Water Temperature of the Skagit River in Marblemount, WA

Current Water Temperature

54.3°F

Measurement Time: Wednesday, September 17, 2025, 5:45 AM PDT

Temperature Locations

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Local Points of Interest

Cascade River; Pressentin County Park

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Skagit River

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

Elevation Above Sea Level: 325 feet / 99 meters

Nearest Address:
60318 N Cascades Hwy
Marblemount, WA 98267
Skagit County

GPS Coordinates: 48.5337306, -121.4298499

Nearby Water Temperatures

Cascade River, Marblemount, WA (0.8 mi)
Bacon Creek, Marblemount, WA (5.1 mi)
Sauk River, Concrete, WA (9.9 mi)
Skagit River, Newhalem, WA (12.7 mi)
Sauk River, Darrington, WA (20.9 mi)
Big Beaver Creek, Diablo, WA (23.4 mi)
Ruby Creek, Newhalem, WA (23.9 mi)
Sauk River, Darrington, WA (25.3 mi)
North Fork Nooksack River, Glacier, WA (31.9 mi)
Skookum Creek, Doran, WA (33.8 mi)
South Fork Nooksack River, Doran, WA (35.1 mi)
South Fork Sultan River, Sultan, WA (41.5 mi)
Skagit River, Burlington, WA (41.9 mi)
Sultan River, Lake Roesiger, WA (43.1 mi)
Nooksack River, Cedarville, WA (44.8 mi)

Weather for Marblemount, Washington

Current Weather

72°F
Sunny
Conditions: Sunny
Humidity: 48%
Feels Like: 76.2°F
Wind: W 5.6 mph
Wind Gusts: 6.4 mph
Pressure: 30.11 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 5.4

Five Day Weather Forecast

Sunny
Wed
H: 68°F
L: 52°F
Mist
Thu
H: 59°F
L: 45°F
Sunny
Fri
H: 67°F
L: 51°F
Patchy rain nearby
Sat
H: 67°F
L: 50°F
Heavy rain
Sun
H: 55°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 10.92 μg/m3
PM10: 12.03 μg/m3
Carbon Monoxide: 305.25 μg/m3
Nitrogen Dioxide: 6.48 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:00 PM
Sunset: 7:13 PM
Daylight: 12 hrs 27 mins
Moonrise: 1:43 AM
Moon Transit: 9:57 AM
Moonset: 5:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

5:32 PM - 8:02 PM
9:27 AM - 11:57 AM

Minor Periods

5:23 PM - 6:53 PM
1:13 AM - 2:43 AM

Action Rating: 3 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 59.9°F
Average Humidity: 64%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 10.73 μg/m3
PM10: 11.44 μg/m3
Carbon Monoxide: 270.4 μg/m3
Nitrogen Dioxide: 4.67 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 81.84 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:00 PM
Sunset: 7:13 PM
Daylight: 12 hrs 27 mins
Moonrise: 1:43 AM
Moon Transit: 9:57 AM
Moonset: 5:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

5:32 PM - 8:02 PM
9:27 AM - 11:57 AM

Minor Periods

5:23 PM - 6:53 PM
1:13 AM - 2:43 AM

Action Rating: 3 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 53.5°F
Average Humidity: 89%
Chance of Rain: 0%
Wind: 5.4 mph
UV Index: 1.1

Air Quality

AQI: 2 - Moderate
PM2.5: 16.08 μg/m3
PM10: 16.88 μg/m3
Carbon Monoxide: 295.04 μg/m3
Nitrogen Dioxide: 5.7 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 85.2 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:00 PM
Sunset: 7:11 PM
Daylight: 12 hrs 23 mins
Moonrise: 3:02 AM
Moon Transit: 10:47 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

6:20 PM - 8:50 PM
10:17 AM - 12:47 AM

Minor Periods

5:44 PM - 7:14 PM
2:32 AM - 4:02 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.8°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 5.1 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 16.39 μg/m3
PM10: 16.98 μg/m3
Carbon Monoxide: 331.45 μg/m3
Nitrogen Dioxide: 8.15 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 77.12 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 1:00 PM
Sunset: 7:09 PM
Daylight: 12 hrs 20 mins
Moonrise: 4:19 AM
Moon Transit: 11:32 AM
Moonset: 6:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

7:05 PM - 9:35 PM
11:02 AM - 1:32 PM

Minor Periods

6:00 PM - 7:30 PM
3:49 AM - 5:19 AM

Action Rating: 4 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 57°F
Average Humidity: 78%
Chance of Rain: 68%
Wind: 5.8 mph
UV Index: 0.8

Air Quality

AQI: 2 - Moderate
PM2.5: 20.31 μg/m3
PM10: 20.98 μg/m3
Carbon Monoxide: 315.83 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 2.12 μg/m3
Ozone: 91.12 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:58 AM
Sunset: 7:07 PM
Daylight: 12 hrs 16 mins
Moonrise: 5:32 AM
Moon Transit: 12:15 AM
Moonset: 6:44 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

7:48 PM - 10:18 PM
11:45 AM - 2:15 PM

Minor Periods

6:14 PM - 7:44 PM
5:02 AM - 6:32 AM

Action Rating: 3 out of 5

Sunday, September 21, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 48.6°F
Average Humidity: 87%
Chance of Rain: 82%
Wind: 6.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.59 μg/m3
PM10: 7.64 μg/m3
Carbon Monoxide: 247.47 μg/m3
Nitrogen Dioxide: 4.58 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 68.15 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 12:58 AM
Sunset: 7:05 PM
Daylight: 12 hrs 13 mins
Moonrise: 6:43 AM
Moon Transit: 12:57 AM
Moonset: 6:57 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

8:28 PM - 10:58 PM
12:27 AM - 2:57 PM

Minor Periods

6:27 PM - 7:57 PM
6:13 AM - 7:43 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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