Water Temperature of the Cascade River in Marblemount, WA

Current Water Temperature

41.0°F

Measurement Time: Sunday, February 15, 2026, 5:45 PM PST

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

32.5°F
Overcast
Overcast
31.1°F
34.6°F
96%
SW 2.2 mph
2.3 mph
31°F
33.5°F
0 in
100%
9 mi
1008 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Mon
H: 34°F
L: 24°F
Overcast
Tue
H: 29°F
L: 25°F
Partly Cloudy
Wed
H: 28°F
L: 22°F
Moderate or heavy snow showers
Thu
H: 26°F
L: 19°F
Light freezing rain
Fri
H: 28°F
L: 17°F

Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 4.75 μg/m3
Carbon Monoxide: 146.85 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 6.15 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:19 AM
Sunset: 5:29 PM
Daylight: 10 hrs 18 mins
Moonrise: 7:05 AM
Moon Transit: 11:50 AM
Moonset: 4:47 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:24 PM - 9:54 PM
11:20 AM - 1:50 PM

Minor Periods

4:17 PM - 5:47 PM
6:35 AM - 8:05 AM

Action Rating: 4 out of 5

Monday, February 16, 2026

Weather Forecast

Moderate or heavy snow showers
34°F
23.5°F
31°F
79%
0.13 in
74%
5%
4.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.87 μg/m3
PM10: 4.9 μg/m3
Carbon Monoxide: 144.33 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 8.26 μg/m3
Ozone: 92.88 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:19 AM
Sunset: 5:29 PM
Daylight: 10 hrs 18 mins
Moonrise: 7:05 AM
Moon Transit: 11:50 AM
Moonset: 4:47 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:24 PM - 9:54 PM
11:20 AM - 1:50 PM

Minor Periods

4:17 PM - 5:47 PM
6:35 AM - 8:05 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Overcast
28.6°F
25.2°F
26.8°F
72%
0 in
0%
0%
4.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 4.2 μg/m3
Carbon Monoxide: 148.41 μg/m3
Nitrogen Dioxide: 2.72 μg/m3
Sulphur Dioxide: 4.42 μg/m3
Ozone: 86.96 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:19 AM
Sunset: 5:31 PM
Daylight: 10 hrs 21 mins
Moonrise: 7:23 AM
Moon Transit: 12:36 AM
Moonset: 6:03 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:10 PM - 10:40 PM
12:06 AM - 2:36 PM

Minor Periods

5:33 PM - 7:03 PM
6:53 AM - 8:23 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Partly Cloudy
27.5°F
22.3°F
25.6°F
79%
0 in
0%
0%
4.5 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.16 μg/m3
PM10: 4.12 μg/m3
Carbon Monoxide: 150.01 μg/m3
Nitrogen Dioxide: 2.57 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 85.92 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:19 AM
Sunset: 5:32 PM
Daylight: 10 hrs 25 mins
Moonrise: 7:39 AM
Moon Transit: 1:22 PM
Moonset: 7:20 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:52 AM - 3:22 PM

Minor Periods

6:50 PM - 8:20 PM
7:09 AM - 8:39 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Moderate or heavy snow showers
25.5°F
18.5°F
21.5°F
87%
0.15 in
87%
69%
5.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.49 μg/m3
PM10: 4.43 μg/m3
Carbon Monoxide: 150.81 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 86.6 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:19 AM
Sunset: 5:34 PM
Daylight: 10 hrs 28 mins
Moonrise: 7:54 AM
Moon Transit: 1:07 PM
Moonset: 8:39 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:37 AM - 3:07 PM
12:37 AM - 3:07 PM

Minor Periods

8:09 PM - 9:39 PM
7:24 AM - 8:54 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Light freezing rain
27.5°F
17.4°F
20.8°F
86%
0.03 in
62%
52%
4.7 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.34 μg/m3
PM10: 4.25 μg/m3
Carbon Monoxide: 163.6 μg/m3
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 89.08 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:19 AM
Sunset: 5:35 PM
Daylight: 10 hrs 32 mins
Moonrise: 8:10 AM
Moon Transit: 12:00 AM
Moonset: 9:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

9:28 PM - 10:58 PM
7:40 AM - 9:10 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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