Water Temperature of the Au Sable River in South Branch, MI

Current Water Temperature

75.9°F

Measurement Time: Sunday, July 12, 2026, 11:45 PM EDT

Temperature Locations

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Local Points of Interest

Loud Dam Pond

Au Sable River

Station Name: AU SABLE RIVER NEAR SOUTH BRANCH, MI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 722 feet

Nearest Address:
4980 Loud Dam Rd
South Branch, MI 48737
Iosco County

GPS Coordinates: 44.46334886, -83.7213714

Nearby Water Temperatures

Au Sable River, Glennie, MI (2.4 mi)
Au Sable River, Oscoda, MI (7.4 mi)
Au Sable River, Glennie, MI (7.8 mi)
Au Sable River, Curran, MI (11.8 mi)
Au Sable River, Oscoda, MI (14.3 mi)
Au Sable River, Mio, MI (24.3 mi)
Rifle River, Sterling, MI (30.8 mi)
Au Sable River, Luzerne, MI (31.7 mi)
South Branch Au Sable River, Grayling, MI (37.6 mi)
North Branch Au Sable River, Grayling, MI (38.6 mi)
Lake Huron, Alpena, MI (42.5 mi)
Thunder Bay River, Alpena, MI (43.8 mi)
Manistee River, Grayling, MI (57.6 mi)
Lake Huron, Port Austin, MI (65.7 mi)
Tittabawassee River, Freeland, MI (67.9 mi)

Weather for South Branch, Michigan

Current Weather

67.8°F
Clear
Clear
57°F
67.8°F
68%
WSW 6.3 mph
13.2 mph
67.8°F
56.8°F
0 in
0%
6 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 96°F
L: 67°F
Sunny
Tue
H: 102°F
L: 73°F
Sunny
Wed
H: 93°F
L: 66°F
Sunny
Thu
H: 87°F
L: 63°F
Sunny
Fri
H: 81°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 5.3 μg/m3
PM10: 5.8 μg/m3
Carbon Monoxide: 134 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:40 PM
Sunset: 9:18 PM
Daylight: 15 hrs 15 mins
Moonrise: 4:36 AM
Moon Transit: 1:00 PM
Moonset: 9:14 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
12:30 AM - 3:00 PM

Minor Periods

8:44 PM - 10:14 PM
4:06 AM - 5:36 AM

Action Rating: 4 out of 5

Monday, July 13, 2026

Weather Forecast

Sunny
96.4°F
67.3°F
80.1°F
57%
0.01 in
17%
0%
10.5 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 4.99 μg/m3
PM10: 5.5 μg/m3
Carbon Monoxide: 129.46 μg/m3
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 84.75 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:40 PM
Sunset: 9:18 PM
Daylight: 15 hrs 15 mins
Moonrise: 4:36 AM
Moon Transit: 1:00 PM
Moonset: 9:14 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
12:30 AM - 3:00 PM

Minor Periods

8:44 PM - 10:14 PM
4:06 AM - 5:36 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
101.5°F
73°F
84.6°F
54%
0 in
2%
0%
12.3 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.68 μg/m3
Carbon Monoxide: 120.04 μg/m3
Nitrogen Dioxide: 1.19 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 98 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:40 PM
Sunset: 9:17 PM
Daylight: 15 hrs 14 mins
Moonrise: 5:57 AM
Moon Transit: 2:03 PM
Moonset: 9:56 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

1:54 AM - 4:24 AM
1:33 PM - 4:03 PM

Minor Periods

9:26 PM - 10:56 PM
5:27 AM - 6:57 AM

Action Rating: 4 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
93.3°F
66.4°F
79°F
47%
0 in
17%
0%
11.9 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 4.03 μg/m3
PM10: 4.18 μg/m3
Carbon Monoxide: 113.88 μg/m3
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 89.71 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:40 PM
Sunset: 9:17 PM
Daylight: 15 hrs 12 mins
Moonrise: 7:21 AM
Moon Transit: 3:02 PM
Moonset: 10:27 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

2:55 AM - 5:25 AM
2:32 PM - 5:02 PM

Minor Periods

9:57 PM - 11:27 PM
6:51 AM - 8:21 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
86.9°F
63°F
75.1°F
40%
0 in
1%
0%
11.6 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.11 μg/m3
PM10: 4.18 μg/m3
Carbon Monoxide: 139.69 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 0.24 μg/m3
Ozone: 79.83 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:41 PM
Sunset: 9:16 PM
Daylight: 15 hrs 10 mins
Moonrise: 8:43 AM
Moon Transit: 3:55 PM
Moonset: 10:52 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

3:51 AM - 6:21 AM
3:25 PM - 5:55 PM

Minor Periods

10:22 PM - 11:52 PM
8:13 AM - 9:43 AM

Action Rating: 4 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
81.1°F
53.5°F
66.8°F
56%
0 in
3%
0%
6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 5.79 μg/m3
PM10: 5.91 μg/m3
Carbon Monoxide: 160.11 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 62.56 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:41 PM
Sunset: 9:15 PM
Daylight: 15 hrs 9 mins
Moonrise: 10:01 AM
Moon Transit: 4:43 PM
Moonset: 11:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

4:42 AM - 7:12 AM
4:13 PM - 6:43 PM

Minor Periods

12:00 AM - 12:00 AM
9:31 AM - 11:01 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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