Water Temperature of the Boise River in Caldwell, ID

Current Water Temperature

61.9°F

Measurement Time: Thursday, October 1, 2026, 6:45 AM MDT

Temperature Locations

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Local Points of Interest

Rotary Pond Park

Boise River

Station Name: BOISE RIVER AT CALDWELL, ID
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 2,343 feet

Nearest Address:
W Chicago Street
Caldwell, ID 83605-5407
Canyon County

GPS Coordinates: 43.67735278, -116.7011306

Nearby Water Temperatures

Boise River, Caldwell, ID (0.2 mi)
Boise River, Parma, ID (15.4 mi)
Snake River, Nyssa, OR (19.6 mi)
Snake River, King Hill, ID (88.6 mi)
Owyhee River, Bruneau, ID (98.2 mi)
Yankee Fork Salmon River, Sunbeam, ID (106.3 mi)
Meadow Creek, Stibnite, ID (106.8 mi)
East Fork South Fork Salmon River, Stibnite, ID (108.6 mi)
Sugar Creek, Yellow Pine, ID (110.1 mi)
East Fork Wallowa River, Joseph, OR (112.9 mi)
Box Canyon Springs, Wendell, ID (116.4 mi)
Briggs Spring, Buhl, ID (117.9 mi)
Snake River, Buhl, ID (122.2 mi)
Niagara Springs, Buhl, ID (123.8 mi)
Donner und Blitzen River, Frenchglen, OR (125.1 mi)

Weather for Caldwell, Idaho

Current Weather

68°F
Sunny
Sunny
55%
NW 3 mph
51°F

Weather Forecast

Sunny
This Afternoon
81°F - Sunny
Mostly Clear
Tonight
46°F - Mostly Clear
Mostly Sunny
Friday
82°F - Mostly Sunny
Mostly Clear
Friday Night
48°F - Mostly Clear
Sunny
Saturday
84°F - Sunny
Mostly Clear
Saturday Night
48°F - Mostly Clear
Sunny
Sunday
87°F - Sunny
Partly Cloudy
Sunday Night
52°F - Partly Cloudy
Mostly Sunny
Monday
85°F - Mostly Sunny
Mostly Clear
Monday Night
50°F - Mostly Clear
Sunny
Tuesday
82°F - Sunny
Mostly Clear
Tuesday Night
48°F - Mostly Clear
Sunny
Wednesday
82°F - Sunny
Mostly Clear
Wednesday Night
49°F - Mostly Clear

Astronomical

Sunrise: 7:44 AM
Sun Transit: 1:36 PM
Sunset: 7:27 PM
Daylight: 11 hrs 43 mins
Moonrise: 10:21 PM
Moon Transit: 5:39 AM
Moonset: 1:59 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

5:09 AM - 7:39 AM
1:58 PM - 4:28 PM

Minor Periods

9:51 PM - 11:21 PM
1:29 PM - 2:59 PM

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: 7:44 AM
Sun Transit: 1:36 PM
Sunset: 7:27 PM
Daylight: 11 hrs 43 mins
Moonrise: 10:21 PM
Moon Transit: 5:39 AM
Moonset: 1:59 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

5:09 AM - 7:39 AM
1:58 PM - 4:28 PM

Minor Periods

9:51 PM - 11:21 PM
1:29 PM - 2:59 PM

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: 7:44 AM
Sun Transit: 1:36 PM
Sunset: 7:27 PM
Daylight: 11 hrs 43 mins
Moonrise: 10:21 PM
Moon Transit: 5:39 AM
Moonset: 1:59 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

5:09 AM - 7:39 AM
1:58 PM - 4:28 PM

Minor Periods

9:51 PM - 11:21 PM
1:29 PM - 2:59 PM

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: 7:46 AM
Sun Transit: 1:36 PM
Sunset: 7:25 PM
Daylight: 11 hrs 40 mins
Moonrise: 11:26 PM
Moon Transit: 6:42 AM
Moonset: 3:04 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
3:00 PM - 5:30 PM

Minor Periods

12:00 AM - 12:00 AM
2:34 PM - 4:04 PM

Action Rating: 2 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: 7:46 AM
Sun Transit: 1:36 PM
Sunset: 7:25 PM
Daylight: 11 hrs 40 mins
Moonrise: 11:26 PM
Moon Transit: 6:42 AM
Moonset: 3:04 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
3:00 PM - 5:30 PM

Minor Periods

12:00 AM - 12:00 AM
2:34 PM - 4:04 PM

Action Rating: 2 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: 7:47 AM
Sun Transit: 1:35 PM
Sunset: 7:24 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:26 AM
Moon Transit: 7:44 AM
Moonset: 3:55 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

7:14 AM - 9:44 AM
4:02 PM - 6:32 PM

Minor Periods

3:25 PM - 4:55 PM
12:00 AM - 12:00 AM

Action Rating: 2 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: 7:47 AM
Sun Transit: 1:35 PM
Sunset: 7:24 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:26 AM
Moon Transit: 7:44 AM
Moonset: 3:55 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

7:14 AM - 9:44 AM
4:02 PM - 6:32 PM

Minor Periods

3:25 PM - 4:55 PM
12:00 AM - 12:00 AM

Action Rating: 2 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: 7:48 AM
Sun Transit: 1:35 PM
Sunset: 7:22 PM
Daylight: 11 hrs 34 mins
Moonrise: 12:41 AM
Moon Transit: 8:44 AM
Moonset: 4:36 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

8:14 AM - 10:44 AM
5:00 PM - 7:30 PM

Minor Periods

4:06 PM - 5:36 PM
12:11 AM - 1:41 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: 7:48 AM
Sun Transit: 1:35 PM
Sunset: 7:22 PM
Daylight: 11 hrs 34 mins
Moonrise: 12:41 AM
Moon Transit: 8:44 AM
Moonset: 4:36 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

8:14 AM - 10:44 AM
5:00 PM - 7:30 PM

Minor Periods

4:06 PM - 5:36 PM
12:11 AM - 1:41 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: 7:49 AM
Sun Transit: 1:35 PM
Sunset: 7:20 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:58 AM
Moon Transit: 9:40 AM
Moonset: 5:07 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

5:54 PM - 8:24 PM
9:10 AM - 11:40 AM

Minor Periods

4:37 PM - 6:07 PM
1:28 AM - 2:58 AM

Action Rating: 2 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: 7:49 AM
Sun Transit: 1:35 PM
Sunset: 7:20 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:58 AM
Moon Transit: 9:40 AM
Moonset: 5:07 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

5:54 PM - 8:24 PM
9:10 AM - 11:40 AM

Minor Periods

4:37 PM - 6:07 PM
1:28 AM - 2:58 AM

Action Rating: 2 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: 7:50 AM
Sun Transit: 1:34 PM
Sunset: 7:18 PM
Daylight: 11 hrs 28 mins
Moonrise: 3:15 AM
Moon Transit: 10:31 AM
Moonset: 5:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

6:45 PM - 9:15 PM
10:01 AM - 12:31 AM

Minor Periods

5:02 PM - 6:32 PM
2:45 AM - 4:15 AM

Action Rating: 2 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: 7:50 AM
Sun Transit: 1:34 PM
Sunset: 7:18 PM
Daylight: 11 hrs 28 mins
Moonrise: 3:15 AM
Moon Transit: 10:31 AM
Moonset: 5:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

6:45 PM - 9:15 PM
10:01 AM - 12:31 AM

Minor Periods

5:02 PM - 6:32 PM
2:45 AM - 4:15 AM

Action Rating: 2 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: 7:52 AM
Sun Transit: 1:34 PM
Sunset: 7:17 PM
Daylight: 11 hrs 25 mins
Moonrise: 4:31 AM
Moon Transit: 11:19 AM
Moonset: 5:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

7:32 PM - 10:02 PM
10:49 AM - 1:19 PM

Minor Periods

5:24 PM - 6:54 PM
4:01 AM - 5:31 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: 7:52 AM
Sun Transit: 1:34 PM
Sunset: 7:17 PM
Daylight: 11 hrs 25 mins
Moonrise: 4:31 AM
Moon Transit: 11:19 AM
Moonset: 5:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

7:32 PM - 10:02 PM
10:49 AM - 1:19 PM

Minor Periods

5:24 PM - 6:54 PM
4:01 AM - 5:31 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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