Water Temperature of the Similkameen River in Nighthawk, WA

Current Water Temperature

34.0°F

Measurement Time: Saturday, January 17, 2026, 11:30 AM PST

Temperature Locations

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Local Points of Interest

Ellemeham Wildlife Area

Similkameen River

Station Name: SIMILKAMEEN RIVER NEAR NIGHTHAWK, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,165 feet

Nearest Address:
2672 Loomis Oroville Rd
Nighthawk, WA 98827
Okanogan County

GPS Coordinates: 48.98460109, -119.6184098

Nearby Water Temperatures

Osoyoos Lake, Oroville, WA (8.3 mi)
Okanogan River, Oroville, WA (9.7 mi)
Andrews Creek, Mazama, WA (26.4 mi)
Okanogan River, Malott, WA (48.8 mi)
Ruby Creek, Newhalem, WA (64.7 mi)
Columbia River, Bridgeport, WA (67.6 mi)
Big Beaver Creek, Diablo, WA (67.6 mi)
Columbia River, Azwell, WA (72.5 mi)
Skagit River, Newhalem, WA (77.1 mi)
Bacon Creek, Marblemount, WA (85.2 mi)
Cascade River, Marblemount, WA (87.8 mi)
Skagit River, Marblemount, WA (88.2 mi)
Sauk River, Concrete, WA (97 mi)
North Fork Nooksack River, Glacier, WA (101.1 mi)
Sauk River, Darrington, WA (101.7 mi)

Weather for Nighthawk, Washington

Current Weather

34°F
Clear
Clear
32.3°F
26.5°F
74%
NNE 2.5 mph
5.2 mph
24.2°F
21.7°F
0 in
0%
6 mi
1028 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 37°F
L: 16°F
Sunny
Sun
H: 40°F
L: 23°F
Sunny
Mon
H: 39°F
L: 23°F
Sunny
Tue
H: 37°F
L: 23°F
Overcast
Wed
H: 37°F
L: 25°F

Air Quality

PM2.5: 5.44 μg/m3
PM10: 5.74 μg/m3
Carbon Monoxide: 188.84 μg/m3
Nitrogen Dioxide: 3.14 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:08 AM
Sunset: 4:33 PM
Daylight: 8 hrs 47 mins
Moonrise: 7:37 AM
Moon Transit: 11:21 AM
Moonset: 3:10 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:11 PM - 9:41 PM
10:51 AM - 1:21 PM

Minor Periods

2:40 PM - 4:10 PM
7:07 AM - 8:37 AM

Action Rating: 4 out of 5

Air Stagnation Advisory issued January 17 at 10:42AM PST until January 20 at 4:00PM PST by NWS Spokane WA

Effective: Sat January 17, 2026, 10:42 AM
Expires: Sun January 18, 2026, 11:00 AM

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Hayden, Grand Coulee, Rockford, Wilbur, Worley, Fairfield, Moses Lake, Waterville, Ephrata, Harrington, Odessa, Post Falls, Airway Heights, Badger Mountain Road, Davenport, Coeur d'Alene, Creston, Coulee City, Mansfield, Ritzville, Quincy, Downtown Spokane, Spokane Valley, Othello, and Cheney. * WHEN...Until 4 PM PST Tuesday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface.

Buildup of fine pollution particles can be harmful to those sensitive to air pollution including people with lung and heart problems, people with diabetes, children and the elderly.


Air Stagnation Advisory issued January 17 at 10:42AM PST until January 20 at 4:00PM PST by NWS Spokane WA

Effective: Sat January 17, 2026, 10:42 AM
Expires: Sun January 18, 2026, 11:00 AM

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Tiger, Stehekin, Mazama, Cashmere, Chesaw Road, Bridgeport, Omak, Disautel Pass, Methow, Okanogan, Oroville, Republic, Brewster, Orin-Rice Road, Fruitland, Highway 20 Wauconda Summit, Number 2 Canyon, Ione, Wauconda, Number 1 Canyon, Inchelium, Holden Village, Conconully, Winthrop, Nespelem, Twisp, Stevens Pass, Wenatchee, Springdale-Hunters Road, Plain, Flowery Trail Road, Boulder Creek Road, Chewelah, Sherman Pass, Leavenworth, Metaline, Kettle Falls, Tonasket, Chelan, Northport, Pangborn Airport, Metaline Falls, Colville, Newport, Entiat, Deer Park, and Loup Loup Pass. * WHEN...Until 4 PM PST Tuesday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface.

Buildup of fine pollution particles can be harmful to those sensitive to air pollution including people with lung and heart problems, people with diabetes, children and the elderly.
Saturday, January 17, 2026

Weather Forecast

Sunny
37°F
16°F
25.6°F
84%
0 in
0%
0%
3.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.99 μg/m3
PM10: 5.38 μg/m3
Carbon Monoxide: 195.64 μg/m3
Nitrogen Dioxide: 6.08 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 76.4 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:08 AM
Sunset: 4:33 PM
Daylight: 8 hrs 47 mins
Moonrise: 7:37 AM
Moon Transit: 11:21 AM
Moonset: 3:10 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:11 PM - 9:41 PM
10:51 AM - 1:21 PM

Minor Periods

2:40 PM - 4:10 PM
7:07 AM - 8:37 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Sunny
40.1°F
23.1°F
28.5°F
78%
0 in
0%
0%
4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.99 μg/m3
PM10: 7.13 μg/m3
Carbon Monoxide: 227.38 μg/m3
Nitrogen Dioxide: 6.86 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 72.46 μg/m3

Astronomical

Sunrise: 7:44 AM
Sun Transit: 12:09 AM
Sunset: 4:34 PM
Daylight: 8 hrs 50 mins
Moonrise: 8:10 AM
Moon Transit: 12:12 AM
Moonset: 4:23 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

8:02 PM - 10:32 PM
11:42 AM - 2:12 PM

Minor Periods

3:53 PM - 5:23 PM
7:40 AM - 9:10 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Sunny
39.4°F
23.3°F
27°F
78%
0 in
0%
0%
3.8 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:09 AM
Sunset: 4:36 PM
Daylight: 8 hrs 52 mins
Moonrise: 8:35 AM
Moon Transit: 1:01 PM
Moonset: 5:38 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

8:50 PM - 11:20 PM
12:31 AM - 3:01 PM

Minor Periods

5:08 PM - 6:38 PM
8:05 AM - 9:35 AM

Action Rating: 4 out of 5

Tuesday, January 20, 2026

Weather Forecast

Sunny
36.7°F
23.1°F
27.9°F
82%
0 in
0%
0%
2.9 mph
2


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:09 AM
Sunset: 4:37 PM
Daylight: 8 hrs 55 mins
Moonrise: 8:55 AM
Moon Transit: 1:48 PM
Moonset: 6:55 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:18 PM - 3:48 PM

Minor Periods

6:25 PM - 7:55 PM
8:25 AM - 9:55 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Overcast
36.9°F
25°F
29.1°F
83%
0 in
0%
0%
3.6 mph
1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:09 AM
Sunset: 4:39 PM
Daylight: 8 hrs 57 mins
Moonrise: 9:11 AM
Moon Transit: 2:34 PM
Moonset: 8:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:04 PM - 4:34 PM

Minor Periods

7:41 PM - 9:11 PM
8:41 AM - 10:11 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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