Water Temperature of the Similkameen River in Nighthawk, WA

Current Water Temperature

34.3°F

Measurement Time: Wednesday, December 24, 2025, 5:30 AM PST

Temperature Locations

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Local Points of Interest

Ellemeham Wildlife Area

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Similkameen River

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

Elevation Above Sea Level: 1,165 feet / 355 meters

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

37.5°F
Light rain showers
Conditions: Light rain showers
Humidity: 92%
Heat Index: 37.5°F
Feels Like: 36.4°F
Wind: NE 1.9 mph
Wind Gusts: 4 mph
Wind Chill: 36.4°F
Air Pressure: 998.32 millibars
Dew Point: 35.2 F
Precipitation Probability: 53%
Precipitation: 0.01 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Wed
H: 42°F
L: 27°F
Mist
Thu
H: 39°F
L: 30°F
Freezing fog
Fri
H: 34°F
L: 19°F
Sunny
Sat
H: 30°F
L: 14°F
Sunny
Sun
H: 30°F
L: 14°F

Air Quality

AQI: 1 - Good
PM2.5: 8.64 μg/m3
PM10: 9.34 μg/m3
Carbon Monoxide: 171.84 μg/m3
Nitrogen Dioxide: 8.14 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 7:51 AM
Sun Transit: 11:58 AM
Sunset: 4:06 PM
Daylight: 8 hrs 14 mins
Moonrise: 10:48 AM
Moon Transit: 3:50 PM
Moonset: 9:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:20 PM - 5:50 PM

Minor Periods

8:35 PM - 10:05 PM
10:18 AM - 11:48 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued December 24 at 4:22AM PST until December 24 at 10:00AM PST by NWS Spokane WA

Effective: Wed December 24, 2025, 4:22 AM
Expires: Wed December 24, 2025, 10:00 AM

* WHAT...Snow expected, mixed with freezing rain in spots. Total snow accumulation up to 2 inches. Total ice accumulation trace to 0.05 inches. * WHERE...Chesaw Road, Sherman Pass, Highway 20 Wauconda Summit, and Boulder Creek Road. * WHEN...Until 10 AM PST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday morning commute.

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


Winter Weather Advisory issued December 24 at 4:22AM PST until December 24 at 4:00PM PST by NWS Spokane WA

Effective: Wed December 24, 2025, 4:22 AM
Expires: Wed December 24, 2025, 4:00 PM

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches. * WHERE...Winthrop, Methow, Twisp, Conconully, Mazama, and Loup Loup Pass. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning commute. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow accumulation in trees can lead downed trees and branches causing property damage and power outages.

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


Winter Weather Advisory issued December 24 at 9:54AM PST until December 24 at 4:00PM PST by NWS Spokane WA

Effective: Wed December 24, 2025, 9:54 AM
Expires: Wed December 24, 2025, 4:00 PM

* WHAT...Wet snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 45 mph. * WHERE...Conconully, Twisp, Loup Loup Pass, Methow, Mazama, and Winthrop. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches.

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


Wednesday, December 24, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 34.9°F
Average Humidity: 93%
Chance of Rain: 85%
Wind: 6.3 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 3.09 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 174 μg/m3
Nitrogen Dioxide: 4.69 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 64.6 μg/m3

Astronomical

Sunrise: 7:51 AM
Sun Transit: 11:58 AM
Sunset: 4:06 PM
Daylight: 8 hrs 14 mins
Moonrise: 10:48 AM
Moon Transit: 3:50 PM
Moonset: 9:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:20 PM - 5:50 PM

Minor Periods

8:35 PM - 10:05 PM
10:18 AM - 11:48 AM

Action Rating: 2 out of 5

Thursday, December 25, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 34.2°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 4 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 4.38 μg/m3
PM10: 4.72 μg/m3
Carbon Monoxide: 167.72 μg/m3
Nitrogen Dioxide: 5.62 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 61.48 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 11:58 AM
Sunset: 4:06 PM
Daylight: 8 hrs 15 mins
Moonrise: 11:04 AM
Moon Transit: 4:35 PM
Moonset: 10:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:05 PM - 6:35 PM

Minor Periods

9:50 PM - 11:20 PM
10:34 AM - 12:04 AM

Action Rating: 3 out of 5

Friday, December 26, 2025

Weather Forecast

Conditions: Freezing fog
Average Temperature: 29.3°F
Average Humidity: 95%
Chance of Rain: 82%
Wind: 4.7 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 2.3 μg/m3
PM10: 2.51 μg/m3
Carbon Monoxide: 163.84 μg/m3
Nitrogen Dioxide: 4.28 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 12:00 AM
Sunset: 4:07 PM
Daylight: 8 hrs 15 mins
Moonrise: 11:18 AM
Moon Transit: 12:00 AM
Moonset: 11:36 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:22 AM - 2:52 AM

Minor Periods

12:00 AM - 12:00 AM
10:48 AM - 12:18 AM

Action Rating: 2 out of 5

Saturday, December 27, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 19.3°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 4.5 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 2.93 μg/m3
PM10: 3.61 μg/m3
Carbon Monoxide: 154.22 μg/m3
Nitrogen Dioxide: 3.92 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 80.4 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 12:00 AM
Sunset: 4:08 PM
Daylight: 8 hrs 16 mins
Moonrise: 11:32 AM
Moon Transit: 1:23 AM
Moonset: 12:36 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
12:53 AM - 3:23 AM

Minor Periods

11:02 AM - 12:32 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, December 28, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 18.6°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 3.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 3 μg/m3
PM10: 3.41 μg/m3
Carbon Monoxide: 176.53 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 81.54 μg/m3

Astronomical

Sunrise: 7:52 AM
Sun Transit: 12:00 AM
Sunset: 4:09 PM
Daylight: 8 hrs 16 mins
Moonrise: 11:48 AM
Moon Transit: 6:53 PM
Moonset: 12:55 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
6:23 PM - 8:53 PM

Minor Periods

11:18 AM - 12:48 AM
12:25 AM - 1:55 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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