - 1:58 PM
Minor Periods
8:00 PM - 9:30 PM3:03 AM - 4:33 AM
Action Rating: 6 out of 5
Flood Watch issued June 14 at 1:07PM EDT until June 15 at 8:00AM EDT by NWS Caribou ME
Effective: Sun June 14, 2026, 1:07 PM
Expires: Sun June 14, 2026, 11:15 PM
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Far Eastern and Penobscot Valley Maine, including the following areas, in Far Eastern Maine, Northern Washington. In Penobscot Valley Maine, Central Penobscot. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Locally heavy rainfall of 1 to 3 inches is likely in a 1-3 hour timeframe, with isolated amounts of between 2 and 4 inches possible. This may cause flash flooding, especially if it falls over areas that recently received heavy rainfall. - For flood safety visit www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.82 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 85.92 μg/m3
Astronomical
Sun Transit: 12:29 AM
Sunset: 8:18 PM
Daylight: 15 hrs 37 mins
Moon Transit: 11:58 AM
Moonset: 8:30 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
2:05 AM - 4:35 AM11:28 AM - 1:58 PM
Minor Periods
8:00 PM - 9:30 PM3:03 AM - 4:33 AM
Action Rating: 6 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 89.08 μg/m3
Astronomical
Sun Transit: 12:29 AM
Sunset: 8:19 PM
Daylight: 15 hrs 37 mins
Moon Transit: 1:06 PM
Moonset: 9:33 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
3:13 AM - 5:43 AM12:36 AM - 3:06 PM
Minor Periods
9:03 PM - 10:33 PM4:06 AM - 5:36 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.91 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 59.5 μg/m3
Astronomical
Sun Transit: 12:29 AM
Sunset: 8:19 PM
Daylight: 15 hrs 38 mins
Moon Transit: 2:12 PM
Moonset: 10:21 PM
Moon Phase: New
Moon Illumination: 1.0%
Best Times for Fishing or Hunting
Major Periods
4:20 AM - 6:50 AM1:42 PM - 4:12 PM
Minor Periods
9:51 PM - 11:21 PM5:22 AM - 6:52 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.97 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 72.17 μg/m3
Astronomical
Sun Transit: 12:30 AM
Sunset: 8:19 PM
Daylight: 15 hrs 38 mins
Moon Transit: 3:13 PM
Moonset: 10:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%
Best Times for Fishing or Hunting
Major Periods
5:23 AM - 7:53 AM2:43 PM - 5:13 PM
Minor Periods
10:26 PM - 11:56 PM6:45 AM - 8:15 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.44 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 57.33 μg/m3
Astronomical
Sun Transit: 12:30 AM
Sunset: 8:20 PM
Daylight: 15 hrs 38 mins
Moon Transit: 4:08 PM
Moonset: 11:23 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%
Best Times for Fishing or Hunting
Major Periods
6:20 AM - 8:50 AM3:38 PM - 6:08 PM
Minor Periods
12:00 AM - 12:00 AM8:08 AM - 9:38 AM
Action Rating: 2 out of 5
