Water Temperature of the Kootenai River in Porthill, ID

Current Water Temperature

64.6°F

Measurement Time: Saturday, August 2, 2025, 3:45 PM PDT

Temperature Locations

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Local Points of Interest

Boundary Creek; Rykert Creek

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Kootenai River

Station Name: KOOTENAI RIVER AT PORTHILL ID
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,749 feet / 533 meters

Nearest Address:
207 Tavern Farm Rd
Porthill, ID 83805
Boundary County

GPS Coordinates: 48.99638889, -116.5075

Nearby Water Temperatures

Kootenai River, Copeland, ID (7.9 mi)
Kootenai River, Bonners Ferry, ID (15.1 mi)
Kootenai River, Bonners Ferry, ID (22.4 mi)
Kootenai River, Troy, MT (33.5 mi)
Pend Oreille River, Metaline Falls, WA (38.2 mi)
Pend Oreille River, Metaline Falls, WA (38.4 mi)
South Fork Flathead River, Columbia Falls, MT (121.0 mi)
Okanogan River, Oroville, WA (132.2 mi)
Osoyoos Lake, Oroville, WA (133.0 mi)
Similkameen River , Nighthawk, WA (141.0 mi)
Okanogan River, Malott, WA (154.1 mi)
North Fork Clearwater River, Pierce, ID (154.5 mi)
Columbia River, Bridgeport, WA (159.9 mi)
Andrews Creek, Mazama, WA (165.6 mi)
Columbia River, Azwell, WA (169.9 mi)

Weather for Porthill, Idaho

Current Weather

64.8°F
Clear
Conditions: Clear
Humidity: 90%
Feels Like: 64.8°F
Wind: NW 3.1 mph
Wind Gusts: 6.6 mph
Pressure: 30.04 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 80°F
L: 56°F
Sunny
Sun
H: 83°F
L: 52°F
Cloudy
Mon
H: 81°F
L: 61°F
Sunny
Tue
H: 76°F
L: 53°F
Sunny
Wed
H: 81°F
L: 46°F

Air Quality

AQI: 1 - Good
PM2.5: 25.53 μg/m3
PM10: 27.2 μg/m3
Carbon Monoxide: 288.6 μg/m3
Nitrogen Dioxide: 27.38 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:52 AM
Sunset: 8:23 PM
Daylight: 15 hrs 2 mins
Moonrise: 3:34 PM
Moon Transit: 7:37 PM
Moonset: 12:10 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
7:07 PM - 9:37 PM

Minor Periods

3:04 PM - 4:34 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, August 2, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 68.3°F
Average Humidity: 69%
Chance of Rain: 83%
Wind: 5.4 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 23.21 μg/m3
PM10: 25.97 μg/m3
Carbon Monoxide: 270.4 μg/m3
Nitrogen Dioxide: 5.44 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 104.32 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:52 AM
Sunset: 8:23 PM
Daylight: 15 hrs 2 mins
Moonrise: 3:34 PM
Moon Transit: 7:37 PM
Moonset: 12:10 AM
Moon Phase: First Quarter
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
7:07 PM - 9:37 PM

Minor Periods

3:04 PM - 4:34 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, August 3, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.7°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 18.63 μg/m3
PM10: 19.92 μg/m3
Carbon Monoxide: 271.51 μg/m3
Nitrogen Dioxide: 10.6 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 97.96 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:52 AM
Sunset: 8:21 PM
Daylight: 14 hrs 59 mins
Moonrise: 4:43 PM
Moon Transit: 8:27 PM
Moonset: 12:34 AM
Moon Phase: First Quarter
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
7:57 PM - 10:27 PM

Minor Periods

4:13 PM - 5:43 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, August 4, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 70.5°F
Average Humidity: 46%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 9.42 μg/m3
PM10: 9.75 μg/m3
Carbon Monoxide: 259.74 μg/m3
Nitrogen Dioxide: 9.09 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 96.92 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:52 AM
Sunset: 8:20 PM
Daylight: 14 hrs 57 mins
Moonrise: 5:47 PM
Moon Transit: 9:20 PM
Moonset: 12:08 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 79.8%

Best Times for Fishing or Hunting

Major Periods

4:43 AM - 7:13 AM
8:50 PM - 11:20 PM

Minor Periods

5:17 PM - 6:47 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, August 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 64.9°F
Average Humidity: 47%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 10.09 μg/m3
PM10: 10.79 μg/m3
Carbon Monoxide: 237.24 μg/m3
Nitrogen Dioxide: 6.99 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 94.36 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:52 AM
Sunset: 8:18 PM
Daylight: 14 hrs 54 mins
Moonrise: 6:42 PM
Moon Transit: 10:14 PM
Moonset: 12:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
12:00 AM - 12:00 AM

Minor Periods

6:12 PM - 7:42 PM
12:22 AM - 1:52 AM

Action Rating: 3 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 64°F
Average Humidity: 47%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 5

Air Quality

AQI: 1 - Good
PM2.5: 13.16 μg/m3
PM10: 13.6 μg/m3
Carbon Monoxide: 299.13 μg/m3
Nitrogen Dioxide: 11.64 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 87.31 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:51 AM
Sunset: 8:17 PM
Daylight: 14 hrs 51 mins
Moonrise: 7:24 PM
Moon Transit: 11:09 PM
Moonset: 1:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

6:32 AM - 9:02 AM
12:00 AM - 12:00 AM

Minor Periods

6:54 PM - 8:24 PM
1:20 AM - 2:50 AM

Action Rating: 3 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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