Water Temperature of the St. John River in Saint Francis, ME

Current Water Temperature

32.0°F

Measurement Time: Tuesday, July 14, 2026, 1:31 PM EDT

Temperature Locations

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Local Points of Interest

Ninemile Bridge; Ninemile Brook

St. John River

Station Name: St. John River at Ninemile Bridge, Maine
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 929 feet

Nearest Address:
Realty Rd
Saint Francis, ME 04478
Aroostook County

GPS Coordinates: 46.70055556, -69.7155556

Nearby Water Temperatures

Allagash River, Allagash, ME (39.4 mi)
Meduxnekeag River, Houlton, ME (97.8 mi)
Piscataquis River, Guilford, ME (107.1 mi)
Penobscot River, Eddington, ME (138.5 mi)
Grand Lake Stream, Grand Lake Stream, ME (140.3 mi)
Lewy Lake, Princeton, ME (144.7 mi)
St. Croix River, Calais, ME (157.1 mi)
Ducktrap River, Lincolnville, ME (166.9 mi)
Narraguagus River, Cherryfield, ME (168.2 mi)
Wild River, Gilead, ME (170.9 mi)
Sheepscot River, Whitefield, ME (171.3 mi)
Gulf of Maine, Eastport, ME (180.9 mi)
Gulf of Maine, Monhegan, ME (207 mi)
Lake Champlain, Rouses Point, NY (211.2 mi)
Gulf of Maine, Portland, ME (211.8 mi)

Weather for Saint Francis, Maine

Current Weather

73.2°F
Sunny
Sunny
77°F
83.2°F
75%
WSW 9.6 mph
11.8 mph
79°F
71.1°F
0 in
0%
5 mi
1004 mbar
1.6

Five Day Weather Forecast

Sunny
Tue
H: 79°F
L: 58°F
Sunny
Wed
H: 77°F
L: 57°F
Sunny
Thu
H: 67°F
L: 51°F
Sunny
Fri
H: 72°F
L: 45°F
Sunny
Sat
H: 75°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 5 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 141 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 104 μg/m3

Astronomical

Sunrise: 4:59 AM
Sun Transit: 12:44 AM
Sunset: 8:30 PM
Daylight: 15 hrs 31 mins
Moonrise: 4:47 AM
Moon Transit: 1:05 PM
Moonset: 9:07 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
12:35 AM - 3:05 PM

Minor Periods

8:37 PM - 10:07 PM
4:17 AM - 5:47 AM

Action Rating: 5 out of 5

Heat Advisory issued July 14 at 5:38AM EDT until July 14 at 8:00PM EDT by NWS Caribou ME

Effective: Tue July 14, 2026, 5:38 AM
Expires: Tue July 14, 2026, 8:00 PM

* WHAT...Heat index values 95 to 99 expected. * WHERE...Southern Piscataquis, Central Penobscot, and Southern Penobscot Counties. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Tuesday, July 14, 2026

Weather Forecast

Sunny
79.2°F
58.1°F
67.6°F
85%
0.42 in
80%
0%
13 mph
4.9


Air Quality

AQI: 1 - Good
PM2.5: 7.52 μg/m3
PM10: 7.67 μg/m3
Carbon Monoxide: 130.13 μg/m3
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 87.79 μg/m3

Astronomical

Sunrise: 4:59 AM
Sun Transit: 12:44 AM
Sunset: 8:30 PM
Daylight: 15 hrs 31 mins
Moonrise: 4:47 AM
Moon Transit: 1:05 PM
Moonset: 9:07 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
12:35 AM - 3:05 PM

Minor Periods

8:37 PM - 10:07 PM
4:17 AM - 5:47 AM

Action Rating: 5 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
76.8°F
56.8°F
66.9°F
62%
0 in
6%
0%
17.2 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 4.56 μg/m3
PM10: 4.67 μg/m3
Carbon Monoxide: 111.33 μg/m3
Nitrogen Dioxide: 0.93 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 76.42 μg/m3

Astronomical

Sunrise: 5:00 AM
Sun Transit: 12:44 AM
Sunset: 8:29 PM
Daylight: 15 hrs 29 mins
Moonrise: 6:14 AM
Moon Transit: 2:04 PM
Moonset: 9:36 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
1:34 PM - 4:04 PM

Minor Periods

9:06 PM - 10:36 PM
5:44 AM - 7:14 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
67°F
51°F
60.4°F
57%
0.08 in
57%
0%
16.8 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 3.72 μg/m3
PM10: 3.85 μg/m3
Carbon Monoxide: 113 μg/m3
Nitrogen Dioxide: 0.69 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 74.67 μg/m3

Astronomical

Sunrise: 5:01 AM
Sun Transit: 12:45 AM
Sunset: 8:28 PM
Daylight: 15 hrs 27 mins
Moonrise: 7:38 AM
Moon Transit: 2:57 PM
Moonset: 9:58 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
2:27 PM - 4:57 PM

Minor Periods

9:28 PM - 10:58 PM
7:08 AM - 8:38 AM

Action Rating: 4 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
71.6°F
45.2°F
58.1°F
59%
0 in
5%
0%
13.4 mph
3.6


Air Quality

AQI: 1 - Good
PM2.5: 2.19 μg/m3
PM10: 2.28 μg/m3
Carbon Monoxide: 108.35 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 63.63 μg/m3

Astronomical

Sunrise: 5:02 AM
Sun Transit: 12:45 AM
Sunset: 8:28 PM
Daylight: 15 hrs 25 mins
Moonrise: 8:59 AM
Moon Transit: 3:46 PM
Moonset: 10:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
3:16 PM - 5:46 PM

Minor Periods

9:47 PM - 11:17 PM
8:29 AM - 9:59 AM

Action Rating: 2 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
75°F
49.6°F
62.6°F
66%
0 in
6%
0%
10.1 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 1.91 μg/m3
PM10: 1.97 μg/m3
Carbon Monoxide: 143 μg/m3
Nitrogen Dioxide: 2.16 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 56.33 μg/m3

Astronomical

Sunrise: 5:03 AM
Sun Transit: 12:45 AM
Sunset: 8:27 PM
Daylight: 15 hrs 23 mins
Moonrise: 10:15 AM
Moon Transit: 4:31 PM
Moonset: 10:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
4:01 PM - 6:31 PM

Minor Periods

10:04 PM - 11:34 PM
9:45 AM - 11:15 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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