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

Current Water Temperature

52.3°F

Measurement Time: Tuesday, May 26, 2026, 12:30 AM 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

48.9°F
Partly cloudy
Partly cloudy
48.5°F
50.4°F
93%
SE 2.9 mph
4 mph
50.3°F
45.6°F
0 in
75%
9 mi
1012 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 66°F
L: 44°F
Cloudy
Wed
H: 73°F
L: 44°F
Patchy rain nearby
Thu
H: 78°F
L: 47°F
Patchy rain nearby
Fri
H: 61°F
L: 50°F
Patchy rain nearby
Sat
H: 64°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 1.55 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 111.85 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:09 PM
Sunset: 8:43 PM
Daylight: 15 hrs 6 mins
Moonrise: 4:31 PM
Moon Transit: 10:01 PM
Moonset: 3:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

4:37 AM - 7:07 AM
12:00 AM - 12:00 AM

Minor Periods

4:01 PM - 5:31 PM
2:32 AM - 4:02 AM

Action Rating: 2 out of 5

Tuesday, May 26, 2026

Weather Forecast

Patchy rain nearby
65.7°F
44.1°F
54.9°F
68%
0.04 in
89%
0%
8.5 mph
4.4


Air Quality

AQI: 1 - Good
PM2.5: 3 μg/m3
PM10: 4.17 μg/m3
Carbon Monoxide: 115.77 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 62.88 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:09 PM
Sunset: 8:43 PM
Daylight: 15 hrs 6 mins
Moonrise: 4:31 PM
Moon Transit: 10:01 PM
Moonset: 3:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

4:37 AM - 7:07 AM
12:00 AM - 12:00 AM

Minor Periods

4:01 PM - 5:31 PM
2:32 AM - 4:02 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Cloudy
72.6°F
44.3°F
56.5°F
77%
0 in
0%
0%
9.6 mph
4.5


Air Quality

AQI: 1 - Good
PM2.5: 4.96 μg/m3
PM10: 6.97 μg/m3
Carbon Monoxide: 120.49 μg/m3
Nitrogen Dioxide: 2.52 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 67.64 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:09 PM
Sunset: 8:43 PM
Daylight: 15 hrs 7 mins
Moonrise: 5:36 PM
Moon Transit: 10:43 PM
Moonset: 3:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

5:20 AM - 7:50 AM
12:00 AM - 12:00 AM

Minor Periods

5:06 PM - 6:36 PM
2:51 AM - 4:21 AM

Action Rating: 3 out of 5

Thursday, May 28, 2026

Weather Forecast

Patchy rain nearby
77.9°F
46.8°F
59.6°F
75%
0.04 in
89%
0%
8.9 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 8.74 μg/m3
PM10: 12.31 μg/m3
Carbon Monoxide: 124.69 μg/m3
Nitrogen Dioxide: 3.29 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 67.64 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:09 PM
Sunset: 8:44 PM
Daylight: 15 hrs 9 mins
Moonrise: 6:42 PM
Moon Transit: 11:28 PM
Moonset: 3:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
12:00 AM - 12:00 AM

Minor Periods

6:12 PM - 7:42 PM
3:13 AM - 4:43 AM

Action Rating: 3 out of 5

Friday, May 29, 2026

Weather Forecast

Patchy rain nearby
61.1°F
49.9°F
53.2°F
87%
0.1 in
89%
0%
4.9 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 7.49 μg/m3
Carbon Monoxide: 107.43 μg/m3
Nitrogen Dioxide: 1.82 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 59.64 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:09 PM
Sunset: 8:45 PM
Daylight: 15 hrs 10 mins
Moonrise: 7:48 PM
Moon Transit: 12:00 AM
Moonset: 4:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:48 AM - 9:18 AM

Minor Periods

7:18 PM - 8:48 PM
3:38 AM - 5:08 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Patchy rain nearby
63.7°F
46.2°F
52.2°F
72%
0.01 in
89%
0%
7.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 10.1 μg/m3
PM10: 15.26 μg/m3
Carbon Monoxide: 123.35 μg/m3
Nitrogen Dioxide: 2.11 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 74.54 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:09 PM
Sunset: 8:46 PM
Daylight: 15 hrs 12 mins
Moonrise: 8:52 PM
Moon Transit: 12:15 AM
Moonset: 4:38 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:36 AM - 10:06 AM

Minor Periods

8:22 PM - 9:52 PM
4:08 AM - 5:38 AM

Action Rating: 5 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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