Water Temperature of the Skagit River in Marblemount, WA

Current Water Temperature

56.3°F

Measurement Time: Friday, July 24, 2026, 6:45 AM 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

66.4°F
Sunny
Sunny
55.9°F
66.4°F
77%
W 5.8 mph
6.7 mph
66.4°F
58.8°F
0 in
0%
6 mi
1011 mbar
8.1

Five Day Weather Forecast

Sunny
Fri
H: 68°F
L: 52°F
Sunny
Sat
H: 70°F
L: 51°F
Patchy rain nearby
Sun
H: 64°F
L: 48°F
Sunny
Mon
H: 66°F
L: 48°F
Sunny
Tue
H: 70°F
L: 49°F

Air Quality

AQI: 2 - Moderate
PM2.5: 7.1 μg/m3
PM10: 7.9 μg/m3
Carbon Monoxide: 117 μg/m3
Nitrogen Dioxide: 0.2 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 93 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:12 PM
Sunset: 8:54 PM
Daylight: 15 hrs 24 mins
Moonrise: 5:56 PM
Moon Transit: 9:40 PM
Moonset: 12:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
9:10 PM - 11:40 PM

Minor Periods

5:26 PM - 6:56 PM
12:14 AM - 1:44 AM

Action Rating: 3 out of 5

Red Flag Warning issued July 24 at 12:30AM PDT until July 24 at 11:00PM PDT by NWS Spokane WA

Effective: Fri July 24, 2026, 12:30 AM
Expires: Fri July 24, 2026, 3:00 PM

...RED FLAG WARNING FOR WIND AND LOW HUMIDITY FRIDAY, AND FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY SATURDAY... * Affected Area: Foothills of Central Washington Cascades (Zone 705) and Waterville Plateau (Zone 706). * Winds: Friday winds - Southwest 10 to 20 mph with gusts around 25 to 30 mph. Saturday winds - Southwest 15 to 30 mph with gusts around 35 to 45 mph. * Relative Humidities: 11 to 25 percent. * Impacts: Gusty winds and low humidity Friday and Saturday may lead to rapid fire spread with any new or ongoing fires.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued July 24 at 12:30AM PDT until July 25 at 9:00PM PDT by NWS Spokane WA

Effective: Fri July 24, 2026, 12:30 AM
Expires: Fri July 24, 2026, 3:00 PM

...RED FLAG WARNING FOR WIND AND LOW HUMIDITY FRIDAY, AND FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY SATURDAY... * Affected Area: Foothills of Central Washington Cascades (Zone 705) and Waterville Plateau (Zone 706). * Winds: Friday winds - Southwest 10 to 20 mph with gusts around 25 to 30 mph. Saturday winds - Southwest 15 to 30 mph with gusts around 35 to 45 mph. * Relative Humidities: 11 to 25 percent. * Impacts: Gusty winds and low humidity Friday and Saturday may lead to rapid fire spread with any new or ongoing fires.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Friday, July 24, 2026

Weather Forecast

Sunny
67.8°F
51.6°F
59.9°F
76%
0 in
8%
0%
6.5 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 9.54 μg/m3
PM10: 10.1 μg/m3
Carbon Monoxide: 115 μg/m3
Nitrogen Dioxide: 3.26 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 81.75 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:12 PM
Sunset: 8:54 PM
Daylight: 15 hrs 24 mins
Moonrise: 5:56 PM
Moon Transit: 9:40 PM
Moonset: 12:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
9:10 PM - 11:40 PM

Minor Periods

5:26 PM - 6:56 PM
12:14 AM - 1:44 AM

Action Rating: 3 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
69.5°F
50.6°F
58.7°F
73%
0.02 in
38%
0%
8.7 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 11.54 μg/m3
PM10: 12.67 μg/m3
Carbon Monoxide: 102.29 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 70.75 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 1:12 PM
Sunset: 8:52 PM
Daylight: 15 hrs 21 mins
Moonrise: 6:54 PM
Moon Transit: 10:31 PM
Moonset: 1:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

6:24 PM - 7:54 PM
12:51 AM - 2:21 AM

Action Rating: 3 out of 5

Sunday, July 26, 2026

Weather Forecast

Patchy rain nearby
64.4°F
47.8°F
55.3°F
76%
0.01 in
36%
0%
6 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 4.85 μg/m3
PM10: 5.37 μg/m3
Carbon Monoxide: 88.29 μg/m3
Nitrogen Dioxide: 1.97 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 48.08 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:12 PM
Sunset: 8:51 PM
Daylight: 15 hrs 19 mins
Moonrise: 7:41 PM
Moon Transit: 11:23 PM
Moonset: 2:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
12:00 AM - 12:00 AM

Minor Periods

7:11 PM - 8:41 PM
1:40 AM - 3:10 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
66.2°F
47.9°F
56.1°F
74%
0 in
17%
0%
6.7 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 9.6 μg/m3
PM10: 10.43 μg/m3
Carbon Monoxide: 99.55 μg/m3
Nitrogen Dioxide: 3.56 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 55.88 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:12 PM
Sunset: 8:50 PM
Daylight: 15 hrs 16 mins
Moonrise: 8:18 PM
Moon Transit: 12:00 AM
Moonset: 3:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

7:48 PM - 9:18 PM
2:38 AM - 4:08 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
70.4°F
48.6°F
58.8°F
65%
0.02 in
36%
0%
6.7 mph
6


Air Quality

AQI: 2 - Moderate
PM2.5: 25.08 μg/m3
PM10: 26.45 μg/m3
Carbon Monoxide: 193.67 μg/m3
Nitrogen Dioxide: 11.07 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 42.67 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:12 PM
Sunset: 8:49 PM
Daylight: 15 hrs 14 mins
Moonrise: 8:46 PM
Moon Transit: 12:13 AM
Moonset: 4:15 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:48 AM - 10:18 AM

Minor Periods

8:16 PM - 9:46 PM
3:45 AM - 5:15 AM

Action Rating: 4 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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