Water Temperature of the St. Croix River in Calais, ME
Current Water Temperature
Measurement Time: Sunday, May 31, 2026, 3:45 PM EDT
Temperature Locations
View Nearby Locations View All Maine Locations View Locations Near Me
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: 63°F
L: 38°F

Mon
H: 63°F
L: 36°F

Tue
H: 71°F
L: 40°F

Wed
H: 77°F
L: 47°F

Thu
H: 79°F
L: 50°F
Air Quality
Nitrogen Dioxide: 1.64 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 12:26 AM
Sunset: 8:09 PM
Daylight: 15 hrs 23 mins
Moon Transit: 12:14 AM
Moonset: 4:20 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:17 PM - 5:47 PM
Minor Periods
8:36 PM - 10:06 PM3:50 AM - 5:20 AM
Action Rating: 4 out of 5
yellow advisory - frost - in effect
Service Notice – April 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For Spring 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for June 2026 deployment. Data changes will appear in CAP following this deployment, 2) marine alerts will now be issued for smaller zone splits in certain areas of Atlantic and Pacific waters and 3) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – avril 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour le printemps 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement en juin 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement, 2) les alertes marines seront désormais émises pour des subdivisions de zones plus petites dans certaines régions des eaux de l’Atlantique et du Pacifique et 3) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/
Effective: Sun May 31, 2026, 2:47 PM
Expires: Mon June 1, 2026, 6:47 AM
Conditions are favourable for the development of frost tonight. Locations: all of New Brunswick. Minimum temperatures: near zero in low lying areas. Time span: overnight tonight into Monday morning. ### Frost advisories are issued when widespread frost or freezing temperatures are expected during the growing season. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NBstorm@ec.gc.ca or post reports on X using #NBStorm.
Take preventative measures to protect cold-sensitive plants, trees, and crops.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 80.67 μg/m3
Astronomical
Sun Transit: 12:26 AM
Sunset: 8:09 PM
Daylight: 15 hrs 23 mins
Moon Transit: 12:14 AM
Moonset: 4:20 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:17 PM - 5:47 PM
Minor Periods
8:36 PM - 10:06 PM3:50 AM - 5:20 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0.98 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 78.96 μg/m3
Astronomical
Sun Transit: 12:27 AM
Sunset: 8:10 PM
Daylight: 15 hrs 24 mins
Moon Transit: 1:05 AM
Moonset: 5:03 AM
Moon Phase: Full
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
12:35 AM - 3:05 AM4:09 PM - 6:39 PM
Minor Periods
9:28 PM - 10:58 PM4:33 AM - 6:03 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.04 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 76.83 μg/m3
Astronomical
Sun Transit: 12:27 AM
Sunset: 8:11 PM
Daylight: 15 hrs 26 mins
Moon Transit: 1:56 AM
Moonset: 5:57 AM
Moon Phase: Full
Moon Illumination: 91.7%
Best Times for Fishing or Hunting
Major Periods
1:26 AM - 3:56 AM5:00 PM - 7:30 PM
Minor Periods
10:12 PM - 11:42 PM5:27 AM - 6:57 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.26 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 74.25 μg/m3
Astronomical
Sun Transit: 12:27 AM
Sunset: 8:11 PM
Daylight: 15 hrs 27 mins
Moon Transit: 2:47 AM
Moonset: 6:57 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.4%
Best Times for Fishing or Hunting
Major Periods
2:17 AM - 4:47 AM5:50 PM - 8:20 PM
Minor Periods
12:00 AM - 12:00 AM6:27 AM - 7:57 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 71.22 μg/m3
Astronomical
Sun Transit: 12:27 AM
Sunset: 8:12 PM
Daylight: 15 hrs 28 mins
Moon Transit: 3:36 AM
Moonset: 8:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.3%
Best Times for Fishing or Hunting
Major Periods
3:06 AM - 5:36 AM6:37 PM - 9:07 PM
Minor Periods
7:33 AM - 9:03 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
