Water Temperature of the Similkameen River in Nighthawk, WA

Current Water Temperature

66.9°F

Measurement Time: Monday, August 3, 2026, 12:30 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

70°F
Smoky haze
Smoky haze
65.3°F
71.9°F
23%
NNE 2.2 mph
3.3 mph
70°F
31°F
0 in
0%
2 mi
1017 mbar
0

Five Day Weather Forecast

Smoke
Mon
H: 78°F
L: 53°F
Smoke
Tue
H: 85°F
L: 58°F
Smoke
Wed
H: 90°F
L: 52°F
Smoke
Thu
H: 95°F
L: 56°F
Smoke
Fri
H: 91°F
L: 55°F

Air Quality

AQI: 6 - Hazardous
PM2.5: 146.7 μg/m3
PM10: 149 μg/m3
Carbon Monoxide: 128 μg/m3
Nitrogen Dioxide: 40.8 μg/m3
Sulphur Dioxide: 10.8 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 15 hrs mins
Moonrise: 10:18 PM
Moon Transit: 12:00 AM
Moonset: 11:23 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

9:48 PM - 11:18 PM
10:53 AM - 12:23 AM

Action Rating: 2 out of 5

Monday, August 3, 2026

Weather Forecast

Smoke
78.3°F
53.2°F
64.9°F
34%
0 in
1%
0%
6.3 mph
4.1


Air Quality

AQI: 5 - Very Unhealthy
PM2.5: 200.22 μg/m3
PM10: 202.46 μg/m3
Carbon Monoxide: 1001.13 μg/m3
Nitrogen Dioxide: 45.56 μg/m3
Sulphur Dioxide: 15.69 μg/m3
Ozone: 77.21 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 15 hrs mins
Moonrise: 10:18 PM
Moon Transit: 12:00 AM
Moonset: 11:23 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

9:48 PM - 11:18 PM
10:53 AM - 12:23 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Smoke
84.5°F
57.7°F
69.9°F
24%
0 in
0%
0%
6.3 mph
2.2


Air Quality

AQI: 6 - Hazardous
PM2.5: 289.2 μg/m3
PM10: 294.2 μg/m3
Carbon Monoxide: 1873.38 μg/m3
Nitrogen Dioxide: 68.48 μg/m3
Sulphur Dioxide: 24.89 μg/m3
Ozone: 152.67 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:04 PM
Sunset: 8:33 PM
Daylight: 14 hrs 57 mins
Moonrise: 10:37 PM
Moon Transit: 5:20 AM
Moonset: 12:42 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:50 AM - 7:20 AM
1:10 PM - 3:40 PM

Minor Periods

10:07 PM - 11:37 PM
12:12 AM - 1:42 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Smoke
90.2°F
52.3°F
71.2°F
24%
0 in
0%
0%
6.7 mph
0.1


Air Quality

AQI: 6 - Hazardous
PM2.5: 409.35 μg/m3
PM10: 419.4 μg/m3
Carbon Monoxide: 3053.83 μg/m3
Nitrogen Dioxide: 107.46 μg/m3
Sulphur Dioxide: 38.98 μg/m3
Ozone: 210.5 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:04 PM
Sunset: 8:31 PM
Daylight: 14 hrs 54 mins
Moonrise: 11:00 PM
Moon Transit: 6:10 AM
Moonset: 2:03 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
2:00 PM - 4:30 PM

Minor Periods

10:30 PM - 12:00 PM
1:33 PM - 3:03 PM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Smoke
94.6°F
55.6°F
74.8°F
21%
0 in
1%
0%
7.4 mph
0.4


Air Quality

AQI: 6 - Hazardous
PM2.5: 394.95 μg/m3
PM10: 404.54 μg/m3
Carbon Monoxide: 2949.42 μg/m3
Nitrogen Dioxide: 119.9 μg/m3
Sulphur Dioxide: 41.67 μg/m3
Ozone: 187.5 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:04 PM
Sunset: 8:30 PM
Daylight: 14 hrs 51 mins
Moonrise: 11:31 PM
Moon Transit: 7:04 AM
Moonset: 3:27 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
2:56 PM - 5:26 PM

Minor Periods

12:00 AM - 12:00 AM
2:57 PM - 4:27 PM

Action Rating: 2 out of 5

Friday, August 7, 2026

Weather Forecast

Smoke
91.2°F
54.8°F
72.4°F
25%
0 in
0%
0%
11.4 mph
8


Air Quality

AQI: 6 - Hazardous
PM2.5: 278.25 μg/m3
PM10: 282.15 μg/m3
Carbon Monoxide: 1773.41 μg/m3
Nitrogen Dioxide: 73.54 μg/m3
Sulphur Dioxide: 23.79 μg/m3
Ozone: 107.29 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:04 PM
Sunset: 8:28 PM
Daylight: 14 hrs 48 mins
Moonrise: 12:31 AM
Moon Transit: 8:03 AM
Moonset: 4:49 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:33 AM - 10:03 AM
3:57 PM - 6:27 PM

Minor Periods

4:19 PM - 5:49 PM
12:00 AM - 12:00 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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