Water Temperature of the Similkameen River in Nighthawk, WA

Current Water Temperature

68.7°F

Measurement Time: Monday, July 27, 2026, 4:30 AM 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

77.2°F
Sunny
Sunny
66.4°F
76.8°F
31%
SE 6.5 mph
7.5 mph
77.2°F
44.7°F
0 in
14%
6 mi
1013 mbar
5.8

Five Day Weather Forecast

Smoky haze
Mon
H: 83°F
L: 56°F
Smoky haze
Tue
H: 85°F
L: 49°F
Smoky haze
Wed
H: 84°F
L: 46°F
Smoky haze
Thu
H: 86°F
L: 51°F
Smoky haze
Fri
H: 90°F
L: 52°F

Air Quality

AQI: 4 - Unhealthy
PM2.5: 33.5 μg/m3
PM10: 36.3 μg/m3
Carbon Monoxide: 169 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 1:05 PM
Sunset: 8:44 PM
Daylight: 15 hrs 20 mins
Moonrise: 8:13 PM
Moon Transit: 12:00 AM
Moonset: 2:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:05 AM - 9:35 AM

Minor Periods

7:43 PM - 9:13 PM
2:28 AM - 3:58 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Smoky haze
82.8°F
56.2°F
71.4°F
35%
0 in
1%
0%
7.4 mph
6.1


Air Quality

AQI: 4 - Unhealthy
PM2.5: 65.42 μg/m3
PM10: 68.38 μg/m3
Carbon Monoxide: 146.79 μg/m3
Nitrogen Dioxide: 9.21 μg/m3
Sulphur Dioxide: 3.92 μg/m3
Ozone: 124.5 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 1:05 PM
Sunset: 8:44 PM
Daylight: 15 hrs 20 mins
Moonrise: 8:13 PM
Moon Transit: 12:00 AM
Moonset: 2:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:05 AM - 9:35 AM

Minor Periods

7:43 PM - 9:13 PM
2:28 AM - 3:58 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Smoky haze
85.3°F
49.1°F
66.7°F
37%
0 in
1%
0%
9.4 mph
6.3


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 57.16 μg/m3
PM10: 59.85 μg/m3
Carbon Monoxide: 241.08 μg/m3
Nitrogen Dioxide: 9.18 μg/m3
Sulphur Dioxide: 2.91 μg/m3
Ozone: 93.96 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 1:05 PM
Sunset: 8:43 PM
Daylight: 15 hrs 17 mins
Moonrise: 8:41 PM
Moon Transit: 12:05 AM
Moonset: 4:05 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:55 AM - 10:25 AM

Minor Periods

8:11 PM - 9:41 PM
3:35 AM - 5:05 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Smoky haze
84.1°F
45.8°F
65.1°F
37%
0 in
1%
0%
6.3 mph
5.9


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 42.94 μg/m3
PM10: 44.27 μg/m3
Carbon Monoxide: 329.63 μg/m3
Nitrogen Dioxide: 8.98 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 79.83 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 1:05 PM
Sunset: 8:42 PM
Daylight: 15 hrs 14 mins
Moonrise: 9:02 PM
Moon Transit: 12:54 AM
Moonset: 5:16 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
8:43 AM - 11:13 AM

Minor Periods

8:32 PM - 10:02 PM
4:46 AM - 6:16 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Smoky haze
86.3°F
50.7°F
68.5°F
29%
0 in
1%
0%
8.5 mph
6.1


Air Quality

AQI: 4 - Unhealthy
PM2.5: 74 μg/m3
PM10: 77.5 μg/m3
Carbon Monoxide: 303.8 μg/m3
Nitrogen Dioxide: 9.91 μg/m3
Sulphur Dioxide: 4.32 μg/m3
Ozone: 142.79 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 1:04 PM
Sunset: 8:40 PM
Daylight: 15 hrs 11 mins
Moonrise: 9:20 PM
Moon Transit: 1:40 AM
Moonset: 6:30 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
9:28 AM - 11:58 AM

Minor Periods

8:50 PM - 10:20 PM
6:00 AM - 7:30 AM

Action Rating: 4 out of 5

Friday, July 31, 2026

Weather Forecast

Smoky haze
90.4°F
52.2°F
71.4°F
26%
0 in
1%
0%
7.4 mph
8


Air Quality

AQI: 4 - Unhealthy
PM2.5: 92.98 μg/m3
PM10: 96.9 μg/m3
Carbon Monoxide: 835.67 μg/m3
Nitrogen Dioxide: 21.37 μg/m3
Sulphur Dioxide: 5.75 μg/m3
Ozone: 101.83 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 1:04 PM
Sunset: 8:39 PM
Daylight: 15 hrs 9 mins
Moonrise: 9:35 PM
Moon Transit: 2:25 AM
Moonset: 7:42 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:55 AM - 4:25 AM
10:12 AM - 12:42 AM

Minor Periods

9:05 PM - 10:35 PM
7:12 AM - 8:42 AM

Action Rating: 4 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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