Water Temperature of the South Santiam River in Waterloo, OR

Current Water Temperature

59.0°F

Measurement Time: Wednesday, September 9, 2026, 11:40 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

81°F
Clear
Clear
42%
N 2 mph
56°F

Weather Forecast

Clear
Tonight
55°F - Clear
Mostly Sunny
Thursday
79°F - Mostly Sunny
Mostly Cloudy then Patchy Fog
Thursday Night
48°F - Mostly Cloudy then Patchy Fog
Patchy Fog then Mostly Sunny
Friday
70°F - Patchy Fog then Mostly Sunny
Mostly Cloudy then Chance Light Rain
Friday Night
48°F - Mostly Cloudy then Chance Light Rain
Showers And Thunderstorms
Saturday
62°F - Showers And Thunderstorms
Light Rain Likely
Saturday Night
48°F - Light Rain Likely
Slight Chance Light Rain then Mostly Sunny
Sunday
66°F - Slight Chance Light Rain then Mostly Sunny
Mostly Clear
Sunday Night
47°F - Mostly Clear
Sunny
Monday
71°F - Sunny
Mostly Clear
Monday Night
48°F - Mostly Clear
Mostly Sunny
Tuesday
71°F - Mostly Sunny
Partly Cloudy
Tuesday Night
49°F - Partly Cloudy
Mostly Sunny
Wednesday
73°F - Mostly Sunny

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:08 PM
Sunset: 7:33 PM
Daylight: 12 hrs 49 mins
Moonrise: 4:55 AM
Moon Transit: 12:03 AM
Moonset: 6:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:26 PM - 9:56 PM
11:33 AM - 2:03 PM

Minor Periods

6:25 PM - 7:55 PM
4:25 AM - 5:55 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:44 AM
Sun Transit: 1:08 PM
Sunset: 7:33 PM
Daylight: 12 hrs 49 mins
Moonrise: 4:55 AM
Moon Transit: 12:03 AM
Moonset: 6:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:26 PM - 9:56 PM
11:33 AM - 2:03 PM

Minor Periods

6:25 PM - 7:55 PM
4:25 AM - 5:55 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:45 AM
Sun Transit: 1:08 PM
Sunset: 7:31 PM
Daylight: 12 hrs 46 mins
Moonrise: 6:12 AM
Moon Transit: 12:51 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:13 PM - 10:43 PM
12:21 AM - 2:51 PM

Minor Periods

6:45 PM - 8:15 PM
5:42 AM - 7:12 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:45 AM
Sun Transit: 1:08 PM
Sunset: 7:31 PM
Daylight: 12 hrs 46 mins
Moonrise: 6:12 AM
Moon Transit: 12:51 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:13 PM - 10:43 PM
12:21 AM - 2:51 PM

Minor Periods

6:45 PM - 8:15 PM
5:42 AM - 7:12 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:46 AM
Sun Transit: 1:07 PM
Sunset: 7:29 PM
Daylight: 12 hrs 43 mins
Moonrise: 7:26 AM
Moon Transit: 1:37 PM
Moonset: 7:35 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

8:58 PM - 11:28 PM
1:07 PM - 3:37 PM

Minor Periods

7:05 PM - 8:35 PM
6:56 AM - 8:26 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:46 AM
Sun Transit: 1:07 PM
Sunset: 7:29 PM
Daylight: 12 hrs 43 mins
Moonrise: 7:26 AM
Moon Transit: 1:37 PM
Moonset: 7:35 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

8:58 PM - 11:28 PM
1:07 PM - 3:37 PM

Minor Periods

7:05 PM - 8:35 PM
6:56 AM - 8:26 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:47 AM
Sun Transit: 1:07 PM
Sunset: 7:27 PM
Daylight: 12 hrs 40 mins
Moonrise: 8:39 AM
Moon Transit: 2:22 PM
Moonset: 7:54 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:52 PM - 4:22 PM

Minor Periods

7:24 PM - 8:54 PM
8:09 AM - 9:39 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:47 AM
Sun Transit: 1:07 PM
Sunset: 7:27 PM
Daylight: 12 hrs 40 mins
Moonrise: 8:39 AM
Moon Transit: 2:22 PM
Moonset: 7:54 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:52 PM - 4:22 PM

Minor Periods

7:24 PM - 8:54 PM
8:09 AM - 9:39 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:48 AM
Sun Transit: 1:07 PM
Sunset: 7:25 PM
Daylight: 12 hrs 37 mins
Moonrise: 9:49 AM
Moon Transit: 3:07 PM
Moonset: 8:15 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:37 PM - 5:07 PM

Minor Periods

7:45 PM - 9:15 PM
9:19 AM - 10:49 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:48 AM
Sun Transit: 1:07 PM
Sunset: 7:25 PM
Daylight: 12 hrs 37 mins
Moonrise: 9:49 AM
Moon Transit: 3:07 PM
Moonset: 8:15 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:37 PM - 5:07 PM

Minor Periods

7:45 PM - 9:15 PM
9:19 AM - 10:49 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:49 AM
Sun Transit: 1:06 PM
Sunset: 7:23 PM
Daylight: 12 hrs 34 mins
Moonrise: 11:00 AM
Moon Transit: 3:53 PM
Moonset: 8:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:23 PM - 5:53 PM

Minor Periods

8:09 PM - 9:39 PM
10:30 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:49 AM
Sun Transit: 1:06 PM
Sunset: 7:23 PM
Daylight: 12 hrs 34 mins
Moonrise: 11:00 AM
Moon Transit: 3:53 PM
Moonset: 8:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:23 PM - 5:53 PM

Minor Periods

8:09 PM - 9:39 PM
10:30 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:51 AM
Sun Transit: 1:06 PM
Sunset: 7:21 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:09 AM
Moon Transit: 4:41 PM
Moonset: 9:07 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:11 PM - 6:41 PM

Minor Periods

8:37 PM - 10:07 PM
11:39 AM - 1:09 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:51 AM
Sun Transit: 1:06 PM
Sunset: 7:21 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:09 AM
Moon Transit: 4:41 PM
Moonset: 9:07 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:11 PM - 6:41 PM

Minor Periods

8:37 PM - 10:07 PM
11:39 AM - 1:09 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:52 AM
Sun Transit: 1:06 PM
Sunset: 7:19 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:15 PM
Moon Transit: 5:30 PM
Moonset: 9:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
5:00 PM - 7:30 PM

Minor Periods

9:11 PM - 10:41 PM
12:45 AM - 2:15 PM

Action Rating: 3 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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