Water Temperature of the Boise River in Caldwell, ID
Current Water Temperature
Measurement Time: Friday, January 16, 2026, 9:45 AM MST
Temperature Locations
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Local Points of Interest
Rotary Pond ParkStation 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

Five Day Weather Forecast

Fri
H: 33°F
L: 27°F

Sat
H: 34°F
L: 28°F

Sun
H: 48°F
L: 31°F

Mon
H: 46°F
L: 33°F

Tue
H: 47°F
L: 32°F
Air Quality
Nitrogen Dioxide: 34.15 μg/m3
Sulphur Dioxide: 4.05 μg/m3
Ozone: 23 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 5:37 PM
Daylight: 9 hrs 20 mins
Moon Transit: 11:16 AM
Moonset: 3:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
7:31 PM - 10:01 PM10:46 AM - 1:16 PM
Minor Periods
2:53 PM - 4:23 PM6:42 AM - 8:12 AM
Action Rating: 3 out of 5
Dense Fog Advisory issued January 16 at 2:51AM MST until January 16 at 1:00PM MST by NWS Boise ID
Effective: Fri January 16, 2026, 2:51 AM
Expires: Fri January 16, 2026, 1:00 PM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...For the Dense Fog Advisory, until 1 PM MST /noon PST/ this afternoon. For the Air Stagnation Advisory, until 5 AM MST /4 AM PST/ Monday. * IMPACTS...Low visibility could make driving conditions hazardous. Poor air quality may cause issues for people with respiratory problems.
If driving, slow down, use your low-beam headlights, and leave plenty of distance ahead of you. Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air.
Air Stagnation Advisory issued January 16 at 2:51AM MST until January 19 at 5:00AM MST by NWS Boise ID
Effective: Fri January 16, 2026, 2:51 AM
Expires: Fri January 16, 2026, 1:00 PM
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...For the Dense Fog Advisory, until 1 PM MST /noon PST/ this afternoon. For the Air Stagnation Advisory, until 5 AM MST /4 AM PST/ Monday. * IMPACTS...Low visibility could make driving conditions hazardous. Poor air quality may cause issues for people with respiratory problems.
If driving, slow down, use your low-beam headlights, and leave plenty of distance ahead of you. Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air.
Air Stagnation Advisory issued January 16 at 11:01AM MST until January 19 at 5:00AM MST by NWS Boise ID
Effective: Fri January 16, 2026, 11:01 AM
Expires: Sat January 17, 2026, 7:00 AM
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones. * WHEN...Until 5 AM MST /4 AM PST/ Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air.
Air Stagnation Advisory issued January 16 at 1:54PM MST until January 20 at 5:00PM MST by NWS Boise ID
Effective: Fri January 16, 2026, 1:54 PM
Expires: Sat January 17, 2026, 3:00 PM
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 PM MST /4 PM PST/ Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air.
Air Stagnation Advisory issued January 16 at 11:01AM MST until January 19 at 5:00AM MST by NWS Boise ID
Effective: Fri January 16, 2026, 11:01 AM
Expires: Sat January 17, 2026, 7:00 AM
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central and southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air.
Air Stagnation Advisory issued January 16 at 2:51AM MST until January 19 at 5:00AM MST by NWS Boise ID
Effective: Fri January 16, 2026, 2:51 AM
Expires: Fri January 16, 2026, 1:00 PM
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of southwest Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air.
Weather Forecast
Air Quality
Nitrogen Dioxide: 17.15 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 34.44 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 5:37 PM
Daylight: 9 hrs 20 mins
Moon Transit: 11:16 AM
Moonset: 3:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
7:31 PM - 10:01 PM10:46 AM - 1:16 PM
Minor Periods
2:53 PM - 4:23 PM6:42 AM - 8:12 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 22.92 μg/m3
Sulphur Dioxide: 2.91 μg/m3
Ozone: 34.56 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 5:38 PM
Daylight: 9 hrs 22 mins
Moon Transit: 12:09 AM
Moonset: 4:26 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
8:24 PM - 10:54 PM11:39 AM - 2:09 PM
Minor Periods
3:56 PM - 5:26 PM7:28 AM - 8:58 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 30.36 μg/m3
Sulphur Dioxide: 3.87 μg/m3
Ozone: 24.46 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 5:39 PM
Daylight: 9 hrs 24 mins
Moon Transit: 1:00 PM
Moonset: 5:33 PM
Moon Phase: New
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
9:14 PM - 11:44 PM12:30 AM - 3:00 PM
Minor Periods
5:03 PM - 6:33 PM8:05 AM - 9:35 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 5:41 PM
Daylight: 9 hrs 26 mins
Moon Transit: 1:49 PM
Moonset: 6:44 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:19 PM - 3:49 PM
Minor Periods
6:14 PM - 7:44 PM8:35 AM - 10:05 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 5:42 PM
Daylight: 9 hrs 28 mins
Moon Transit: 2:36 PM
Moonset: 7:54 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:06 PM - 4:36 PM
Minor Periods
7:24 PM - 8:54 PM8:59 AM - 10:29 AM
Action Rating: 3 out of 5
