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

Current Water Temperature

41.0°F

Measurement Time: Wednesday, December 3, 2025, 7:00 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 / 453 meters

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 (21.0 mi)
Sauk River, Concrete, WA (33.1 mi)
Canyon Creek, Cedar Falls, WA (37.0 mi)
Cedar River, Cedar Falls, WA (37.2 mi)
Cedar River, Cedar Falls, WA (37.4 mi)

Weather for Sultan, Washington

Current Weather

42.1°F
Light rain
Conditions: Light rain
Humidity: 92%
Feels Like: 41.7°F
Wind: SE 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 30.31 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 8 mi
UV Index: 0

Five Day Weather Forecast

Heavy rain
Thu
H: 47°F
L: 41°F
Heavy rain
Fri
H: 47°F
L: 42°F
Heavy rain
Sat
H: 45°F
L: 41°F
Moderate rain
Sun
H: 49°F
L: 36°F
Moderate rain
Mon
H: 52°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 6.25 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 181.85 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 11:56 AM
Sunset: 4:15 PM
Daylight: 8 hrs 36 mins
Moonrise: 3:36 PM
Moon Transit: 12:00 AM
Moonset: 7:48 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:50 AM - 9:20 AM

Minor Periods

3:06 PM - 4:36 PM
7:18 AM - 8:48 AM

Action Rating: 5 out of 5

Thursday, December 4, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 43.3°F
Average Humidity: 92%
Chance of Rain: 90%
Wind: 4.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 8.47 μg/m3
PM10: 8.58 μg/m3
Carbon Monoxide: 188.37 μg/m3
Nitrogen Dioxide: 10.78 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 48.72 μg/m3

Astronomical

Sunrise: 7:39 AM
Sun Transit: 11:56 AM
Sunset: 4:15 PM
Daylight: 8 hrs 36 mins
Moonrise: 3:36 PM
Moon Transit: 12:00 AM
Moonset: 7:48 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:50 AM - 9:20 AM

Minor Periods

3:06 PM - 4:36 PM
7:18 AM - 8:48 AM

Action Rating: 5 out of 5

Friday, December 5, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 44.4°F
Average Humidity: 97%
Chance of Rain: 83%
Wind: 7.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.83 μg/m3
PM10: 2.9 μg/m3
Carbon Monoxide: 156.49 μg/m3
Nitrogen Dioxide: 7.89 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 54.52 μg/m3

Astronomical

Sunrise: 7:40 AM
Sun Transit: 11:57 AM
Sunset: 4:14 PM
Daylight: 8 hrs 34 mins
Moonrise: 4:37 PM
Moon Transit: 12:18 AM
Moonset: 9:07 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:57 AM - 10:27 AM

Minor Periods

4:07 PM - 5:37 PM
8:37 AM - 10:07 AM

Action Rating: 5 out of 5

Saturday, December 6, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 43.9°F
Average Humidity: 97%
Chance of Rain: 86%
Wind: 4.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.32 μg/m3
PM10: 2.81 μg/m3
Carbon Monoxide: 132.09 μg/m3
Nitrogen Dioxide: 5.77 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 68.84 μg/m3

Astronomical

Sunrise: 7:41 AM
Sun Transit: 11:57 AM
Sunset: 4:14 PM
Daylight: 8 hrs 33 mins
Moonrise: 5:53 PM
Moon Transit: 1:25 AM
Moonset: 10:09 AM
Moon Phase: Full
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

12:55 AM - 3:25 AM
9:04 AM - 11:34 AM

Minor Periods

5:23 PM - 6:53 PM
9:39 AM - 11:09 AM

Action Rating: 3 out of 5

Sunday, December 7, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 44.4°F
Average Humidity: 95%
Chance of Rain: 76%
Wind: 8.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.66 μg/m3
PM10: 3.25 μg/m3
Carbon Monoxide: 142.63 μg/m3
Nitrogen Dioxide: 5.53 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 64.28 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 11:58 AM
Sunset: 4:14 PM
Daylight: 8 hrs 32 mins
Moonrise: 7:17 PM
Moon Transit: 2:30 AM
Moonset: 10:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

2:00 AM - 4:30 AM
10:07 AM - 12:37 AM

Minor Periods

6:47 PM - 8:17 PM
10:23 AM - 11:53 AM

Action Rating: 2 out of 5

Monday, December 8, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 49.3°F
Average Humidity: 96%
Chance of Rain: 63%
Wind: 13 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 1.88 μg/m3
PM10: 1.9 μg/m3
Carbon Monoxide: 142.85 μg/m3
Nitrogen Dioxide: 4.87 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 68.77 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 11:58 AM
Sunset: 4:14 PM
Daylight: 8 hrs 30 mins
Moonrise: 8:40 PM
Moon Transit: 3:29 AM
Moonset: 11:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

2:59 AM - 5:29 AM
11:04 AM - 1:34 PM

Minor Periods

8:10 PM - 9:40 PM
10:54 AM - 12:24 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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