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

Current Water Temperature

51.1°F

Measurement Time: Saturday, May 2, 2026, 6:00 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

53.1°F
Clear
Clear
53.6°F
57.6°F
93%
SSE 2.5 mph
5.2 mph
57.8°F
47°F
0 in
0%
9 mi
1012 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 90°F
L: 52°F
Patchy rain nearby
Mon
H: 57°F
L: 49°F
Partly Cloudy
Tue
H: 73°F
L: 48°F
Sunny
Wed
H: 77°F
L: 44°F
Sunny
Thu
H: 75°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 13.85 μg/m3
PM10: 15.85 μg/m3
Carbon Monoxide: 183.85 μg/m3
Nitrogen Dioxide: 11.25 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 28 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:09 PM
Sunset: 8:18 PM
Daylight: 14 hrs 16 mins
Moonrise: 10:59 PM
Moon Transit: 2:19 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
9:40 AM - 12:10 AM

Minor Periods

10:29 PM - 11:59 PM
6:07 AM - 7:37 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued May 2 at 12:03PM PDT until May 3 at 11:00AM PDT by NWS Medford OR

Effective: Sat May 2, 2026, 12:03 PM
Expires: Sun May 3, 2026, 5:00 AM

* WHAT...Moderate risk of sneaker waves expected. * WHERE...Beaches of Curry, Coos, and Douglas counties. * WHEN...From this evening through Sunday morning. * IMPACTS...Sneaker waves can run up significantly farther on beaches than normal, including over rocks and jetties. These waves can suddenly knock people off of their feet and sweep them into the ocean. The waves can also move logs or other objects which could crush or trap anyone caught underneath. * ADDITIONAL DETAILS...A short period northwest swell and a building long period northwest swell may combine their energy to produce dangerous surges. The risk will be highest around sunrise on Sunday morning. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

Avoid climbing on rocks and jetties. Stay away from the ocean and remain out of the water to avoid hazardous conditions.


Sunday, May 3, 2026

Weather Forecast

Patchy rain nearby
90°F
51.9°F
66.9°F
60%
0.03 in
88%
0%
6.7 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 11.45 μg/m3
PM10: 14.93 μg/m3
Carbon Monoxide: 190.49 μg/m3
Nitrogen Dioxide: 11.64 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 64.92 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:09 PM
Sunset: 8:18 PM
Daylight: 14 hrs 16 mins
Moonrise: 10:59 PM
Moon Transit: 2:19 AM
Moonset: 6:37 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:49 AM - 4:19 AM
9:40 AM - 12:10 AM

Minor Periods

10:29 PM - 11:59 PM
6:07 AM - 7:37 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Patchy rain nearby
57.2°F
48.9°F
53.4°F
93%
0.05 in
89%
0%
3.8 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 8.27 μg/m3
PM10: 10.57 μg/m3
Carbon Monoxide: 153.53 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 78.92 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:08 PM
Sunset: 8:19 PM
Daylight: 14 hrs 19 mins
Moonrise: 11:56 PM
Moon Transit: 3:09 AM
Moonset: 7:17 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:39 AM - 5:09 AM
10:31 AM - 1:01 PM

Minor Periods

12:00 AM - 12:00 AM
6:47 AM - 8:17 AM

Action Rating: 2 out of 5

Tuesday, May 5, 2026

Weather Forecast

Partly Cloudy
72.5°F
47.9°F
59.2°F
74%
0 in
0%
0%
5.4 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 7.91 μg/m3
PM10: 11.01 μg/m3
Carbon Monoxide: 140.41 μg/m3
Nitrogen Dioxide: 2.29 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 81.36 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:08 PM
Sunset: 8:20 PM
Daylight: 14 hrs 21 mins
Moonrise: 12:56 AM
Moon Transit: 4:00 AM
Moonset: 8:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
11:22 AM - 1:52 PM

Minor Periods

7:36 AM - 9:06 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, May 6, 2026

Weather Forecast

Sunny
76.9°F
44.4°F
58.4°F
71%
0 in
0%
0%
9.4 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 7.13 μg/m3
PM10: 9.67 μg/m3
Carbon Monoxide: 147.79 μg/m3
Nitrogen Dioxide: 5.41 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 61.12 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:08 PM
Sunset: 8:21 PM
Daylight: 14 hrs 24 mins
Moonrise: 12:45 AM
Moon Transit: 4:52 AM
Moonset: 9:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:22 AM - 6:52 AM
12:13 AM - 2:43 PM

Minor Periods

8:32 AM - 10:02 AM
12:15 AM - 1:45 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Sunny
75°F
40.2°F
52.1°F
77%
0 in
0%
0%
8.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.21 μg/m3
PM10: 9.62 μg/m3
Carbon Monoxide: 181.6 μg/m3
Nitrogen Dioxide: 8.28 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 47.62 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:08 PM
Sunset: 8:22 PM
Daylight: 14 hrs 26 mins
Moonrise: 1:25 AM
Moon Transit: 5:42 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

5:12 AM - 7:42 AM
1:03 PM - 3:33 PM

Minor Periods

9:35 AM - 11:05 AM
12:55 AM - 2:25 AM

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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