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

Current Water Temperature

53.1°F 11.7°C
Cold Thermal Gear Required
53.1°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Saturday, November 7, 2026, 12:00 AM PST

Temperature Locations

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Local Points of Interest

Cottage Grove Lake; Cottage Grove Dam

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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

46.4°F
Overcast
Conditions: Overcast
Humidity: 55%
Feels Like: 44.8°F
Wind: SSE 3.8 mph
Wind Gusts: 4.3 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0.2

Weather Forecast

Overcast
Sat
H: 67°F
L: 40°F
Overcast
Sun
H: 57°F
L: 41°F
Overcast
Mon
H: 59°F
L: 41°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
10.7 μg/m³
Good
PM10
11.4 μg/m³
Good
Ozone (O3)
14 μg/m³
Photochemical
NO2
17.5 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
134 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 59m daylight
Sunrise 6:56 AM
Solar Noon 11:55 AM
Sunset 4:55 PM
Moon
Waning Crescent • 1%
Moonrise 5:26 AM
Transit 10:41 AM
Moonset 3:47 PM

Best Times for Fishing or Hunting

Major Periods

10:11 AM - 12:41 PM
10:34 PM - 1:04 AM

Minor Periods

4:56 AM - 6:26 AM
3:17 PM - 4:47 PM
Action Rating:
Good Action 3/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 53.8°F
Average Humidity: 55%
Chance of Rain: 57%
Wind: 12.5 mph
UV Index: 2.4

Astronomical

Sun
9h 59m daylight
Sunrise 6:56 AM
Solar Noon 11:55 AM
Sunset 4:55 PM
Moon
Waning Crescent • 1%
Moonrise 5:26 AM
Transit 10:41 AM
Moonset 3:47 PM

Best Times for Fishing or Hunting

Major Periods

10:11 AM - 12:41 PM
10:34 PM - 1:04 AM

Minor Periods

4:56 AM - 6:26 AM
3:17 PM - 4:47 PM
Action Rating:
Good Action 3/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 50.5°F
Average Humidity: 86%
Chance of Rain: 87%
Wind: 7.2 mph
UV Index: 1.8

Astronomical

Sun
9h 56m daylight
Sunrise 6:58 AM
Solar Noon 11:55 AM
Sunset 4:54 PM
Moon
New • 0%
Moonrise 6:35 AM
Transit 11:27 AM
Moonset 4:12 PM

Best Times for Fishing or Hunting

Major Periods

10:57 AM - 1:27 PM
11:21 PM - 1:51 AM

Minor Periods

6:05 AM - 7:35 AM
3:42 PM - 5:12 PM
Action Rating:
Very Good 4/5
Monday, November 9, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 49.1°F
Average Humidity: 88%
Chance of Rain: 87%
Wind: 7.2 mph
UV Index: 3

Astronomical

Sun
9h 54m daylight
Sunrise 6:59 AM
Solar Noon 11:56 AM
Sunset 4:53 PM
Moon
New • 2%
Moonrise 7:43 AM
Transit 12:15 PM
Moonset 4:43 PM

Best Times for Fishing or Hunting

Major Periods

12:10 AM - 2:40 AM
11:45 AM - 2:15 PM

Minor Periods

7:13 AM - 8:43 AM
4:13 PM - 5:43 PM
Action Rating:
Very Good 4/5
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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