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

Current Water Temperature

51.1°F

Measurement Time: Friday, April 10, 2026, 5:00 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

54°F
Light rain
Light rain
54.8°F
52.9°F
72%
ESE 2.2 mph
6.7 mph
52.7°F
51.2°F
0.07 in
75%
9 mi
1007 mbar
0

Five Day Weather Forecast

Heavy rain
Sat
H: 58°F
L: 44°F
Moderate rain
Sun
H: 50°F
L: 43°F
Patchy rain nearby
Mon
H: 49°F
L: 43°F
Patchy rain nearby
Tue
H: 51°F
L: 34°F
Moderate rain
Wed
H: 46°F
L: 30°F

Air Quality

PM2.5: 4.05 μg/m3
PM10: 4.25 μg/m3
Carbon Monoxide: 134.85 μg/m3
Nitrogen Dioxide: 7.55 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:13 PM
Sunset: 7:51 PM
Daylight: 13 hrs 15 mins
Moonrise: 3:58 AM
Moon Transit: 8:37 AM
Moonset: 1:25 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
3:58 PM - 6:28 PM

Minor Periods

12:55 AM - 2:25 PM
3:28 AM - 4:58 AM

Action Rating: 2 out of 5

Saturday, April 11, 2026

Weather Forecast

Heavy rain
58.3°F
44.1°F
52.3°F
92%
1.19 in
87%
0%
9.4 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 3.39 μg/m3
PM10: 3.82 μg/m3
Carbon Monoxide: 134.77 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 54.24 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:13 PM
Sunset: 7:51 PM
Daylight: 13 hrs 15 mins
Moonrise: 3:58 AM
Moon Transit: 8:37 AM
Moonset: 1:25 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
3:58 PM - 6:28 PM

Minor Periods

12:55 AM - 2:25 PM
3:28 AM - 4:58 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Moderate rain
49.5°F
42.6°F
46°F
95%
0.33 in
85%
0%
3.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.31 μg/m3
PM10: 2.53 μg/m3
Carbon Monoxide: 150.57 μg/m3
Nitrogen Dioxide: 4.97 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 55.64 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:12 PM
Sunset: 7:52 PM
Daylight: 13 hrs 18 mins
Moonrise: 4:24 AM
Moon Transit: 9:24 AM
Moonset: 2:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:54 AM - 11:24 AM
4:44 PM - 7:14 PM

Minor Periods

2:05 PM - 3:35 PM
3:54 AM - 5:24 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
48.7°F
43°F
45.2°F
90%
0.16 in
80%
0%
5.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 6.12 μg/m3
PM10: 8.4 μg/m3
Carbon Monoxide: 150.77 μg/m3
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 70.12 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:12 PM
Sunset: 7:54 PM
Daylight: 13 hrs 21 mins
Moonrise: 4:46 AM
Moon Transit: 10:10 AM
Moonset: 3:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

5:30 PM - 8:00 PM
9:40 AM - 12:10 AM

Minor Periods

3:16 PM - 4:46 PM
4:16 AM - 5:46 AM

Action Rating: 3 out of 5

Tuesday, April 14, 2026

Weather Forecast

Patchy rain nearby
51.4°F
34°F
42.2°F
82%
0.16 in
89%
0%
10.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 7.65 μg/m3
PM10: 10.63 μg/m3
Carbon Monoxide: 174.66 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 66.46 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:12 PM
Sunset: 7:55 PM
Daylight: 13 hrs 24 mins
Moonrise: 5:06 AM
Moon Transit: 10:56 AM
Moonset: 4:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

6:16 PM - 8:46 PM
10:26 AM - 12:56 AM

Minor Periods

4:29 PM - 5:59 PM
4:36 AM - 6:06 AM

Action Rating: 3 out of 5

Wednesday, April 15, 2026

Weather Forecast

Moderate rain
45.6°F
30.3°F
39.4°F
95%
0.76 in
62%
0%
9.8 mph
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: 6:29 AM
Sun Transit: 1:12 PM
Sunset: 7:56 PM
Daylight: 13 hrs 27 mins
Moonrise: 5:27 AM
Moon Transit: 8:33 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

5:44 PM - 7:14 PM
4:57 AM - 6:27 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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