Water Temperature of the Cedar River in Maple Valley, WA

Current Water Temperature

46.4°F

Measurement Time: Wednesday, April 8, 2026, 12:00 AM PDT

Temperature Locations

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Local Points of Interest

Landsburg Reach Natural Area; Big Bend Natural Area Park; Hobart, WA; Landsburg, WA; Ravensdale, WA

Cedar River

Station Name: CEDAR RIVER BELOW DIVERSION NEAR LANDSBURG, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 558 feet

Nearest Address:
Cedar River Trail
Maple Valley, WA 98038
King County

GPS Coordinates: 47.3795458, -121.983448

Nearby Water Temperatures

Cedar River, Hobart, WA (1.7 mi)
Taylor Creek, Selleck, WA (6.4 mi)
Cedar River, Cedar Falls, WA (9.3 mi)
Cedar River, Cedar Falls, WA (9.8 mi)
Canyon Creek, Cedar Falls, WA (10.5 mi)
Cedar River, Renton, WA (12.5 mi)
White River, Auburn, WA (12.8 mi)
White River, Buckley, WA (14.5 mi)
Duwamish River, Tukwila, WA (14.6 mi)
Lake Tapps Diversion, Sumner, WA (15.1 mi)
Rex River, Garcia, WA (15.1 mi)
White River, Sumner, WA (15.5 mi)
Duwamish River, Tukwila, WA (16.5 mi)
Cedar River, Garcia, WA (16.8 mi)
Cedar River, Bandera, WA (20.5 mi)

Weather for Maple Valley, Washington

Current Weather

39.9°F
Sunny
Sunny
39.3°F
40.5°F
73%
ESE 2.2 mph
4.2 mph
38.7°F
23.2°F
0 in
25%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 62°F
L: 38°F
Sunny
Thu
H: 66°F
L: 41°F
Partly Cloudy
Fri
H: 66°F
L: 49°F
Moderate rain
Sat
H: 54°F
L: 45°F
Patchy rain nearby
Sun
H: 59°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 5.55 μg/m3
Carbon Monoxide: 179.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 99 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:09 PM
Sunset: 7:48 PM
Daylight: 13 hrs 15 mins
Moonrise: 2:20 AM
Moon Transit: 6:03 AM
Moonset: 9:48 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:33 AM - 8:03 AM
1:33 PM - 4:03 PM

Minor Periods

9:18 AM - 10:48 AM
1:50 AM - 3:20 AM

Action Rating: 2 out of 5

Frost Advisory issued April 8 at 2:53AM PDT until April 8 at 9:00AM PDT by NWS Seattle WA

Effective: Wed April 8, 2026, 2:53 AM
Expires: Wed April 8, 2026, 9:00 AM

* WHAT...Temperatures as low as 32 to 36 will result in frost formation. * WHERE...Eastern Strait of Juan de Fuca, Foothills and Valleys of the North Cascades, Foothills of the Western and Southern Olympic Peninsula, Lake Crescent Area Including US 101, Lowlands of Western Whatcom County, Foothills and Valleys of Central King County, Foothills and Valleys of Pierce and Southern King Counties, and Foothills and Valleys of Snohomish and Northern King Counties. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.
Wednesday, April 8, 2026

Weather Forecast

Sunny
61.5°F
38.3°F
48.4°F
54%
0 in
0%
0%
4.5 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 7.32 μg/m3
PM10: 8.34 μg/m3
Carbon Monoxide: 208.49 μg/m3
Nitrogen Dioxide: 10.69 μg/m3
Sulphur Dioxide: 2.5 μg/m3
Ozone: 72.32 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:09 PM
Sunset: 7:48 PM
Daylight: 13 hrs 15 mins
Moonrise: 2:20 AM
Moon Transit: 6:03 AM
Moonset: 9:48 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

5:33 AM - 8:03 AM
1:33 PM - 4:03 PM

Minor Periods

9:18 AM - 10:48 AM
1:50 AM - 3:20 AM

Action Rating: 2 out of 5

Thursday, April 9, 2026

Weather Forecast

Sunny
66.2°F
40.8°F
52.8°F
65%
0 in
0%
0%
5.4 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 8.8 μg/m3
PM10: 9.27 μg/m3
Carbon Monoxide: 224.17 μg/m3
Nitrogen Dioxide: 12.38 μg/m3
Sulphur Dioxide: 2.87 μg/m3
Ozone: 75.64 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:09 PM
Sunset: 7:49 PM
Daylight: 13 hrs 18 mins
Moonrise: 3:04 AM
Moon Transit: 6:54 AM
Moonset: 10:49 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:24 AM - 8:54 AM
2:24 PM - 4:54 PM

Minor Periods

10:19 AM - 11:49 AM
2:34 AM - 4:04 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Partly Cloudy
66.4°F
48.7°F
57.2°F
51%
0 in
0%
0%
4 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 7.34 μg/m3
PM10: 7.76 μg/m3
Carbon Monoxide: 198.89 μg/m3
Nitrogen Dioxide: 9.87 μg/m3
Sulphur Dioxide: 2.5 μg/m3
Ozone: 82.56 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:09 PM
Sunset: 7:50 PM
Daylight: 13 hrs 22 mins
Moonrise: 3:39 AM
Moon Transit: 7:44 AM
Moonset: 11:56 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:14 AM - 9:44 AM
3:14 PM - 5:44 PM

Minor Periods

11:26 AM - 12:56 AM
3:09 AM - 4:39 AM

Action Rating: 2 out of 5

Saturday, April 11, 2026

Weather Forecast

Moderate rain
54°F
44.6°F
46.9°F
91%
0.56 in
87%
0%
3.6 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 5.61 μg/m3
PM10: 6.37 μg/m3
Carbon Monoxide: 188.41 μg/m3
Nitrogen Dioxide: 5.83 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 79.28 μg/m3

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:08 PM
Sunset: 7:52 PM
Daylight: 13 hrs 25 mins
Moonrise: 4:07 AM
Moon Transit: 8:33 AM
Moonset: 1:08 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
4:02 PM - 6:32 PM

Minor Periods

12:38 AM - 2:08 PM
3:37 AM - 5:07 AM

Action Rating: 2 out of 5

Sunday, April 12, 2026

Weather Forecast

Patchy rain nearby
59.3°F
41.8°F
47°F
90%
0.01 in
79%
0%
8.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.12 μg/m3
PM10: 2.45 μg/m3
Carbon Monoxide: 165.5 μg/m3
Nitrogen Dioxide: 4.28 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 79.77 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:08 PM
Sunset: 7:53 PM
Daylight: 13 hrs 28 mins
Moonrise: 4:30 AM
Moon Transit: 9:20 AM
Moonset: 2:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:50 AM - 11:20 AM
4:49 PM - 7:19 PM

Minor Periods

1:52 PM - 3:22 PM
4:00 AM - 5:30 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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