Water Temperature of the Kootenai River in Porthill, ID

Current Water Temperature

32.0°F

Measurement Time: Wednesday, September 23, 2026, 12:46 PM PDT

Temperature Locations

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Local Points of Interest

Boundary Creek; Rykert Creek

Kootenai River

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

Elevation Above Sea Level: 1,749 feet

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 mi)
Okanogan River, Oroville, WA (132.2 mi)
Osoyoos Lake, Oroville, WA (133 mi)
Similkameen River , Nighthawk, WA (141 mi)
Clark Fork River, Superior, MT (145 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)

Weather for Porthill, Idaho

Current Weather

63°F
Partly Cloudy
Partly Cloudy
53%
S 3 mph
46°F

Weather Forecast

Partly Cloudy
Tonight
45°F - Partly Cloudy
Mostly Sunny
Thursday
75°F - Mostly Sunny
Mostly Cloudy then Chance Rain Showers
Thursday Night
52°F - Mostly Cloudy then Chance Rain Showers
Rain Showers
Friday
65°F - Rain Showers
Rain Showers
Friday Night
46°F - Rain Showers
Chance Rain Showers then Partly Sunny
Saturday
59°F - Chance Rain Showers then Partly Sunny
Mostly Cloudy
Saturday Night
41°F - Mostly Cloudy
Partly Sunny
Sunday
62°F - Partly Sunny
Partly Cloudy
Sunday Night
42°F - Partly Cloudy
Mostly Sunny
Monday
62°F - Mostly Sunny
Partly Cloudy
Monday Night
43°F - Partly Cloudy
Slight Chance Rain Showers
Tuesday
62°F - Slight Chance Rain Showers
Slight Chance Rain Showers
Tuesday Night
44°F - Slight Chance Rain Showers
Slight Chance Rain Showers then Partly Sunny
Wednesday
64°F - Slight Chance Rain Showers then Partly Sunny

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:38 AM
Sunset: 6:42 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:35 PM
Moon Transit: 10:46 PM
Moonset: 2:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

6:15 AM - 8:45 AM
12:00 AM - 12:00 AM

Minor Periods

5:05 PM - 6:35 PM
2:27 AM - 3:57 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:38 AM
Sunset: 6:42 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:35 PM
Moon Transit: 10:46 PM
Moonset: 2:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

6:15 AM - 8:45 AM
12:00 AM - 12:00 AM

Minor Periods

5:05 PM - 6:35 PM
2:27 AM - 3:57 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:37 AM
Sunset: 6:39 PM
Daylight: 12 hrs 3 mins
Moonrise: 5:50 PM
Moon Transit: 11:30 PM
Moonset: 4:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
12:00 AM - 12:00 AM

Minor Periods

5:20 PM - 6:50 PM
3:40 AM - 5:10 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:37 AM
Sunset: 6:39 PM
Daylight: 12 hrs 3 mins
Moonrise: 5:50 PM
Moon Transit: 11:30 PM
Moonset: 4:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

7:00 AM - 9:30 AM
12:00 AM - 12:00 AM

Minor Periods

5:20 PM - 6:50 PM
3:40 AM - 5:10 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:37 AM
Sunset: 6:37 PM
Daylight: 12 hrs mins
Moonrise: 6:05 PM
Moon Transit: 12:00 AM
Moonset: 5:25 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:35 PM - 7:05 PM
4:55 AM - 6:25 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:37 AM
Sunset: 6:37 PM
Daylight: 12 hrs mins
Moonrise: 6:05 PM
Moon Transit: 12:00 AM
Moonset: 5:25 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:35 PM - 7:05 PM
4:55 AM - 6:25 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:37 AM
Sunset: 6:35 PM
Daylight: 11 hrs 56 mins
Moonrise: 6:20 PM
Moon Transit: 5:33 AM
Moonset: 6:41 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

5:50 PM - 7:20 PM
6:11 AM - 7:41 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:37 AM
Sunset: 6:35 PM
Daylight: 11 hrs 56 mins
Moonrise: 6:20 PM
Moon Transit: 5:33 AM
Moonset: 6:41 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

5:50 PM - 7:20 PM
6:11 AM - 7:41 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:36 AM
Sunset: 6:33 PM
Daylight: 11 hrs 53 mins
Moonrise: 6:37 PM
Moon Transit: 1:00 AM
Moonset: 8:00 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
9:15 AM - 11:45 AM

Minor Periods

6:07 PM - 7:37 PM
7:30 AM - 9:00 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:36 AM
Sunset: 6:33 PM
Daylight: 11 hrs 53 mins
Moonrise: 6:37 PM
Moon Transit: 1:00 AM
Moonset: 8:00 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
9:15 AM - 11:45 AM

Minor Periods

6:07 PM - 7:37 PM
7:30 AM - 9:00 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:36 AM
Sunset: 6:31 PM
Daylight: 11 hrs 49 mins
Moonrise: 6:57 PM
Moon Transit: 1:49 AM
Moonset: 9:21 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:19 AM - 3:49 AM
10:05 AM - 12:35 AM

Minor Periods

6:27 PM - 7:57 PM
8:51 AM - 10:21 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:36 AM
Sunset: 6:31 PM
Daylight: 11 hrs 49 mins
Moonrise: 6:57 PM
Moon Transit: 1:49 AM
Moonset: 9:21 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:19 AM - 3:49 AM
10:05 AM - 12:35 AM

Minor Periods

6:27 PM - 7:57 PM
8:51 AM - 10:21 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:36 AM
Sunset: 6:29 PM
Daylight: 11 hrs 46 mins
Moonrise: 7:23 PM
Moon Transit: 2:41 AM
Moonset: 10:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
10:59 AM - 1:29 PM

Minor Periods

6:53 PM - 8:23 PM
10:16 AM - 11:46 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:36 AM
Sunset: 6:29 PM
Daylight: 11 hrs 46 mins
Moonrise: 7:23 PM
Moon Transit: 2:41 AM
Moonset: 10:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
10:59 AM - 1:29 PM

Minor Periods

6:53 PM - 8:23 PM
10:16 AM - 11:46 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:35 AM
Sunset: 6:27 PM
Daylight: 11 hrs 42 mins
Moonrise: 8:00 PM
Moon Transit: 3:38 AM
Moonset: 12:10 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:08 AM - 5:38 AM
11:57 AM - 2:27 PM

Minor Periods

7:30 PM - 9:00 PM
11:40 AM - 1:10 PM

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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