Water Temperature of the South Fork Sultan River in Sultan, WA

Current Water Temperature

38.3°F

Measurement Time: Friday, December 26, 2025, 8:00 PM PST

Temperature Locations

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Local Points of Interest

Spada Lake; Henry M. Jackson Hydro Electric Project

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South Fork Sultan River

Station Name: SOUTH FORK SULTAN RIVER NEAR SULTAN, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,486 feet

Nearest Address:
NFS Rd 6129
Sultan, WA 98294
Snohomish County

GPS Coordinates: 47.94732637, -121.6267826

Nearby Water Temperatures

Skykomish River, Gold Bar, WA (7.8 mi)
Sultan River, Lake Roesiger, WA (7.9 mi)
Sultan River, Sultan, WA (9.2 mi)
North Fork Tolt River, Carnation, WA (16.6 mi)
South Fork Tolt River, Baring, WA (16.7 mi)
Sauk River, Darrington, WA (16.9 mi)
North Fork Tolt River, Carnation, WA (17.9 mi)
South Fork Tolt River, Carnation, WA (18.3 mi)
South Fork Tolt River, Stillwater, WA (18.8 mi)
Tolt River, Carnation, WA (19.6 mi)
Sauk River, Darrington, WA (21 mi)
Sauk River, Concrete, WA (33.1 mi)
Canyon Creek, Cedar Falls, WA (37 mi)
Cedar River, Cedar Falls, WA (37.2 mi)
Cedar River, Cedar Falls, WA (37.4 mi)

Weather for Sultan, Washington

Current Weather

34°F
Mostly cloudy
Conditions: Mostly cloudy
Humidity: 94%
Heat Index: 34°F
Feels Like: 34°F
Wind: SW 0.6 mph
Wind Gusts: 1 mph
Wind Chill: 34°F
Air Pressure: 1019.01 millibars
Dew Point: 34°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 7 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Sat
H: 41°F
L: 30°F
Partly Cloudy
Sun
H: 38°F
L: 30°F
Cloudy
Mon
H: 46°F
L: 34°F
Partly Cloudy
Tue
H: 44°F
L: 34°F
Partly Cloudy
Wed
H: 47°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 2.45 μg/m3
PM10: 2.65 μg/m3
Carbon Monoxide: 140.85 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 12:07 AM
Sunset: 4:20 PM
Daylight: 8 hrs 25 mins
Moonrise: 11:41 AM
Moon Transit: 1:23 AM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
12:53 AM - 3:23 AM

Minor Periods

11:11 AM - 12:41 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, December 27, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 34.8°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 4 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 2.77 μg/m3
PM10: 3.18 μg/m3
Carbon Monoxide: 152.65 μg/m3
Nitrogen Dioxide: 6.59 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 78.6 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 12:07 AM
Sunset: 4:20 PM
Daylight: 8 hrs 25 mins
Moonrise: 11:41 AM
Moon Transit: 1:23 AM
Moonset: 12:44 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
12:53 AM - 3:23 AM

Minor Periods

11:11 AM - 12:41 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, December 28, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 34.1°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 5.36 μg/m3
PM10: 5.69 μg/m3
Carbon Monoxide: 152.33 μg/m3
Nitrogen Dioxide: 8.52 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 69.84 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 12:08 AM
Sunset: 4:21 PM
Daylight: 8 hrs 25 mins
Moonrise: 11:58 AM
Moon Transit: 7:01 PM
Moonset: 1:02 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

1:45 AM - 4:15 AM
6:31 PM - 9:01 PM

Minor Periods

11:28 AM - 12:58 AM
12:32 AM - 2:02 AM

Action Rating: 2 out of 5

Monday, December 29, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 39.4°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 4.08 μg/m3
PM10: 4.32 μg/m3
Carbon Monoxide: 149.93 μg/m3
Nitrogen Dioxide: 7.37 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 78.52 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 12:08 AM
Sunset: 4:22 PM
Daylight: 8 hrs 26 mins
Moonrise: 12:19 AM
Moon Transit: 7:54 PM
Moonset: 2:23 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

2:34 AM - 5:04 AM
7:24 PM - 9:54 PM

Minor Periods

11:49 AM - 1:19 PM
1:53 AM - 3:23 AM

Action Rating: 2 out of 5

Tuesday, December 30, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 37°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 6.3 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 3.83 μg/m3
PM10: 4.23 μg/m3
Carbon Monoxide: 154.74 μg/m3
Nitrogen Dioxide: 5.99 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 75.28 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 12:09 AM
Sunset: 4:23 PM
Daylight: 8 hrs 27 mins
Moonrise: 12:46 AM
Moon Transit: 8:51 PM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
8:21 PM - 10:51 PM

Minor Periods

12:16 AM - 1:46 PM
3:18 AM - 4:48 AM

Action Rating: 2 out of 5

Wednesday, December 31, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 37.1°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 5.4 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.93 μg/m3
PM10: 5.44 μg/m3
Carbon Monoxide: 188.34 μg/m3
Nitrogen Dioxide: 8.27 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 12:09 AM
Sunset: 4:24 PM
Daylight: 8 hrs 28 mins
Moonrise: 1:22 PM
Moon Transit: 9:54 PM
Moonset: 5:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

4:28 AM - 6:58 AM
9:24 PM - 11:54 PM

Minor Periods

12:52 AM - 2:22 PM
4:46 AM - 6:16 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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