Water Temperature of the Skagit River in Marblemount, WA

Current Water Temperature

52.5°F

Measurement Time: Sunday, August 2, 2026, 3:15 PM PDT

Temperature Locations

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Local Points of Interest

Cascade River; Pressentin County Park

Skagit River

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

Elevation Above Sea Level: 325 feet

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

43.3°F
Clear
Clear
40.5°F
43.3°F
93%
ENE 2.2 mph
3.5 mph
40.1°F
41.4°F
0 in
0%
6 mi
1023 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 50°F
L: 41°F
Smoky haze
Mon
H: 71°F
L: 42°F
Smoky haze
Tue
H: 78°F
L: 52°F
Smoky haze
Wed
H: 83°F
L: 56°F
Smoky haze
Thu
H: 81°F
L: 57°F

Air Quality

AQI: 4 - Unhealthy
PM2.5: 5.6 μg/m3
PM10: 6.1 μg/m3
Carbon Monoxide: 85 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 48 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:12 PM
Sunset: 8:42 PM
Daylight: 15 hrs mins
Moonrise: 10:11 PM
Moon Transit: 3:58 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:28 AM - 5:58 AM
3:20 PM - 5:50 PM

Minor Periods

9:41 PM - 11:11 PM
9:46 AM - 11:16 AM

Action Rating: 3 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
49.6°F
41°F
44.8°F
90%
0.02 in
39%
0%
6.3 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 3.31 μg/m3
PM10: 4.1 μg/m3
Carbon Monoxide: 82.17 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 52.83 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:12 PM
Sunset: 8:42 PM
Daylight: 15 hrs mins
Moonrise: 10:11 PM
Moon Transit: 3:58 AM
Moonset: 10:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:28 AM - 5:58 AM
3:20 PM - 5:50 PM

Minor Periods

9:41 PM - 11:11 PM
9:46 AM - 11:16 AM

Action Rating: 3 out of 5

Monday, August 3, 2026

Weather Forecast

Smoky haze
71.3°F
42.1°F
56.4°F
49%
0 in
2%
0%
4.9 mph
4.3


Air Quality

AQI: 2 - Moderate
PM2.5: 39.46 μg/m3
PM10: 40.43 μg/m3
Carbon Monoxide: 315.5 μg/m3
Nitrogen Dioxide: 6.95 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 81.21 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:11 PM
Sunset: 8:40 PM
Daylight: 14 hrs 57 mins
Moonrise: 10:27 PM
Moon Transit: 12:00 AM
Moonset: 11:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

9:57 PM - 11:27 PM
11:00 AM - 12:30 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Smoky haze
77.6°F
51.7°F
64.4°F
38%
0 in
1%
0%
5.4 mph
0.6


Air Quality

AQI: 4 - Unhealthy
PM2.5: 95.01 μg/m3
PM10: 98.71 μg/m3
Carbon Monoxide: 411.21 μg/m3
Nitrogen Dioxide: 9.05 μg/m3
Sulphur Dioxide: 4.18 μg/m3
Ozone: 127 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:11 PM
Sunset: 8:39 PM
Daylight: 14 hrs 54 mins
Moonrise: 10:45 PM
Moon Transit: 5:28 AM
Moonset: 12:48 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
1:02 PM - 3:32 PM

Minor Periods

10:15 PM - 11:45 PM
12:18 AM - 1:48 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Smoky haze
82.5°F
55.6°F
68.6°F
35%
0 in
1%
0%
5.4 mph
4.2


Air Quality

AQI: 4 - Unhealthy
PM2.5: 129.08 μg/m3
PM10: 134.68 μg/m3
Carbon Monoxide: 435.58 μg/m3
Nitrogen Dioxide: 10.16 μg/m3
Sulphur Dioxide: 6.92 μg/m3
Ozone: 181.5 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:11 PM
Sunset: 8:37 PM
Daylight: 14 hrs 51 mins
Moonrise: 11:09 PM
Moon Transit: 6:17 AM
Moonset: 2:09 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
1:53 PM - 4:23 PM

Minor Periods

12:00 AM - 12:00 AM
1:39 PM - 3:09 PM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Smoky haze
80.6°F
56.8°F
68°F
42%
0 in
1%
0%
5.6 mph
7.4


Air Quality

AQI: 4 - Unhealthy
PM2.5: 104.84 μg/m3
PM10: 108.59 μg/m3
Carbon Monoxide: 371.29 μg/m3
Nitrogen Dioxide: 5.16 μg/m3
Sulphur Dioxide: 4.69 μg/m3
Ozone: 170.67 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:11 PM
Sunset: 8:35 PM
Daylight: 14 hrs 48 mins
Moonrise: 12:09 AM
Moon Transit: 7:11 AM
Moonset: 3:32 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:41 AM - 9:11 AM
2:48 PM - 5:18 PM

Minor Periods

3:02 PM - 4:32 PM
12:00 AM - 12:00 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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