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

Current Water Temperature

64.8°F

Measurement Time: Thursday, October 1, 2026, 12:30 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

68°F
Partly Cloudy
Partly Cloudy
58%
0 mph
53°F

Weather Forecast

Mostly Clear
Tonight
51°F - Mostly Clear
Mostly Sunny
Friday
80°F - Mostly Sunny
Mostly Clear
Friday Night
50°F - Mostly Clear
Patchy Fog then Sunny
Saturday
81°F - Patchy Fog then Sunny
Mostly Clear
Saturday Night
53°F - Mostly Clear
Mostly Sunny
Sunday
87°F - Mostly Sunny
Partly Cloudy
Sunday Night
56°F - Partly Cloudy
Sunny
Monday
84°F - Sunny
Mostly Clear
Monday Night
51°F - Mostly Clear
Sunny
Tuesday
80°F - Sunny
Mostly Clear
Tuesday Night
50°F - Mostly Clear
Sunny
Wednesday
81°F - Sunny
Mostly Clear
Wednesday Night
51°F - Mostly Clear
Sunny
Thursday
83°F - Sunny

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:01 PM
Sunset: 6:53 PM
Daylight: 11 hrs 43 mins
Moonrise: 9:47 PM
Moon Transit: 5:06 AM
Moonset: 1:26 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:36 AM - 7:06 AM
12:31 AM - 3:01 PM

Minor Periods

9:17 PM - 10:47 PM
12:56 AM - 2:26 PM

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: 7:10 AM
Sun Transit: 1:01 PM
Sunset: 6:53 PM
Daylight: 11 hrs 43 mins
Moonrise: 9:47 PM
Moon Transit: 5:06 AM
Moonset: 1:26 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:36 AM - 7:06 AM
12:31 AM - 3:01 PM

Minor Periods

9:17 PM - 10:47 PM
12:56 AM - 2:26 PM

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: 7:11 AM
Sun Transit: 1:01 PM
Sunset: 6:51 PM
Daylight: 11 hrs 40 mins
Moonrise: 10:53 PM
Moon Transit: 6:09 AM
Moonset: 2:31 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
1:34 PM - 4:04 PM

Minor Periods

10:23 PM - 11:53 PM
2:01 PM - 3:31 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: 7:11 AM
Sun Transit: 1:01 PM
Sunset: 6:51 PM
Daylight: 11 hrs 40 mins
Moonrise: 10:53 PM
Moon Transit: 6:09 AM
Moonset: 2:31 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
1:34 PM - 4:04 PM

Minor Periods

10:23 PM - 11:53 PM
2:01 PM - 3:31 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: 7:12 AM
Sun Transit: 1:01 PM
Sunset: 6:49 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:07 PM
Moon Transit: 7:11 AM
Moonset: 3:22 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:41 AM - 9:11 AM
2:36 PM - 5:06 PM

Minor Periods

12:00 AM - 12:00 AM
2:52 PM - 4:22 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: 7:12 AM
Sun Transit: 1:01 PM
Sunset: 6:49 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:07 PM
Moon Transit: 7:11 AM
Moonset: 3:22 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:41 AM - 9:11 AM
2:36 PM - 5:06 PM

Minor Periods

12:00 AM - 12:00 AM
2:52 PM - 4:22 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: 7:13 AM
Sun Transit: 1:00 PM
Sunset: 6:48 PM
Daylight: 11 hrs 34 mins
Moonrise: 12:07 AM
Moon Transit: 8:10 AM
Moonset: 4:02 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:40 AM - 10:10 AM
3:34 PM - 6:04 PM

Minor Periods

3:32 PM - 5:02 PM
12:00 AM - 12:00 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: 7:13 AM
Sun Transit: 1:00 PM
Sunset: 6:48 PM
Daylight: 11 hrs 34 mins
Moonrise: 12:07 AM
Moon Transit: 8:10 AM
Moonset: 4:02 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:40 AM - 10:10 AM
3:34 PM - 6:04 PM

Minor Periods

3:32 PM - 5:02 PM
12:00 AM - 12:00 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: 7:14 AM
Sun Transit: 1:00 PM
Sunset: 6:46 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:25 AM
Moon Transit: 9:06 AM
Moonset: 4:33 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:36 AM - 11:06 AM
4:28 PM - 6:58 PM

Minor Periods

4:03 PM - 5:33 PM
12:55 AM - 2:25 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: 7:14 AM
Sun Transit: 1:00 PM
Sunset: 6:46 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:25 AM
Moon Transit: 9:06 AM
Moonset: 4:33 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:36 AM - 11:06 AM
4:28 PM - 6:58 PM

Minor Periods

4:03 PM - 5:33 PM
12:55 AM - 2:25 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: 7:16 AM
Sun Transit: 1:00 PM
Sunset: 6:44 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:42 AM
Moon Transit: 9:57 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:18 PM - 7:48 PM
9:27 AM - 11:57 AM

Minor Periods

4:28 PM - 5:58 PM
2:12 AM - 3:42 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: 7:16 AM
Sun Transit: 1:00 PM
Sunset: 6:44 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:42 AM
Moon Transit: 9:57 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:18 PM - 7:48 PM
9:27 AM - 11:57 AM

Minor Periods

4:28 PM - 5:58 PM
2:12 AM - 3:42 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: 7:17 AM
Sun Transit: 1:00 PM
Sunset: 6:42 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:57 AM
Moon Transit: 10:45 AM
Moonset: 5:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:05 PM - 8:35 PM
10:15 AM - 12:45 AM

Minor Periods

4:50 PM - 6:20 PM
3:27 AM - 4:57 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: 7:17 AM
Sun Transit: 1:00 PM
Sunset: 6:42 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:57 AM
Moon Transit: 10:45 AM
Moonset: 5:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:05 PM - 8:35 PM
10:15 AM - 12:45 AM

Minor Periods

4:50 PM - 6:20 PM
3:27 AM - 4:57 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: 7:18 AM
Sun Transit: 1:00 PM
Sunset: 6:41 PM
Daylight: 11 hrs 23 mins
Moonrise: 5:10 AM
Moon Transit: 11:31 AM
Moonset: 5:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

6:51 PM - 9:21 PM
11:01 AM - 1:31 PM

Minor Periods

5:10 PM - 6:40 PM
4:40 AM - 6:10 AM

Action Rating: 4 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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