Water Temperature of the South Santiam River in Waterloo, OR

Current Water Temperature

55.6°F

Measurement Time: Thursday, July 30, 2026, 11:00 PM 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

56.5°F
Sunny
Sunny
54.1°F
56.5°F
62%
ENE 2.2 mph
3.3 mph
56.5°F
43.7°F
0 in
0%
6 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 90°F
L: 57°F
Sunny
Sat
H: 75°F
L: 50°F
Sunny
Sun
H: 79°F
L: 44°F
Sunny
Mon
H: 83°F
L: 44°F
Sunny
Tue
H: 92°F
L: 48°F

Air Quality

AQI: 1 - Good
PM2.5: 6.5 μg/m3
PM10: 8.1 μg/m3
Carbon Monoxide: 135 μg/m3
Nitrogen Dioxide: 9.8 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 23 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:17 PM
Sunset: 8:38 PM
Daylight: 14 hrs 41 mins
Moonrise: 9:42 PM
Moon Transit: 2:38 AM
Moonset: 8:04 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
9:59 AM - 12:29 AM

Minor Periods

9:12 PM - 10:42 PM
7:34 AM - 9:04 AM

Action Rating: 3 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
90.3°F
56.5°F
71.5°F
46%
0 in
1%
0%
8.9 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 5.83 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 110.17 μg/m3
Nitrogen Dioxide: 4.29 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 55.04 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:17 PM
Sunset: 8:38 PM
Daylight: 14 hrs 41 mins
Moonrise: 9:42 PM
Moon Transit: 2:38 AM
Moonset: 8:04 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
9:59 AM - 12:29 AM

Minor Periods

9:12 PM - 10:42 PM
7:34 AM - 9:04 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
75.1°F
50°F
62.1°F
69%
0 in
10%
0%
10.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 3.6 μg/m3
PM10: 5.01 μg/m3
Carbon Monoxide: 92.83 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 38.58 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:17 PM
Sunset: 8:37 PM
Daylight: 14 hrs 38 mins
Moonrise: 10:01 PM
Moon Transit: 3:21 AM
Moonset: 9:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:51 AM - 5:21 AM
10:42 AM - 1:12 PM

Minor Periods

9:31 PM - 11:01 PM
8:42 AM - 10:12 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
79.3°F
44°F
61.3°F
60%
0 in
3%
0%
10.5 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 5.7 μg/m3
PM10: 8.08 μg/m3
Carbon Monoxide: 92.08 μg/m3
Nitrogen Dioxide: 2.76 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 47.67 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:17 PM
Sunset: 8:35 PM
Daylight: 14 hrs 36 mins
Moonrise: 10:19 PM
Moon Transit: 3:50 PM
Moonset: 10:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

11:25 AM - 1:55 PM
3:20 PM - 5:50 PM

Minor Periods

9:49 PM - 11:19 PM
9:51 AM - 11:21 AM

Action Rating: 2 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
82.9°F
43.5°F
63°F
55%
0 in
2%
0%
11.9 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 4.86 μg/m3
PM10: 5.97 μg/m3
Carbon Monoxide: 118.6 μg/m3
Nitrogen Dioxide: 3.08 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 63.54 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:17 PM
Sunset: 8:34 PM
Daylight: 14 hrs 33 mins
Moonrise: 10:39 PM
Moon Transit: 12:00 AM
Moonset: 11:31 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

10:09 PM - 11:39 PM
11:01 AM - 12:31 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
91.8°F
48.3°F
69°F
46%
0 in
1%
0%
11.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 5.7 μg/m3
PM10: 6.28 μg/m3
Carbon Monoxide: 138.67 μg/m3
Nitrogen Dioxide: 7.03 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 55.83 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:17 PM
Sunset: 8:33 PM
Daylight: 14 hrs 31 mins
Moonrise: 11:02 PM
Moon Transit: 5:34 AM
Moonset: 12:45 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
12:56 AM - 3:26 PM

Minor Periods

12:00 AM - 12:00 AM
12:15 AM - 1:45 PM

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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