Water Temperature of the Similkameen River in Nighthawk, WA

Current Water Temperature

36.5°F

Measurement Time: Monday, February 16, 2026, 1:30 PM 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
31.1°F
29.6°F
97%
SSW 3.4 mph
4.5 mph
24.9°F
24.2°F
0 in
0%
6 mi
993 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Mon
H: 35°F
L: 28°F
Sunny
Tue
H: 34°F
L: 15°F
Partly Cloudy
Wed
H: 30°F
L: 19°F
Overcast
Thu
H: 27°F
L: 15°F
Patchy light snow
Fri
H: 28°F
L: 9°F

Air Quality

AQI: 1 - Good
PM2.5: 4.54 μg/m3
PM10: 4.84 μg/m3
Carbon Monoxide: 136.84 μg/m3
Nitrogen Dioxide: 7.04 μg/m3
Sulphur Dioxide: 2.74 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:12 AM
Sunset: 5:21 PM
Daylight: 10 hrs 16 mins
Moonrise: 7:00 AM
Moon Transit: 11:42 AM
Moonset: 4:38 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:31 PM - 10:01 PM
11:12 AM - 1:42 PM

Minor Periods

4:08 PM - 5:38 PM
6:30 AM - 8:00 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued February 16 at 8:07AM PST until February 16 at 6:00PM PST by NWS Spokane WA

Effective: Mon February 16, 2026, 8:07 AM
Expires: Mon February 16, 2026, 6:00 PM

* WHAT...Snow expected. Above 2500 feet, total snow accumulations around 2 to 5 inches. Below 2500 feet, total snow accumulations up to 2 inches. * WHERE...Boulder Creek Road, Republic, Wauconda, Highway 20 Wauconda Summit, Inchelium, Sherman Pass, and Chesaw Road. * WHEN...Until 6 PM PST this evening. * IMPACTS...Plan on winter driving conditions.

Slow down and use caution while traveling. For the latest travel information in Washington, go to https://wsdot.wa.gov/travel
Monday, February 16, 2026

Weather Forecast

Moderate or heavy snow showers
35.4°F
28°F
31.3°F
83%
0.12 in
80%
20%
3.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.38 μg/m3
PM10: 7.34 μg/m3
Carbon Monoxide: 152.12 μg/m3
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 5.06 μg/m3
Ozone: 78.44 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:12 AM
Sunset: 5:21 PM
Daylight: 10 hrs 16 mins
Moonrise: 7:00 AM
Moon Transit: 11:42 AM
Moonset: 4:38 PM
Moon Phase: New
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

7:31 PM - 10:01 PM
11:12 AM - 1:42 PM

Minor Periods

4:08 PM - 5:38 PM
6:30 AM - 8:00 AM

Action Rating: 4 out of 5

Tuesday, February 17, 2026

Weather Forecast

Sunny
34°F
14.6°F
28.3°F
80%
0 in
0%
0%
6.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 3.79 μg/m3
Carbon Monoxide: 157.52 μg/m3
Nitrogen Dioxide: 5.72 μg/m3
Sulphur Dioxide: 3.14 μg/m3
Ozone: 73.24 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:12 AM
Sunset: 5:22 PM
Daylight: 10 hrs 20 mins
Moonrise: 7:17 AM
Moon Transit: 12:29 AM
Moonset: 5:55 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:17 PM - 10:47 PM
11:59 AM - 2:29 PM

Minor Periods

5:25 PM - 6:55 PM
6:47 AM - 8:17 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Partly Cloudy
30.4°F
18.5°F
24.5°F
72%
0 in
0%
0%
8.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.4 μg/m3
PM10: 4.16 μg/m3
Carbon Monoxide: 163.16 μg/m3
Nitrogen Dioxide: 2.92 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 84.28 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:12 AM
Sunset: 5:24 PM
Daylight: 10 hrs 23 mins
Moonrise: 7:32 AM
Moon Transit: 1:15 PM
Moonset: 7:13 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

9:03 PM - 11:33 PM
12:45 AM - 3:15 PM

Minor Periods

6:43 PM - 8:13 PM
7:02 AM - 8:32 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Overcast
27.1°F
15.1°F
21°F
63%
0 in
0%
0%
5.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.98 μg/m3
PM10: 5.94 μg/m3
Carbon Monoxide: 157.17 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 78.44 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:12 AM
Sunset: 5:26 PM
Daylight: 10 hrs 26 mins
Moonrise: 7:47 AM
Moon Transit: 2:00 PM
Moonset: 8:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:37 AM - 3:07 PM
1:30 PM - 4:00 PM

Minor Periods

8:02 PM - 9:32 PM
7:17 AM - 8:47 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Patchy light snow
28.3°F
8.9°F
18.6°F
78%
0.02 in
87%
35%
3.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.4 μg/m3
PM10: 7.72 μg/m3
Carbon Monoxide: 199.43 μg/m3
Nitrogen Dioxide: 4.99 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 77.62 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:12 AM
Sunset: 5:27 PM
Daylight: 10 hrs 30 mins
Moonrise: 8:02 AM
Moon Transit: 2:47 PM
Moonset: 9:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:17 PM - 4:47 PM

Minor Periods

9:22 PM - 10:52 PM
7:32 AM - 9:02 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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