Water Temperature of the South Santiam River in Waterloo, OR

Current Water Temperature

61.5°F

Measurement Time: Wednesday, July 23, 2025, 1:20 PM PDT

Temperature Locations

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Local Points of Interest

Waterloo Falls; Lebanon, OR

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South Santiam River

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

Elevation Above Sea Level: 472 feet / 144 meters

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 (17.0 mi)
South Santiam River, Cascadia, OR (17.7 mi)
Quartzville Creek, Cascadia, OR (19.3 mi)
Santiam River, Jefferson, OR (20.0 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

75.9°F
Sunny
Conditions: Sunny
Humidity: 50%
Feels Like: 78.1°F
Wind: WNW 4.9 mph
Wind Gusts: 9.9 mph
Pressure: 29.96 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0.1

Five Day Weather Forecast

Partly Cloudy
Wed
H: 89°F
L: 56°F
Partly Cloudy
Thu
H: 84°F
L: 56°F
Mist
Fri
H: 75°F
L: 53°F
Sunny
Sat
H: 80°F
L: 49°F
Sunny
Sun
H: 82°F
L: 49°F

Air Quality

PM2.5: 8.88 μg/m3
PM10: 9.62 μg/m3
Carbon Monoxide: 288.6 μg/m3
Nitrogen Dioxide: 24.24 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 23 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:17 PM
Sunset: 8:46 PM
Daylight: 14 hrs 58 mins
Moonrise: 4:04 AM
Moon Transit: 12:26 AM
Moonset: 8:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:52 PM - 10:22 PM
11:56 AM - 2:26 PM

Minor Periods

8:08 PM - 9:38 PM
3:34 AM - 5:04 AM

Action Rating: 2 out of 5

Wednesday, July 23, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 70.2°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 9.58 μg/m3
PM10: 10.6 μg/m3
Carbon Monoxide: 290.52 μg/m3
Nitrogen Dioxide: 11.94 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 64.16 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:17 PM
Sunset: 8:46 PM
Daylight: 14 hrs 58 mins
Moonrise: 4:04 AM
Moon Transit: 12:26 AM
Moonset: 8:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:52 PM - 10:22 PM
11:56 AM - 2:26 PM

Minor Periods

8:08 PM - 9:38 PM
3:34 AM - 5:04 AM

Action Rating: 2 out of 5

Thursday, July 24, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 67.8°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 9.46 μg/m3
PM10: 10.21 μg/m3
Carbon Monoxide: 268.77 μg/m3
Nitrogen Dioxide: 10.26 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 58.76 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:17 PM
Sunset: 8:45 PM
Daylight: 14 hrs 56 mins
Moonrise: 5:21 AM
Moon Transit: 1:24 PM
Moonset: 9:13 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

8:49 PM - 11:19 PM
12:54 AM - 3:24 PM

Minor Periods

8:43 PM - 10:13 PM
4:51 AM - 6:21 AM

Action Rating: 5 out of 5

Friday, July 25, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 60.2°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 9.58 μg/m3
PM10: 11.29 μg/m3
Carbon Monoxide: 243.02 μg/m3
Nitrogen Dioxide: 10.3 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 50.68 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:17 PM
Sunset: 8:44 PM
Daylight: 14 hrs 53 mins
Moonrise: 6:39 AM
Moon Transit: 2:17 PM
Moonset: 9:40 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:47 PM - 4:17 PM

Minor Periods

9:10 PM - 10:40 PM
6:09 AM - 7:39 AM

Action Rating: 5 out of 5

Saturday, July 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 62.6°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 4.92 μg/m3
PM10: 5.45 μg/m3
Carbon Monoxide: 232.82 μg/m3
Nitrogen Dioxide: 9.48 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 42.69 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:17 PM
Sunset: 8:43 PM
Daylight: 14 hrs 51 mins
Moonrise: 7:54 AM
Moon Transit: 3:05 PM
Moonset: 10:02 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:35 PM - 5:05 PM

Minor Periods

9:32 PM - 11:02 PM
7:24 AM - 8:54 AM

Action Rating: 3 out of 5

Sunday, July 27, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 58.8°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0

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: 5:53 AM
Sun Transit: 1:17 PM
Sunset: 8:42 PM
Daylight: 14 hrs 49 mins
Moonrise: 9:05 AM
Moon Transit: 3:49 PM
Moonset: 10:20 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:19 PM - 5:49 PM

Minor Periods

9:50 PM - 11:20 PM
8:35 AM - 10:05 AM

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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