Water Temperature of the Cascade River in Marblemount, WA

Current Water Temperature

42.4°F

Measurement Time: Wednesday, April 15, 2026, 3:45 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

27.1°F
Cloudy
Cloudy
18.4°F
27.1°F
79%
W 3.8 mph
5.4 mph
18.4°F
22.5°F
0 in
86%
4 mi
1009 mbar
2.8

Five Day Weather Forecast

Thundery outbreaks in nearby
Wed
H: 30°F
L: 24°F
Moderate or heavy snow showers
Thu
H: 32°F
L: 23°F
Partly Cloudy
Fri
H: 41°F
L: 26°F
Cloudy
Sat
H: 47°F
L: 28°F
Sunny
Sun
H: 59°F
L: 34°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 5.95 μg/m3
Carbon Monoxide: 156.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 98 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:05 PM
Sunset: 7:57 PM
Daylight: 13 hrs 42 mins
Moonrise: 5:19 AM
Moon Transit: 8:33 AM
Moonset: 6:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

5:40 PM - 7:10 PM
4:49 AM - 6:19 AM

Action Rating: 3 out of 5

Winter Storm Warning issued April 14 at 9:55PM PDT until April 15 at 11:00PM PDT by NWS Seattle WA

Effective: Tue April 14, 2026, 9:55 PM
Expires: Wed April 15, 2026, 6:00 AM

* WHAT...Heavy snow. Total snow accumulations between 8 and 18 inches. Winds gusting as high as 40 mph. * WHERE...Cascades of Snohomish and Northern King Counties, Cascades of Whatcom and Skagit Counties, Cascades of Pierce and Lewis Counties, and Cascades of Southern King County. * WHEN...Until 11 PM PDT Wednesday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Heavy snow will be possible for areas above 2500 feet. The heaviest snow will fall tonight through Wednesday morning.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages.


Winter Storm Warning issued April 15 at 5:26AM PDT until April 15 at 11:00PM PDT by NWS Seattle WA

Effective: Wed April 15, 2026, 5:26 AM
Expires: Wed April 15, 2026, 1:30 PM

* WHAT...Heavy snow. Total snow accumulations between 8 and 18 inches. * WHERE...Cascades of Snohomish and Northern King Counties, Cascades of Whatcom and Skagit Counties, Cascades of Pierce and Lewis Counties, and Cascades of Southern King County. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Travel could be very difficult.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages.
Wednesday, April 15, 2026

Weather Forecast

Thundery outbreaks in nearby
29.5°F
23.7°F
28.5°F
91%
0.2 in
81%
6%
5.1 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.09 μg/m3
PM10: 2.69 μg/m3
Carbon Monoxide: 160.49 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 95.16 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:05 PM
Sunset: 7:57 PM
Daylight: 13 hrs 42 mins
Moonrise: 5:19 AM
Moon Transit: 8:33 AM
Moonset: 6:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

5:40 PM - 7:10 PM
4:49 AM - 6:19 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Moderate or heavy snow showers
32.4°F
22.8°F
30.6°F
90%
0.08 in
75%
10%
4.3 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.76 μg/m3
PM10: 3.5 μg/m3
Carbon Monoxide: 156.69 μg/m3
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 87.16 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:05 PM
Sunset: 7:59 PM
Daylight: 13 hrs 46 mins
Moonrise: 5:35 AM
Moon Transit: 12:25 AM
Moonset: 7:33 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

8:00 PM - 10:30 PM
11:55 AM - 2:25 PM

Minor Periods

7:03 PM - 8:33 PM
5:05 AM - 6:35 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Partly Cloudy
40.6°F
26.2°F
33.5°F
81%
0 in
0%
0%
3.8 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 4.31 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 155.89 μg/m3
Nitrogen Dioxide: 2.66 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 93.44 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:05 PM
Sunset: 8:00 PM
Daylight: 13 hrs 49 mins
Moonrise: 5:55 AM
Moon Transit: 1:17 PM
Moonset: 9:01 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

8:54 PM - 11:24 PM
12:47 AM - 3:17 PM

Minor Periods

8:31 PM - 10:01 PM
5:25 AM - 6:55 AM

Action Rating: 3 out of 5

Saturday, April 18, 2026

Weather Forecast

Cloudy
47.3°F
27.5°F
38°F
86%
0 in
0%
0%
5.8 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 5.39 μg/m3
Carbon Monoxide: 144.02 μg/m3
Nitrogen Dioxide: 2.21 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 103.76 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:04 PM
Sunset: 8:02 PM
Daylight: 13 hrs 52 mins
Moonrise: 6:19 AM
Moon Transit: 2:14 PM
Moonset: 10:31 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:44 PM - 4:14 PM

Minor Periods

10:01 PM - 11:31 PM
5:49 AM - 7:19 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Sunny
58.8°F
34.2°F
46.1°F
78%
0 in
0%
0%
7.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.92 μg/m3
PM10: 6.58 μg/m3
Carbon Monoxide: 156.02 μg/m3
Nitrogen Dioxide: 2.68 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 105 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:04 PM
Sunset: 8:03 PM
Daylight: 13 hrs 56 mins
Moonrise: 6:51 AM
Moon Transit: 3:16 PM
Moonset: 11:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:46 PM - 5:16 PM

Minor Periods

12:00 AM - 12:00 AM
6:21 AM - 7:51 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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