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

Current Water Temperature

54.9°F

Measurement Time: Saturday, August 1, 2026, 5:00 AM PDT

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

59.5°F
Moderate rain
Moderate rain
59.4°F
59.5°F
95%
SSW 4.9 mph
6.1 mph
59.5°F
58.2°F
0.13 in
100%
6 mi
1020 mbar
1

Five Day Weather Forecast

Sunny
Sat
H: 66°F
L: 54°F
Patchy rain nearby
Sun
H: 67°F
L: 43°F
Sunny
Mon
H: 79°F
L: 41°F
Smoky haze
Tue
H: 88°F
L: 50°F
Smoky haze
Wed
H: 90°F
L: 52°F

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 1.5 μg/m3
PM10: 2 μg/m3
Carbon Monoxide: 90 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:12 PM
Sunset: 8:42 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:57 PM
Moon Transit: 3:16 AM
Moonset: 9:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
10:47 AM - 1:17 PM

Minor Periods

9:27 PM - 10:57 PM
8:34 AM - 10:04 AM

Action Rating: 3 out of 5

Red Flag Warning issued July 31 at 11:53PM PDT until August 1 at 8:00PM PDT by NWS Spokane WA

Effective: Fri July 31, 2026, 11:53 PM
Expires: Sat August 1, 2026, 8:00 PM

A strong cold front will sweep across the Inland Northwest Saturday. Very warm dry conditions and gusty winds will contribute to rapid fire spread for any new or ongoing fires. * Affected Area: East Washington Central Cascades (Zone 696), East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697) and East Washington North Cascades (Zone 698). * Winds: West 15 to 25 mph with gusts up to 45 mph. * Relative Humidities: 15 to 30 percent in the valleys and 30 to 53 percent over the higher terrain. Higher relative humidity expected near the Cascade crest over the higher terrain. * Impacts: Rapid fire spread is expected 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.
Saturday, August 1, 2026

Weather Forecast

Sunny
66.4°F
53.5°F
61.2°F
79%
0.27 in
77%
0%
6.3 mph
2.8


Air Quality

AQI: 1 - Good
PM2.5: 4.42 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 107.04 μg/m3
Nitrogen Dioxide: 5.28 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 54.29 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:12 PM
Sunset: 8:42 PM
Daylight: 14 hrs 59 mins
Moonrise: 9:57 PM
Moon Transit: 3:16 AM
Moonset: 9:04 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
10:47 AM - 1:17 PM

Minor Periods

9:27 PM - 10:57 PM
8:34 AM - 10:04 AM

Action Rating: 3 out of 5

Sunday, August 2, 2026

Weather Forecast

Patchy rain nearby
67.2°F
43.3°F
56.8°F
80%
0.11 in
72%
0%
8.1 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 2.53 μg/m3
PM10: 3.47 μg/m3
Carbon Monoxide: 91.04 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 51.79 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:12 PM
Sunset: 8:41 PM
Daylight: 14 hrs 56 mins
Moonrise: 10:12 PM
Moon Transit: 4:00 AM
Moonset: 10:17 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:20 PM - 5:50 PM

Minor Periods

9:42 PM - 11:12 PM
9:47 AM - 11:17 AM

Action Rating: 3 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
78.5°F
41.4°F
59.3°F
64%
0 in
4%
0%
6.5 mph
5.4


Air Quality

AQI: 1 - Good
PM2.5: 13.81 μg/m3
PM10: 14.48 μg/m3
Carbon Monoxide: 124.04 μg/m3
Nitrogen Dioxide: 7.63 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 56.75 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:12 PM
Sunset: 8:39 PM
Daylight: 14 hrs 53 mins
Moonrise: 10:29 PM
Moon Transit: 12:00 AM
Moonset: 11:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

9:59 PM - 11:29 PM
11:00 AM - 12:30 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Smoky haze
87.5°F
49.5°F
67.2°F
53%
0 in
2%
0%
6 mph
3.8


Air Quality

AQI: 4 - Unhealthy
PM2.5: 67.48 μg/m3
PM10: 69.4 μg/m3
Carbon Monoxide: 217.43 μg/m3
Nitrogen Dioxide: 12.45 μg/m3
Sulphur Dioxide: 2.71 μg/m3
Ozone: 89.42 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:12 PM
Sunset: 8:38 PM
Daylight: 14 hrs 51 mins
Moonrise: 10:48 PM
Moon Transit: 5:29 AM
Moonset: 12:48 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:59 AM - 7:29 AM
1:01 PM - 3:31 PM

Minor Periods

10:18 PM - 11:48 PM
12:18 AM - 1:48 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Smoky haze
90°F
52.2°F
69.9°F
48%
0 in
1%
0%
5.6 mph
8


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 60.07 μg/m3
PM10: 61.8 μg/m3
Carbon Monoxide: 348.83 μg/m3
Nitrogen Dioxide: 15.97 μg/m3
Sulphur Dioxide: 1.77 μg/m3
Ozone: 67.5 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:12 PM
Sunset: 8:36 PM
Daylight: 14 hrs 48 mins
Moonrise: 11:12 PM
Moon Transit: 6:18 AM
Moonset: 2:08 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
1:52 PM - 4:22 PM

Minor Periods

12:00 AM - 12:00 AM
1:38 PM - 3:08 PM

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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