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

Current Water Temperature

32.0°F

Measurement Time: Thursday, May 21, 2026, 9:30 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

30.9°F
Clear
Clear
27.6°F
35.6°F
80%
W 3.4 mph
7 mph
31.8°F
18.5°F
0 in
0%
6 mi
1028 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 58°F
L: 31°F
Sunny
Sat
H: 63°F
L: 33°F
Sunny
Sun
H: 67°F
L: 39°F
Moderate rain
Mon
H: 49°F
L: 43°F
Patchy rain nearby
Tue
H: 70°F
L: 45°F

Air Quality

PM2.5: 4.45 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 111.75 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 4:57 AM
Sun Transit: 12:35 AM
Sunset: 8:15 PM
Daylight: 15 hrs 18 mins
Moonrise: 11:05 AM
Moon Transit: 6:27 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

8:21 AM - 10:51 AM
5:57 PM - 8:27 PM

Minor Periods

10:35 AM - 12:05 AM
12:42 AM - 2:12 AM

Action Rating: 3 out of 5

Frost Advisory issued May 21 at 1:08PM EDT until May 22 at 7:00AM EDT by NWS Caribou ME

Effective: Thu May 21, 2026, 1:08 PM
Expires: Fri May 22, 2026, 4:15 AM

* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Central Piscataquis, Northern Penobscot, Southeast Aroostook, and Northeast Aroostook Counties. * WHEN...From midnight tonight to 7 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.
Friday, May 22, 2026

Weather Forecast

Sunny
58.2°F
31.3°F
44.8°F
52%
0 in
0%
0%
12.5 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 5.22 μg/m3
PM10: 6.01 μg/m3
Carbon Monoxide: 117.39 μg/m3
Nitrogen Dioxide: 1.57 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 75.76 μg/m3

Astronomical

Sunrise: 4:57 AM
Sun Transit: 12:35 AM
Sunset: 8:15 PM
Daylight: 15 hrs 18 mins
Moonrise: 11:05 AM
Moon Transit: 6:27 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

8:21 AM - 10:51 AM
5:57 PM - 8:27 PM

Minor Periods

10:35 AM - 12:05 AM
12:42 AM - 2:12 AM

Action Rating: 3 out of 5

Saturday, May 23, 2026

Weather Forecast

Sunny
63.2°F
32.6°F
48.9°F
54%
0 in
0%
0%
4.3 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 3.68 μg/m3
Carbon Monoxide: 117.55 μg/m3
Nitrogen Dioxide: 1.23 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 76.48 μg/m3

Astronomical

Sunrise: 4:56 AM
Sun Transit: 12:35 AM
Sunset: 8:16 PM
Daylight: 15 hrs 20 mins
Moonrise: 12:22 AM
Moon Transit: 7:14 PM
Moonset: 1:34 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

9:09 AM - 11:39 AM
6:44 PM - 9:14 PM

Minor Periods

11:52 AM - 1:22 PM
1:04 AM - 2:34 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Sunny
66.7°F
39.4°F
53.1°F
57%
0 in
0%
0%
10.5 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 1.96 μg/m3
PM10: 2.11 μg/m3
Carbon Monoxide: 114.91 μg/m3
Nitrogen Dioxide: 0.97 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 65.16 μg/m3

Astronomical

Sunrise: 4:55 AM
Sun Transit: 12:35 AM
Sunset: 8:17 PM
Daylight: 15 hrs 22 mins
Moonrise: 1:33 PM
Moon Transit: 7:57 PM
Moonset: 1:52 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

9:53 AM - 12:23 AM
7:27 PM - 9:57 PM

Minor Periods

1:03 PM - 2:33 PM
1:22 AM - 2:52 AM

Action Rating: 2 out of 5

Monday, May 25, 2026

Weather Forecast

Moderate rain
48.9°F
43°F
45.6°F
90%
0.31 in
89%
0%
8.7 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 4.3 μg/m3
Carbon Monoxide: 120.88 μg/m3
Nitrogen Dioxide: 1.03 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 4:54 AM
Sun Transit: 12:35 AM
Sunset: 8:19 PM
Daylight: 15 hrs 24 mins
Moonrise: 2:43 PM
Moon Transit: 8:39 PM
Moonset: 2:08 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

10:35 AM - 1:05 PM
8:09 PM - 10:39 PM

Minor Periods

2:13 PM - 3:43 PM
1:38 AM - 3:08 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Patchy rain nearby
70°F
45.1°F
55.1°F
78%
0.01 in
55%
0%
9.2 mph
1.3


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 4:53 AM
Sun Transit: 12:35 AM
Sunset: 8:20 PM
Daylight: 15 hrs 26 mins
Moonrise: 3:52 PM
Moon Transit: 9:21 PM
Moonset: 2:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

11:17 AM - 1:47 PM
8:51 PM - 11:21 PM

Minor Periods

3:22 PM - 4:52 PM
1:54 AM - 3:24 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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