Water Temperature of the Cascade River in Marblemount, WA

Current Water Temperature

56.5°F

Measurement Time: Thursday, August 7, 2025, 1:45 PM PDT

Temperature Locations

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Local Points of Interest

Skagit River

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Cascade River

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

Elevation Above Sea Level: 348 feet / 106 meters

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

56.6°F
Cloudy
Conditions: Cloudy
Humidity: 85%
Feels Like: 55.6°F
Wind: W 2.2 mph
Wind Gusts: 2.8 mph
Pressure: 30.17 in
Precipitation: 0 in
Cloud Cover: 73%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 56°F
L: 46°F
Partly Cloudy
Fri
H: 63°F
L: 48°F
Sunny
Sat
H: 69°F
L: 50°F
Sunny
Sun
H: 85°F
L: 59°F
Sunny
Mon
H: 80°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 12.4 μg/m3
PM10: 12.95 μg/m3
Carbon Monoxide: 205.35 μg/m3
Nitrogen Dioxide: 15.73 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:11 PM
Sunset: 8:33 PM
Daylight: 14 hrs 45 mins
Moonrise: 8:15 PM
Moon Transit: 12:00 AM
Moonset: 3:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:06 AM - 9:36 AM

Minor Periods

7:45 PM - 9:15 PM
2:53 AM - 4:23 AM

Action Rating: 2 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 53.7°F
Average Humidity: 88%
Chance of Rain: 73%
Wind: 6 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 2.35 μg/m3
PM10: 2.76 μg/m3
Carbon Monoxide: 183.45 μg/m3
Nitrogen Dioxide: 3.89 μg/m3
Sulphur Dioxide: 0.49 μg/m3
Ozone: 47.56 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:11 PM
Sunset: 8:33 PM
Daylight: 14 hrs 45 mins
Moonrise: 8:15 PM
Moon Transit: 12:00 AM
Moonset: 3:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:06 AM - 9:36 AM

Minor Periods

7:45 PM - 9:15 PM
2:53 AM - 4:23 AM

Action Rating: 2 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 56.7°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 7.53 μg/m3
PM10: 8.06 μg/m3
Carbon Monoxide: 201.06 μg/m3
Nitrogen Dioxide: 6.23 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 56.28 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:11 PM
Sunset: 8:32 PM
Daylight: 14 hrs 42 mins
Moonrise: 8:40 PM
Moon Transit: 12:23 AM
Moonset: 4:41 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:59 AM - 10:29 AM

Minor Periods

8:10 PM - 9:40 PM
4:11 AM - 5:41 AM

Action Rating: 5 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 58.3°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 5.1 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 8.92 μg/m3
PM10: 9.42 μg/m3
Carbon Monoxide: 207.57 μg/m3
Nitrogen Dioxide: 6.93 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 63.76 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:11 PM
Sunset: 8:30 PM
Daylight: 14 hrs 39 mins
Moonrise: 9:00 PM
Moon Transit: 1:15 AM
Moonset: 6:02 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:45 AM - 3:15 AM
8:50 AM - 11:20 AM

Minor Periods

8:30 PM - 10:00 PM
5:32 AM - 7:02 AM

Action Rating: 5 out of 5

Sunday, August 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.6°F
Average Humidity: 62%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 13.08 μg/m3
PM10: 14.05 μg/m3
Carbon Monoxide: 199.36 μg/m3
Nitrogen Dioxide: 8.34 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 63.68 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:10 PM
Sunset: 8:28 PM
Daylight: 14 hrs 35 mins
Moonrise: 9:16 PM
Moon Transit: 2:04 AM
Moonset: 7:22 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:34 AM - 4:04 AM
9:39 AM - 12:09 AM

Minor Periods

8:46 PM - 10:16 PM
6:52 AM - 8:22 AM

Action Rating: 4 out of 5

Monday, August 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 66.5°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 14.76 μg/m3
PM10: 15.91 μg/m3
Carbon Monoxide: 252.45 μg/m3
Nitrogen Dioxide: 13.32 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 59.46 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:10 PM
Sunset: 8:27 PM
Daylight: 14 hrs 32 mins
Moonrise: 9:32 PM
Moon Transit: 2:52 AM
Moonset: 8:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

2:22 AM - 4:52 AM
10:26 AM - 12:56 AM

Minor Periods

9:02 PM - 10:32 PM
8:13 AM - 9:43 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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