Water Temperature of the South Santiam River in Waterloo, OR

Current Water Temperature

53.4°F

Measurement Time: Tuesday, May 26, 2026, 12:30 AM PDT

Temperature Locations

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Local Points of Interest

Waterloo Falls; Lebanon, OR

South Santiam River

Station Name: SOUTH SANTIAM RIVER AT WATERLOO, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 472 feet

Nearest Address:
31187 1st St
Waterloo, OR 97355
Linn County

GPS Coordinates: 44.4984564, -122.8234214

Nearby Water Temperatures

South Santiam River, Sweet Home, OR (8.9 mi)
Middle Santiam River, Foster, OR (13.9 mi)
North Santiam River, Jefferson, OR (16.2 mi)
Willamette River , Albany, OR (17 mi)
South Santiam River, Cascadia, OR (17.7 mi)
Quartzville Creek, Cascadia, OR (19.3 mi)
Santiam River, Jefferson, OR (20 mi)
North Santiam River, Mehama, OR (20.6 mi)
Middle Santiam River, Cascadia, OR (22.3 mi)
Willamette River , Harrisburg, OR (23.4 mi)
Little North Santiam River, Lyons, OR (23.5 mi)
Long Tom River, Monroe, OR (26.6 mi)
McKenzie River, Eugene, OR (28.8 mi)
Camp Creek, Springfield, OR (29.7 mi)
McKenzie River, Walterville, OR (29.7 mi)

Weather for Waterloo, Oregon

Current Weather

52°F
Partly cloudy
Partly cloudy
51.3°F
50.4°F
87%
SE 3.8 mph
5.9 mph
50.3°F
44.5°F
0 in
75%
9 mi
1012 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 66°F
L: 46°F
Partly Cloudy
Wed
H: 73°F
L: 42°F
Patchy rain nearby
Thu
H: 73°F
L: 48°F
Patchy rain nearby
Fri
H: 62°F
L: 50°F
Partly Cloudy
Sat
H: 64°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 1.75 μg/m3
PM10: 2.05 μg/m3
Carbon Monoxide: 112.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:08 PM
Sunset: 8:44 PM
Daylight: 15 hrs 11 mins
Moonrise: 4:31 PM
Moon Transit: 10:00 PM
Moonset: 3:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
9:30 PM - 12:00 PM

Minor Periods

4:01 PM - 5:31 PM
2:31 AM - 4:01 AM

Action Rating: 2 out of 5

Tuesday, May 26, 2026

Weather Forecast

Patchy rain nearby
65.8°F
46°F
55.4°F
69%
0.01 in
84%
0%
9.8 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 4.16 μg/m3
Carbon Monoxide: 117.49 μg/m3
Nitrogen Dioxide: 2.13 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 59.12 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:08 PM
Sunset: 8:44 PM
Daylight: 15 hrs 11 mins
Moonrise: 4:31 PM
Moon Transit: 10:00 PM
Moonset: 3:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
9:30 PM - 12:00 PM

Minor Periods

4:01 PM - 5:31 PM
2:31 AM - 4:01 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Partly Cloudy
72.8°F
41.6°F
56.8°F
78%
0 in
0%
0%
9.4 mph
4.7


Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 7.12 μg/m3
Carbon Monoxide: 136.85 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 58.72 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:08 PM
Sunset: 8:45 PM
Daylight: 15 hrs 13 mins
Moonrise: 5:37 PM
Moon Transit: 10:42 PM
Moonset: 3:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

5:20 AM - 7:50 AM
12:00 AM - 12:00 AM

Minor Periods

5:07 PM - 6:37 PM
2:49 AM - 4:19 AM

Action Rating: 3 out of 5

Thursday, May 28, 2026

Weather Forecast

Patchy rain nearby
73°F
47.8°F
59.7°F
79%
0.03 in
86%
0%
7.2 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 9.83 μg/m3
PM10: 13.09 μg/m3
Carbon Monoxide: 142.25 μg/m3
Nitrogen Dioxide: 5.57 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 63.8 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:08 PM
Sunset: 8:46 PM
Daylight: 15 hrs 14 mins
Moonrise: 6:44 PM
Moon Transit: 11:27 PM
Moonset: 3:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
12:00 AM - 12:00 AM

Minor Periods

6:14 PM - 7:44 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Patchy rain nearby
61.8°F
50.1°F
54.1°F
86%
0.04 in
87%
0%
6 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 5.27 μg/m3
PM10: 7.36 μg/m3
Carbon Monoxide: 113.47 μg/m3
Nitrogen Dioxide: 2.34 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 53.4 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 1:08 PM
Sunset: 8:47 PM
Daylight: 15 hrs 16 mins
Moonrise: 7:50 PM
Moon Transit: 12:00 AM
Moonset: 4:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:49 AM - 9:19 AM

Minor Periods

7:20 PM - 8:50 PM
3:34 AM - 5:04 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Partly Cloudy
63.5°F
41.9°F
52.3°F
70%
0 in
0%
0%
8.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 9.17 μg/m3
PM10: 13.81 μg/m3
Carbon Monoxide: 127.23 μg/m3
Nitrogen Dioxide: 2.54 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 67.46 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:08 PM
Sunset: 8:48 PM
Daylight: 15 hrs 17 mins
Moonrise: 8:54 PM
Moon Transit: 12:14 AM
Moonset: 4:34 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:37 AM - 10:07 AM

Minor Periods

8:24 PM - 9:54 PM
4:04 AM - 5:34 AM

Action Rating: 5 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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