Water Temperature of the Coast Fork Willamette River in Cottage Grove, OR

Current Water Temperature

32.0°F

Measurement Time: Wednesday, September 23, 2026, 2:08 PM PDT

Temperature Locations

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Local Points of Interest

Cottage Grove Lake; Cottage Grove Dam

Coast Fork Willamette River

Station Name: COAST FORK WILLAMETTE R BLW COTTAGE GROVE DAM, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 738 feet

Nearest Address:
75800 Reservoir Rd
Cottage Grove, OR 97424
Lane County

GPS Coordinates: 43.72067785, -123.0497994

Nearby Water Temperatures

Coast Fork Willamette River, London, OR (5.8 mi)
Row River, Cottage Grove, OR (5.8 mi)
Row River, Dorena, OR (8.9 mi)
Middle Fork Willamette River, Fall Creek, OR (18.8 mi)
Cedar Creek, Thurston, OR (24.3 mi)
McKenzie River, Springfield, OR (24.6 mi)
Middle Fork Willamette River, Oakridge, OR (25 mi)
Camp Creek, Springfield, OR (25.5 mi)
Willamette River , Eugene, OR (25.8 mi)
Rock Creek, Glide, OR (26 mi)
McKenzie River, Eugene, OR (27.1 mi)
North Fork Middle Fork Willamette River, Westfir, OR (27.3 mi)
North Umpqua River, Idleyld Park, OR (27.5 mi)
McKenzie River, Walterville, OR (27.8 mi)
Long Tom River, Alvadore, OR (30.5 mi)

Weather for Cottage Grove, Oregon

Current Weather

57°F
Partly Cloudy
Partly Cloudy
67%
0 mph
46°F

Weather Forecast

Partly Cloudy
Tonight
47°F - Partly Cloudy
Mostly Cloudy
Thursday
79°F - Mostly Cloudy
Rain
Thursday Night
50°F - Rain
Light Rain
Friday
62°F - Light Rain
Patchy Fog
Friday Night
43°F - Patchy Fog
Mostly Sunny
Saturday
65°F - Mostly Sunny
Partly Cloudy
Saturday Night
42°F - Partly Cloudy
Mostly Sunny
Sunday
66°F - Mostly Sunny
Mostly Clear
Sunday Night
42°F - Mostly Clear
Mostly Sunny
Monday
68°F - Mostly Sunny
Partly Cloudy
Monday Night
44°F - Partly Cloudy
Mostly Sunny
Tuesday
71°F - Mostly Sunny
Partly Cloudy
Tuesday Night
46°F - Partly Cloudy
Mostly Sunny
Wednesday
71°F - Mostly Sunny

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:04 PM
Sunset: 7:07 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:52 PM
Moon Transit: 11:13 PM
Moonset: 3:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
12:00 AM - 12:00 AM

Minor Periods

5:22 PM - 6:52 PM
3:07 AM - 4:37 AM

Action Rating: 3 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: 7:01 AM
Sun Transit: 1:04 PM
Sunset: 7:07 PM
Daylight: 12 hrs 6 mins
Moonrise: 5:52 PM
Moon Transit: 11:13 PM
Moonset: 3:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
12:00 AM - 12:00 AM

Minor Periods

5:22 PM - 6:52 PM
3:07 AM - 4:37 AM

Action Rating: 3 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: 7:02 AM
Sun Transit: 1:04 PM
Sunset: 7:05 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:12 PM
Moon Transit: 11:57 PM
Moonset: 4:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
12:00 AM - 12:00 AM

Minor Periods

5:42 PM - 7:12 PM
4:16 AM - 5:46 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: 7:02 AM
Sun Transit: 1:04 PM
Sunset: 7:05 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:12 PM
Moon Transit: 11:57 PM
Moonset: 4:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
12:00 AM - 12:00 AM

Minor Periods

5:42 PM - 7:12 PM
4:16 AM - 5:46 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: 7:03 AM
Sun Transit: 1:03 PM
Sunset: 7:04 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:32 PM
Moon Transit: 12:00 AM
Moonset: 5:55 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:17 AM - 9:47 AM

Minor Periods

6:02 PM - 7:32 PM
5:25 AM - 6:55 AM

Action Rating: 6 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: 7:03 AM
Sun Transit: 1:03 PM
Sunset: 7:04 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:32 PM
Moon Transit: 12:00 AM
Moonset: 5:55 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:17 AM - 9:47 AM

Minor Periods

6:02 PM - 7:32 PM
5:25 AM - 6:55 AM

Action Rating: 6 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: 7:04 AM
Sun Transit: 1:03 PM
Sunset: 7:02 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:51 PM
Moon Transit: 5:33 AM
Moonset: 7:06 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:21 PM - 7:51 PM
6:36 AM - 8:06 AM

Action Rating: 6 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: 7:04 AM
Sun Transit: 1:03 PM
Sunset: 7:02 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:51 PM
Moon Transit: 5:33 AM
Moonset: 7:06 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:21 PM - 7:51 PM
6:36 AM - 8:06 AM

Action Rating: 6 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: 7:05 AM
Sun Transit: 1:03 PM
Sunset: 7:00 PM
Daylight: 11 hrs 55 mins
Moonrise: 7:13 PM
Moon Transit: 1:27 AM
Moonset: 8:19 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:57 AM - 3:27 AM
8:48 AM - 11:18 AM

Minor Periods

6:43 PM - 8:13 PM
7:49 AM - 9:19 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: 7:05 AM
Sun Transit: 1:03 PM
Sunset: 7:00 PM
Daylight: 11 hrs 55 mins
Moonrise: 7:13 PM
Moon Transit: 1:27 AM
Moonset: 8:19 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:57 AM - 3:27 AM
8:48 AM - 11:18 AM

Minor Periods

6:43 PM - 8:13 PM
7:49 AM - 9:19 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: 7:06 AM
Sun Transit: 1:02 PM
Sunset: 6:58 PM
Daylight: 11 hrs 52 mins
Moonrise: 7:39 PM
Moon Transit: 2:16 AM
Moonset: 9:35 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:46 AM - 4:16 AM
9:38 AM - 12:08 AM

Minor Periods

7:09 PM - 8:39 PM
9:05 AM - 10:35 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: 7:06 AM
Sun Transit: 1:02 PM
Sunset: 6:58 PM
Daylight: 11 hrs 52 mins
Moonrise: 7:39 PM
Moon Transit: 2:16 AM
Moonset: 9:35 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:46 AM - 4:16 AM
9:38 AM - 12:08 AM

Minor Periods

7:09 PM - 8:39 PM
9:05 AM - 10:35 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: 7:08 AM
Sun Transit: 1:02 PM
Sunset: 6:56 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:12 PM
Moon Transit: 3:09 AM
Moonset: 10:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:39 AM - 5:09 AM
10:32 AM - 1:02 PM

Minor Periods

7:42 PM - 9:12 PM
10:24 AM - 11:54 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: 7:08 AM
Sun Transit: 1:02 PM
Sunset: 6:56 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:12 PM
Moon Transit: 3:09 AM
Moonset: 10:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:39 AM - 5:09 AM
10:32 AM - 1:02 PM

Minor Periods

7:42 PM - 9:12 PM
10:24 AM - 11:54 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: 7:09 AM
Sun Transit: 1:02 PM
Sunset: 6:55 PM
Daylight: 11 hrs 46 mins
Moonrise: 8:54 PM
Moon Transit: 4:05 AM
Moonset: 12:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:35 AM - 6:05 AM
11:30 AM - 2:00 PM

Minor Periods

8:24 PM - 9:54 PM
11:42 AM - 1:12 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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