Water Temperature of the Similkameen River in Nighthawk, WA

Current Water Temperature

54.7°F

Measurement Time: Tuesday, May 12, 2026, 3:30 PM PDT

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

67.4°F
Clear
Clear
67.4°F
67.3°F
22%
W 4.3 mph
8.9 mph
67.4°F
26.3°F
0 in
0%
6 mi
1008 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 80°F
L: 51°F
Moderate rain
Wed
H: 61°F
L: 38°F
Sunny
Thu
H: 63°F
L: 32°F
Moderate rain
Fri
H: 54°F
L: 30°F
Patchy rain nearby
Sat
H: 51°F
L: 26°F

Air Quality

AQI: 1 - Good
PM2.5: 3.44 μg/m3
PM10: 3.94 μg/m3
Carbon Monoxide: 128.84 μg/m3
Nitrogen Dioxide: 2.34 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 110 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:54 AM
Sunset: 8:31 PM
Daylight: 15 hrs 11 mins
Moonrise: 3:16 AM
Moon Transit: 6:41 PM
Moonset: 3:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

6:11 PM - 8:41 PM
6:11 PM - 8:41 PM

Minor Periods

3:05 PM - 4:35 PM
2:46 AM - 4:16 AM

Action Rating: 4 out of 5

Wind Advisory issued May 12 at 9:28AM PDT until May 13 at 11:00PM PDT by NWS Spokane WA

Effective: Tue May 12, 2026, 9:28 AM
Expires: Wed May 13, 2026, 12:00 AM

* WHAT...Southwest winds 20 to 30 mph with gusts 40 to 55 mph expected. * WHERE...Plummer, Cheney, Waterville, Number 1 Canyon, Coulee City, Lewiston, Wilbur, Mansfield, Downtown Spokane, Creston, Uniontown, Davenport, Hayden, Airway Heights, Odessa, Grand Coulee, Cashmere, Moscow, Soldiers Meadow Road, Winchester, Pullman, Rosalia, Wenatchee, Nezperce, Lapwai, La Crosse, Spokane Valley, Othello, Rockford, Ritzville, Lewiston Grade, Chelan, Ephrata, Worley, Entiat, Culdesac, Fairfield, Quincy, Gifford, Craigmont, Number 2 Canyon, Peck, Oakesdale, Post Falls, Kamiah, Pangborn Airport, Moses Lake, Coeur d'Alene, Colfax, Harrington, Badger Mountain Road, Genesee, Tekoa, and Potlatch. * WHEN...From 5 AM to 11 PM PDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Tuesday, May 12, 2026

Weather Forecast

Sunny
79.9°F
51.1°F
65.7°F
26%
0 in
0%
0%
7.4 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 2.63 μg/m3
PM10: 3.17 μg/m3
Carbon Monoxide: 138.4 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 96.88 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:54 AM
Sunset: 8:31 PM
Daylight: 15 hrs 11 mins
Moonrise: 3:16 AM
Moon Transit: 6:41 PM
Moonset: 3:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

6:11 PM - 8:41 PM
6:11 PM - 8:41 PM

Minor Periods

3:05 PM - 4:35 PM
2:46 AM - 4:16 AM

Action Rating: 4 out of 5

Wednesday, May 13, 2026

Weather Forecast

Moderate rain
61.2°F
37.9°F
54.7°F
59%
0.73 in
92%
0%
5.6 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 2.67 μg/m3
PM10: 3.25 μg/m3
Carbon Monoxide: 134.84 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 104.88 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:54 AM
Sunset: 8:32 PM
Daylight: 15 hrs 14 mins
Moonrise: 3:31 AM
Moon Transit: 10:04 AM
Moonset: 4:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

5:53 PM - 8:23 PM
9:34 AM - 12:04 AM

Minor Periods

4:26 PM - 5:56 PM
3:01 AM - 4:31 AM

Action Rating: 3 out of 5

Thursday, May 14, 2026

Weather Forecast

Sunny
63°F
31.6°F
47.1°F
54%
0 in
0%
0%
10.3 mph
5.6


Air Quality

AQI: 1 - Good
PM2.5: 2.06 μg/m3
PM10: 2.21 μg/m3
Carbon Monoxide: 131.56 μg/m3
Nitrogen Dioxide: 2.68 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 86.68 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:54 AM
Sunset: 8:34 PM
Daylight: 15 hrs 16 mins
Moonrise: 3:48 AM
Moon Transit: 10:54 AM
Moonset: 6:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

6:45 PM - 9:15 PM
10:24 AM - 12:54 AM

Minor Periods

5:52 PM - 7:22 PM
3:18 AM - 4:48 AM

Action Rating: 3 out of 5

Friday, May 15, 2026

Weather Forecast

Moderate rain
53.8°F
29.8°F
41.9°F
66%
0.2 in
83%
0%
8.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.88 μg/m3
PM10: 4.17 μg/m3
Carbon Monoxide: 124.34 μg/m3
Nitrogen Dioxide: 2.74 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 91.8 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 12:54 AM
Sunset: 8:35 PM
Daylight: 15 hrs 19 mins
Moonrise: 4:08 AM
Moon Transit: 11:49 AM
Moonset: 7:51 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

7:41 PM - 10:11 PM
11:19 AM - 1:49 PM

Minor Periods

7:21 PM - 8:51 PM
3:38 AM - 5:08 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Patchy rain nearby
50.5°F
26.2°F
39.2°F
63%
0.05 in
83%
7%
4.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.39 μg/m3
PM10: 2.49 μg/m3
Carbon Monoxide: 137.82 μg/m3
Nitrogen Dioxide: 4.16 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 73.23 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 12:54 AM
Sunset: 8:36 PM
Daylight: 15 hrs 22 mins
Moonrise: 4:36 AM
Moon Transit: 12:49 AM
Moonset: 9:21 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

8:43 PM - 11:13 PM
12:19 AM - 2:49 PM

Minor Periods

8:51 PM - 10:21 PM
4:06 AM - 5:36 AM

Action Rating: 6 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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