Water Temperature of the Cascade River in Marblemount, WA

Current Water Temperature

51.8°F

Measurement Time: Wednesday, May 27, 2026, 7:45 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

58.4°F
Sunny
Sunny
57.9°F
58.4°F
92%
NW 2.2 mph
2.6 mph
57.9°F
56.4°F
0 in
0%
6 mi
1009 mbar
5.7

Five Day Weather Forecast

Sunny
Wed
H: 59°F
L: 39°F
Patchy rain nearby
Thu
H: 74°F
L: 53°F
Patchy rain nearby
Fri
H: 50°F
L: 36°F
Partly Cloudy
Sat
H: 50°F
L: 31°F
Partly Cloudy
Sun
H: 55°F
L: 34°F

Air Quality

AQI: 1 - Good
PM2.5: 9.85 μg/m3
PM10: 12.15 μg/m3
Carbon Monoxide: 144.85 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:02 PM
Sunset: 8:55 PM
Daylight: 15 hrs 43 mins
Moonrise: 5:41 PM
Moon Transit: 10:37 PM
Moonset: 3:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
12:00 AM - 12:00 AM

Minor Periods

5:11 PM - 6:41 PM
2:36 AM - 4:06 AM

Action Rating: 3 out of 5

Wednesday, May 27, 2026

Weather Forecast

Sunny
59.2°F
38.8°F
50.8°F
83%
0 in
0%
0%
3.8 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 5.89 μg/m3
PM10: 8.51 μg/m3
Carbon Monoxide: 118.93 μg/m3
Nitrogen Dioxide: 3.81 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 69.76 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 1:02 PM
Sunset: 8:55 PM
Daylight: 15 hrs 43 mins
Moonrise: 5:41 PM
Moon Transit: 10:37 PM
Moonset: 3:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
12:00 AM - 12:00 AM

Minor Periods

5:11 PM - 6:41 PM
2:36 AM - 4:06 AM

Action Rating: 3 out of 5

Thursday, May 28, 2026

Weather Forecast

Patchy rain nearby
74.3°F
53.1°F
62.5°F
64%
0.02 in
81%
0%
6.5 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 9.3 μg/m3
PM10: 12.52 μg/m3
Carbon Monoxide: 136.45 μg/m3
Nitrogen Dioxide: 3.62 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 75.92 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 1:03 PM
Sunset: 8:56 PM
Daylight: 15 hrs 45 mins
Moonrise: 6:52 PM
Moon Transit: 11:21 PM
Moonset: 3:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
12:00 AM - 12:00 AM

Minor Periods

6:22 PM - 7:52 PM
2:52 AM - 4:22 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Patchy rain nearby
50.1°F
36.4°F
45.3°F
77%
0.03 in
88%
0%
6.9 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 7.6 μg/m3
Carbon Monoxide: 112.15 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 73.68 μg/m3

Astronomical

Sunrise: 5:10 AM
Sun Transit: 1:03 PM
Sunset: 8:57 PM
Daylight: 15 hrs 47 mins
Moonrise: 8:02 PM
Moon Transit: 12:00 AM
Moonset: 3:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:55 AM - 9:25 AM

Minor Periods

7:32 PM - 9:02 PM
3:13 AM - 4:43 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Partly Cloudy
50.2°F
30.8°F
41°F
68%
0 in
0%
0%
6.7 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 5.78 μg/m3
PM10: 8.19 μg/m3
Carbon Monoxide: 121.6 μg/m3
Nitrogen Dioxide: 2.49 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 74.4 μg/m3

Astronomical

Sunrise: 5:09 AM
Sun Transit: 1:03 PM
Sunset: 8:58 PM
Daylight: 15 hrs 49 mins
Moonrise: 9:09 PM
Moon Transit: 12:09 AM
Moonset: 4:10 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:43 AM - 10:13 AM

Minor Periods

8:39 PM - 10:09 PM
3:40 AM - 5:10 AM

Action Rating: 5 out of 5

Sunday, May 31, 2026

Weather Forecast

Partly Cloudy
55.2°F
34.4°F
44.9°F
70%
0 in
0%
0%
6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.43 μg/m3
PM10: 11.4 μg/m3
Carbon Monoxide: 127.23 μg/m3
Nitrogen Dioxide: 4.2 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 63.62 μg/m3

Astronomical

Sunrise: 5:09 AM
Sun Transit: 1:03 PM
Sunset: 8:59 PM
Daylight: 15 hrs 50 mins
Moonrise: 10:10 PM
Moon Transit: 12:58 AM
Moonset: 4:44 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
8:33 AM - 11:03 AM

Minor Periods

9:40 PM - 11:10 PM
4:14 AM - 5:44 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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