Water Temperature of the Cascade River in Marblemount, WA

Current Water Temperature

43.5°F

Measurement Time: Friday, February 27, 2026, 1:45 AM 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

48°F
Overcast
Overcast
46.1°F
28.8°F
80%
SW 4.7 mph
7.4 mph
18.9°F
28.2°F
0 in
100%
9 mi
1027 mbar
1

Five Day Weather Forecast

Light freezing rain
Fri
H: 30°F
L: 27°F
Patchy rain nearby
Sat
H: 39°F
L: 28°F
Partly Cloudy
Sun
H: 45°F
L: 22°F
Sunny
Mon
H: 42°F
L: 30°F
Patchy rain nearby
Tue
H: 41°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 3.05 μg/m3
PM10: 3.75 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 4.35 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:18 AM
Sunset: 5:47 PM
Daylight: 10 hrs 56 mins
Moonrise: 1:12 PM
Moon Transit: 9:38 PM
Moonset: 5:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
9:08 PM - 11:38 PM

Minor Periods

12:42 AM - 2:12 PM
4:44 AM - 6:14 AM

Action Rating: 3 out of 5

Winter Weather Advisory issued February 26 at 7:48PM PST until February 27 at 4:00AM PST by NWS Seattle WA

Effective: Thu February 26, 2026, 7:48 PM
Expires: Fri February 27, 2026, 4:00 AM

* WHAT...Snow. Additional snow accumulations up to 1-3 inches. Winds gusting as high as 35 mph. * WHERE...Cascades of Whatcom and Skagit Counties. * WHEN...Until 4 AM PST Friday. * IMPACTS...Snow-covered roads may make travel conditions difficult at times through the mountains and cause delays. Temporary road closures possible. Gusty winds may down tree branches.

Slow down and use caution while traveling. Prepare for possible power outages.


Winter Weather Advisory issued February 26 at 7:48PM PST until February 27 at 4:00AM PST by NWS Seattle WA

Effective: Thu February 26, 2026, 7:48 PM
Expires: Fri February 27, 2026, 4:00 AM

* WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 35 mph. * WHERE...Cascades of Snohomish and Northern King Counties. * WHEN...Until 4 AM PST Friday. * IMPACTS...Snow-covered roads and travel delays possible across the passes. Expect difficult travel conditions at times. Temporary pass closures possible. Gusty winds may down tree branches.

Slow down and use caution while traveling. Prepare for possible power outages.
Friday, February 27, 2026

Weather Forecast

Light freezing rain
29.7°F
27.3°F
29.5°F
98%
0.11 in
73%
48%
5.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 1.79 μg/m3
PM10: 2.07 μg/m3
Carbon Monoxide: 156.89 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 79.96 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:18 AM
Sunset: 5:47 PM
Daylight: 10 hrs 56 mins
Moonrise: 1:12 PM
Moon Transit: 9:38 PM
Moonset: 5:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
9:08 PM - 11:38 PM

Minor Periods

12:42 AM - 2:12 PM
4:44 AM - 6:14 AM

Action Rating: 3 out of 5

Saturday, February 28, 2026

Weather Forecast

Patchy rain nearby
39°F
28.2°F
35.5°F
80%
0.04 in
87%
0%
4.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 3.32 μg/m3
PM10: 4.14 μg/m3
Carbon Monoxide: 151.97 μg/m3
Nitrogen Dioxide: 2.64 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 85.84 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:18 AM
Sunset: 5:48 PM
Daylight: 10 hrs 59 mins
Moonrise: 2:36 PM
Moon Transit: 10:33 PM
Moonset: 5:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

5:15 AM - 7:45 AM
12:00 AM - 12:00 AM

Minor Periods

2:06 PM - 3:36 PM
5:17 AM - 6:47 AM

Action Rating: 3 out of 5

Sunday, March 1, 2026

Weather Forecast

Partly Cloudy
45°F
22.1°F
34.1°F
78%
0 in
0%
0%
4.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 1.91 μg/m3
PM10: 2.18 μg/m3
Carbon Monoxide: 137.49 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 91.12 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:17 AM
Sunset: 5:50 PM
Daylight: 11 hrs 3 mins
Moonrise: 3:58 PM
Moon Transit: 11:23 PM
Moonset: 6:12 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

6:08 AM - 8:38 AM
12:00 AM - 12:00 AM

Minor Periods

3:28 PM - 4:58 PM
5:42 AM - 7:12 AM

Action Rating: 3 out of 5

Monday, March 2, 2026

Weather Forecast

Sunny
42°F
29.7°F
35.1°F
70%
0 in
0%
0%
4 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 2.87 μg/m3
PM10: 3.44 μg/m3
Carbon Monoxide: 135.29 μg/m3
Nitrogen Dioxide: 2.48 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 99.04 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:17 AM
Sunset: 5:51 PM
Daylight: 11 hrs 6 mins
Moonrise: 5:17 PM
Moon Transit: 12:00 AM
Moonset: 6:32 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:58 AM - 9:28 AM

Minor Periods

4:47 PM - 6:17 PM
6:02 AM - 7:32 AM

Action Rating: 5 out of 5

Tuesday, March 3, 2026

Weather Forecast

Patchy rain nearby
41.4°F
32.1°F
37°F
78%
0.01 in
86%
0%
3.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.64 μg/m3
PM10: 6.57 μg/m3
Carbon Monoxide: 161.31 μg/m3
Nitrogen Dioxide: 2.92 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 99 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:17 AM
Sunset: 5:53 PM
Daylight: 11 hrs 10 mins
Moonrise: 6:34 PM
Moon Transit: 12:10 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:44 AM - 10:14 AM

Minor Periods

6:04 PM - 7:34 PM
6:17 AM - 7:47 AM

Action Rating: 5 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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