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

Current Water Temperature

38.7°F

Measurement Time: Saturday, January 10, 2026, 10:00 AM PST

Temperature Locations

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Local Points of Interest

Spada Lake; Henry M. Jackson Hydro Electric Project

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

48.9°F
Overcast
Overcast
47.6°F
52.1°F
59%
E 4 mph
6.9 mph
51.8°F
33.8°F
0 in
100%
9 mi
1028 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 53°F
L: 46°F
Heavy rain
Sun
H: 50°F
L: 43°F
Heavy rain
Mon
H: 50°F
L: 46°F
Moderate rain
Tue
H: 58°F
L: 49°F
Patchy rain nearby
Wed
H: 57°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 7.25 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 167.85 μg/m3
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 7:54 AM
Sun Transit: 12:14 AM
Sunset: 4:35 PM
Daylight: 8 hrs 41 mins
Moonrise: 12:27 AM
Moon Transit: 5:52 AM
Moonset: 11:07 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
1:23 PM - 3:53 PM

Minor Periods

10:37 AM - 12:07 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Hydrologic Outlook issued January 10 at 4:04AM PST by NWS Seattle WA

Effective: Sat January 10, 2026, 4:04 AM
Expires: Sat January 10, 2026, 5:15 PM

ESFSEW Moderate to heavy precipitation is expected over the Olympics tonight through Monday night with 3 to 5 inches possible during this time frame. Snow levels near 4500 feet tonight will rise to 7000 to 7500 feet Monday. The Skokomish river will begin rising tonight potentially reaching flood stage of 16.5 feet Sunday night and cresting near 17.7 feet Monday night. Please monitor the latest river forecasts from the National weather Service for additional information.


Hydrologic Outlook issued January 9 at 10:36PM PST by NWS Seattle WA

Effective: Fri January 9, 2026, 10:36 PM
Expires: Sat January 10, 2026, 12:00 PM

ESFSEW Moderate to heavy precipitation is expected over the Northern and Central Washington Cascades beginning Saturday night and continuing through Tuesday morning. Precipitation amounts of 2 to as much as 5 inches are forecast for this time frame. Snow levels will rise from around 4500 feet Saturday night to 7000 to 7500 feet Monday night. Rivers in the outlook area will begin rising Sunday and will crest later Monday into Tuesday. Current forecasts have numerous rivers cresting in action stage. A small increase in the forecast precipitation amounts could push rivers in the outlook area above flood stage. Please monitor the latest river forecasts from the National Weather Service for additional information.


Hydrologic Outlook issued January 10 at 4:48AM PST by NWS Seattle WA

Effective: Sat January 10, 2026, 4:48 AM
Expires: Sat January 10, 2026, 4:15 PM

ESFSEW Moderate to heavy precipitation is expected over the Northern and Central Washington Cascades beginning tonight and continuing through early Tuesday morning. Precipitation amounts of 2 to as much as 5 inches is forecast for this time frame. Snow levels near 4500 feet tonight will rise to 7000 to 7500 feet Monday night. Rivers in the outlook area will begin rising Sunday and will crest later Monday into Tuesday. Current forecasts have numerous rivers cresting in action stage. A small increase in the forecast precipitation amounts could push some river forecasts above flood stage. Please monitor the latest river forecasts from the National weather Service for additional information.


Hydrologic Outlook issued January 10 at 3:02PM PST by NWS Seattle WA

Effective: Sat January 10, 2026, 3:02 PM
Expires: Sun January 11, 2026, 4:00 AM

ESFSEW Moderate to heavy precipitation is expected over the Olympics and northern and central Washington Cascades beginning tonight and continuing through early Tuesday morning. Precipitation amounts of 2 to as much as 5 inches is forecast for this time frame. Snow levels near 4500 feet tonight will rise to 7000 to 7500 feet Monday night. Rivers in the outlook area will begin rising Sunday and will crest later Monday into Tuesday. Current forecasts have numerous rivers cresting in action stage. A small increase in the forecast precipitation amounts could push some river forecasts above flood stage. Please monitor the latest river forecasts from the National weather Service for additional information.


Saturday, January 10, 2026

Weather Forecast

Patchy rain nearby
53.2°F
45.7°F
49.2°F
47%
0.06 in
78%
0%
7.6 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.5 μg/m3
PM10: 5.22 μg/m3
Carbon Monoxide: 161.93 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 7:54 AM
Sun Transit: 12:14 AM
Sunset: 4:35 PM
Daylight: 8 hrs 41 mins
Moonrise: 12:27 AM
Moon Transit: 5:52 AM
Moonset: 11:07 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
1:23 PM - 3:53 PM

Minor Periods

10:37 AM - 12:07 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, January 11, 2026

Weather Forecast

Heavy rain
50.4°F
43.3°F
46.1°F
84%
1.8 in
79%
0%
6.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.78 μg/m3
PM10: 7.2 μg/m3
Carbon Monoxide: 163.81 μg/m3
Nitrogen Dioxide: 6.59 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:14 AM
Sunset: 4:36 PM
Daylight: 8 hrs 43 mins
Moonrise: 1:35 AM
Moon Transit: 6:34 AM
Moonset: 11:24 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
2:05 PM - 4:35 PM

Minor Periods

10:54 AM - 12:24 AM
1:05 AM - 2:35 AM

Action Rating: 3 out of 5

Monday, January 12, 2026

Weather Forecast

Heavy rain
49.8°F
46°F
48.6°F
96%
4.55 in
88%
0%
5.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.71 μg/m3
PM10: 4.55 μg/m3
Carbon Monoxide: 148.73 μg/m3
Nitrogen Dioxide: 4.59 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 86.52 μg/m3

Astronomical

Sunrise: 7:53 AM
Sun Transit: 12:14 AM
Sunset: 4:38 PM
Daylight: 8 hrs 45 mins
Moonrise: 2:45 AM
Moon Transit: 7:18 AM
Moonset: 11:44 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:48 AM - 9:18 AM
2:50 PM - 5:20 PM

Minor Periods

11:14 AM - 12:44 AM
2:15 AM - 3:45 AM

Action Rating: 2 out of 5

Tuesday, January 13, 2026

Weather Forecast

Moderate rain
57.7°F
48.7°F
52.1°F
90%
0.25 in
87%
0%
4.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 3.08 μg/m3
Carbon Monoxide: 151.04 μg/m3
Nitrogen Dioxide: 5.79 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 70.44 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 12:15 AM
Sunset: 4:39 PM
Daylight: 8 hrs 47 mins
Moonrise: 3:54 AM
Moon Transit: 8:04 AM
Moonset: 12:09 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
3:37 PM - 6:07 PM

Minor Periods

11:39 AM - 1:09 PM
3:24 AM - 4:54 AM

Action Rating: 3 out of 5

Wednesday, January 14, 2026

Weather Forecast

Patchy rain nearby
57.1°F
35.8°F
46°F
86%
0.01 in
88%
0%
4.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.27 μg/m3
PM10: 4.81 μg/m3
Carbon Monoxide: 165.2 μg/m3
Nitrogen Dioxide: 9.27 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 71.85 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 12:15 AM
Sunset: 4:40 PM
Daylight: 8 hrs 49 mins
Moonrise: 5:01 AM
Moon Transit: 8:53 AM
Moonset: 12:42 AM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:23 AM - 10:53 AM
4:26 PM - 6:56 PM

Minor Periods

12:12 AM - 1:42 PM
4:31 AM - 6:01 AM

Action Rating: 3 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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