Water Temperature of the Cascade River in Marblemount, WA

Current Water Temperature

47.7°F

Measurement Time: Tuesday, April 21, 2026, 5:45 AM PDT

Temperature Locations

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Local Points of Interest

Skagit River

Cascade River

Station Name: CASCADE RIVER AT MARBLEMOUNT, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 348 feet

Nearest Address:
5901 S Cascade Rd
Marblemount, WA 98267
Skagit County

GPS Coordinates: 48.5262307, -121.4154046

Nearby Water Temperatures

Skagit River, Marblemount, WA (0.8 mi)
Bacon Creek, Marblemount, WA (5.5 mi)
Sauk River, Concrete, WA (9.9 mi)
Skagit River, Newhalem, WA (12.7 mi)
Sauk River, Darrington, WA (20.6 mi)
Big Beaver Creek, Diablo, WA (23.4 mi)
Ruby Creek, Newhalem, WA (23.6 mi)
Sauk River, Darrington, WA (24.8 mi)
North Fork Nooksack River, Glacier, WA (32.7 mi)
Skookum Creek, Doran, WA (34.6 mi)
South Fork Nooksack River, Doran, WA (35.9 mi)
South Fork Sultan River, Sultan, WA (41.2 mi)
Skagit River, Burlington, WA (42.5 mi)
Sultan River, Lake Roesiger, WA (42.9 mi)
Nooksack River, Cedarville, WA (45.6 mi)

Weather for Marblemount, Washington

Current Weather

51.7°F
Sunny
Sunny
49.6°F
51.7°F
84%
W 4.7 mph
6.1 mph
49.6°F
44°F
0 in
0%
6 mi
1005 mbar
5.1

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 55°F
L: 40°F
Moderate rain
Wed
H: 37°F
L: 36°F
Moderate rain
Thu
H: 43°F
L: 33°F
Sunny
Fri
H: 49°F
L: 33°F
Patchy rain nearby
Sat
H: 51°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 11.95 μg/m3
PM10: 18.05 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:04 PM
Sunset: 8:06 PM
Daylight: 14 hrs 3 mins
Moonrise: 8:35 AM
Moon Transit: 5:25 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
4:55 PM - 7:25 PM

Minor Periods

8:05 AM - 9:35 AM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Patchy rain nearby
55.3°F
39.6°F
45°F
71%
0.08 in
93%
0%
6.9 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 9.49 μg/m3
PM10: 15.89 μg/m3
Carbon Monoxide: 163.61 μg/m3
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 101.68 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:04 PM
Sunset: 8:06 PM
Daylight: 14 hrs 3 mins
Moonrise: 8:35 AM
Moon Transit: 5:25 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
4:55 PM - 7:25 PM

Minor Periods

8:05 AM - 9:35 AM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Wednesday, April 22, 2026

Weather Forecast

Moderate rain
37.2°F
35.6°F
36.9°F
98%
0.47 in
90%
0%
4 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.65 μg/m3
PM10: 6.81 μg/m3
Carbon Monoxide: 147.81 μg/m3
Nitrogen Dioxide: 3.44 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 83.8 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:04 PM
Sunset: 8:08 PM
Daylight: 14 hrs 6 mins
Moonrise: 9:48 AM
Moon Transit: 6:27 PM
Moonset: 2:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

1:04 AM - 3:34 AM
5:57 PM - 8:27 PM

Minor Periods

9:18 AM - 10:48 AM
1:40 AM - 3:10 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Moderate rain
43.3°F
32.7°F
36.6°F
88%
0.28 in
89%
26%
5.6 mph
3.7


Air Quality

AQI: 1 - Good
PM2.5: 2.99 μg/m3
PM10: 4.07 μg/m3
Carbon Monoxide: 161.09 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 78.92 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:03 PM
Sunset: 8:09 PM
Daylight: 14 hrs 9 mins
Moonrise: 11:10 AM
Moon Transit: 7:24 PM
Moonset: 2:52 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

2:05 AM - 4:35 AM
6:54 PM - 9:24 PM

Minor Periods

10:40 AM - 12:10 AM
2:22 AM - 3:52 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Sunny
49.1°F
32.9°F
41.4°F
54%
0 in
0%
0%
5.8 mph
5.6


Air Quality

AQI: 1 - Good
PM2.5: 4.02 μg/m3
PM10: 5.04 μg/m3
Carbon Monoxide: 144.48 μg/m3
Nitrogen Dioxide: 2.41 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 95.08 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:03 PM
Sunset: 8:11 PM
Daylight: 14 hrs 13 mins
Moonrise: 12:32 AM
Moon Transit: 8:16 PM
Moonset: 3:21 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
7:46 PM - 10:16 PM

Minor Periods

12:02 AM - 1:32 PM
2:51 AM - 4:21 AM

Action Rating: 4 out of 5

Saturday, April 25, 2026

Weather Forecast

Patchy rain nearby
50.6°F
34.9°F
42°F
48%
0.03 in
84%
0%
5.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 2.45 μg/m3
Carbon Monoxide: 136.95 μg/m3
Nitrogen Dioxide: 2.48 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 111.08 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:03 PM
Sunset: 8:12 PM
Daylight: 14 hrs 16 mins
Moonrise: 1:50 PM
Moon Transit: 9:04 PM
Moonset: 3:43 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

3:51 AM - 6:21 AM
8:34 PM - 11:04 PM

Minor Periods

1:20 PM - 2:50 PM
3:13 AM - 4:43 AM

Action Rating: 4 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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