Water Temperature of the Kootenai River in Porthill, ID

Current Water Temperature

40.5°F

Measurement Time: Wednesday, March 4, 2026, 10:45 AM PST

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)
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

43.3°F
Clear
Clear
43.1°F
47.3°F
89%
NW 2.2 mph
6.7 mph
44.2°F
45.2°F
0 in
0%
0 mi
1008 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 52°F
L: 42°F
Sunny
Thu
H: 47°F
L: 36°F
Overcast
Fri
H: 42°F
L: 33°F
Mist
Sat
H: 44°F
L: 31°F
Moderate rain
Sun
H: 42°F
L: 29°F

Air Quality

AQI: 1 - Good
PM2.5: 1.55 μg/m3
PM10: 1.55 μg/m3
Carbon Monoxide: 187.85 μg/m3
Nitrogen Dioxide: 5.05 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 11:57 AM
Sunset: 5:34 PM
Daylight: 11 hrs 12 mins
Moonrise: 7:26 PM
Moon Transit: 12:34 AM
Moonset: 6:42 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
8:47 AM - 11:17 AM

Minor Periods

6:56 PM - 8:26 PM
6:12 AM - 7:42 AM

Action Rating: 4 out of 5

Wednesday, March 4, 2026

Weather Forecast

Patchy rain nearby
52.3°F
41.5°F
45.6°F
77%
0.05 in
87%
0%
2.5 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 5.01 μg/m3
PM10: 5.33 μg/m3
Carbon Monoxide: 190.25 μg/m3
Nitrogen Dioxide: 4.04 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 73.8 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 11:57 AM
Sunset: 5:34 PM
Daylight: 11 hrs 12 mins
Moonrise: 7:26 PM
Moon Transit: 12:34 AM
Moonset: 6:42 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
8:47 AM - 11:17 AM

Minor Periods

6:56 PM - 8:26 PM
6:12 AM - 7:42 AM

Action Rating: 4 out of 5

Thursday, March 5, 2026

Weather Forecast

Sunny
47.1°F
36°F
40.4°F
70%
0 in
0%
0%
4.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 1.34 μg/m3
PM10: 1.36 μg/m3
Carbon Monoxide: 188.25 μg/m3
Nitrogen Dioxide: 4.05 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 61.16 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 11:57 AM
Sunset: 5:36 PM
Daylight: 11 hrs 16 mins
Moonrise: 8:39 PM
Moon Transit: 1:17 AM
Moonset: 6:55 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
9:30 AM - 12:00 AM

Minor Periods

8:09 PM - 9:39 PM
6:25 AM - 7:55 AM

Action Rating: 4 out of 5

Friday, March 6, 2026

Weather Forecast

Overcast
42.4°F
32.5°F
37.2°F
76%
0 in
0%
0%
4.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.89 μg/m3
PM10: 3.15 μg/m3
Carbon Monoxide: 174.33 μg/m3
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 78.48 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 11:57 AM
Sunset: 5:37 PM
Daylight: 11 hrs 20 mins
Moonrise: 9:52 PM
Moon Transit: 2:00 AM
Moonset: 7:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
10:13 AM - 12:43 AM

Minor Periods

9:22 PM - 10:52 PM
6:39 AM - 8:09 AM

Action Rating: 3 out of 5

Saturday, March 7, 2026

Weather Forecast

Mist
43.9°F
31.1°F
39.6°F
91%
0 in
0%
0%
4.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.74 μg/m3
PM10: 2.96 μg/m3
Carbon Monoxide: 171.32 μg/m3
Nitrogen Dioxide: 3.93 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 64.92 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 11:56 AM
Sunset: 5:39 PM
Daylight: 11 hrs 23 mins
Moonrise: 11:04 PM
Moon Transit: 2:43 AM
Moonset: 7:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:13 AM - 4:43 AM
10:57 AM - 1:27 PM

Minor Periods

12:00 AM - 12:00 AM
6:56 AM - 8:26 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Moderate rain
42.3°F
29°F
38.2°F
90%
0.39 in
88%
0%
11.6 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.26 μg/m3
Carbon Monoxide: 192.91 μg/m3
Nitrogen Dioxide: 5.74 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 11:56 AM
Sunset: 5:41 PM
Daylight: 11 hrs 27 mins
Moonrise: 12:04 AM
Moon Transit: 3:29 AM
Moonset: 7:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

2:59 AM - 5:29 AM
11:43 AM - 2:13 PM

Minor Periods

7:16 AM - 8:46 AM
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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