Water Temperature of the Skagit River in Marblemount, WA

Current Water Temperature

49.6°F 9.8°C
Frigid Dangerously Cold
49.6°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.

Measurement Time: Saturday, November 14, 2026, 9:15 PM PST

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

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

53.8°F
Light Drizzle
Conditions: Light Drizzle
Humidity: 70%
Feels Like: 50.4°F
Wind: ESE 4.7 mph
Wind Gusts: 4.5 mph
Pressure: 29.68 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 10.8 mi
UV Index: 0

Five-Day Weather Forecast

Slight Rain
Sun
H: 56°F
L: 45°F
Overcast
Mon
H: 52°F
L: 41°F
Sunny
Tue
H: 51°F
L: 40°F
Overcast
Wed
H: 53°F
L: 40°F
Overcast
Thu
H: 52°F
L: 40°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
0.2 μg/m³
Good
PM10
0.2 μg/m³
Good
Ozone (O3)
59 μg/m³
Photochemical
NO2
1.3 μg/m³
Nitrogen Dioxide
SO2
0.1 μg/m³
Sulfur Dioxide
CO
125 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 12m daylight
Sunrise 7:14 AM
Solar Noon 11:50 AM
Sunset 4:26 PM
Moon
Waxing Crescent • 31%
Moonrise 12:41 PM
Transit 5:07 PM
Moonset 9:43 PM

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
4:37 PM - 7:07 PM

Minor Periods

12:11 PM - 1:41 PM
9:13 PM - 10:43 PM
Action Rating:
Very Good 4/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Slight Rain
Average Temperature: 51.1°F
Average Humidity: 69%
Chance of Rain: 100%
Wind: 10.3 mph
UV Index: 0.3

Air Quality

EPA Index 1 • Good
PM2.5
1.5 μg/m³
Good
PM10
2.1 μg/m³
Good
Ozone (O3)
67.6 μg/m³
Photochemical
NO2
1.5 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
121 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 12m daylight
Sunrise 7:14 AM
Solar Noon 11:50 AM
Sunset 4:26 PM
Moon
Waxing Crescent • 31%
Moonrise 12:41 PM
Transit 5:07 PM
Moonset 9:43 PM

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
4:37 PM - 7:07 PM

Minor Periods

12:11 PM - 1:41 PM
9:13 PM - 10:43 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 45.3°F
Average Humidity: 64%
Chance of Rain: 38%
Wind: 5.7 mph
UV Index: 2.2

Air Quality

EPA Index 1 • Good
PM2.5
2.6 μg/m³
Good
PM10
3.5 μg/m³
Good
Ozone (O3)
67.2 μg/m³
Photochemical
NO2
2.4 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
115.1 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 10m daylight
Sunrise 7:15 AM
Solar Noon 11:50 AM
Sunset 4:25 PM
Moon
First Quarter • 42%
Moonrise 1:01 PM
Transit 5:51 PM
Moonset 10:53 PM

Best Times for Fishing or Hunting

Major Periods

4:59 AM - 7:29 AM
5:21 PM - 7:51 PM

Minor Periods

12:31 PM - 2:01 PM
10:23 PM - 11:53 PM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 43.2°F
Average Humidity: 75%
Chance of Rain: 13%
Wind: 5.3 mph
UV Index: 2.1

Air Quality

EPA Index 1 • Good
PM2.5
2.2 μg/m³
Good
PM10
2.9 μg/m³
Good
Ozone (O3)
62.3 μg/m³
Photochemical
NO2
2.8 μg/m³
Nitrogen Dioxide
SO2
0.3 μg/m³
Sulfur Dioxide
CO
114.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 7m daylight
Sunrise 7:17 AM
Solar Noon 11:50 AM
Sunset 4:24 PM
Moon
First Quarter • 54%
Moonrise 1:17 PM
Transit 6:34 PM
Moonset 12:04 AM

Best Times for Fishing or Hunting

Major Periods

5:43 AM - 8:13 AM
6:04 PM - 8:34 PM

Minor Periods

12:47 PM - 2:17 PM
11:34 PM - 1:04 AM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 44.2°F
Average Humidity: 65%
Chance of Rain: 9%
Wind: 7.6 mph
UV Index: 2

Air Quality

EPA Index 1 • Good
PM2.5
4.4 μg/m³
Good
PM10
5.2 μg/m³
Good
Ozone (O3)
56.6 μg/m³
Photochemical
NO2
2.4 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
147.1 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 5m daylight
Sunrise 7:18 AM
Solar Noon 11:50 AM
Sunset 4:23 PM
Moon
First Quarter • 65%
Moonrise 1:33 PM
Transit 7:17 PM
Moonset 12:04 AM

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
6:47 PM - 9:17 PM

Minor Periods

1:03 PM - 2:33 PM
11:34 PM - 1:04 AM
Action Rating:
Fair Action 2/5
Thursday, November 19, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 44.2°F
Average Humidity: 70%
Chance of Rain: 1%
Wind: 6 mph
UV Index: 2

Air Quality

EPA Index 2 • Moderate
PM2.5
10.5 μg/m³
Good
PM10
11.9 μg/m³
Good
Ozone (O3)
55.9 μg/m³
Photochemical
NO2
2.5 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
210.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 2m daylight
Sunrise 7:20 AM
Solar Noon 11:51 AM
Sunset 4:22 PM
Moon
Waxing Gibbous • 75%
Moonrise 1:48 PM
Transit 8:03 PM
Moonset 1:15 AM

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
7:33 PM - 10:03 PM

Minor Periods

12:45 AM - 2:15 AM
1:18 PM - 2:48 PM
Action Rating:
Good Action 3/5
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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