Water Temperature of the Boise River in Caldwell, ID

Current Water Temperature

48.6°F

Measurement Time: Friday, March 6, 2026, 5:45 PM MST

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

43°F
Overcast
Overcast
41.8°F
36.9°F
70%
NNW 2.9 mph
6 mph
34.4°F
31.7°F
0 in
100%
9 mi
1027 mbar
1

Five Day Weather Forecast

Sunny
Sat
H: 58°F
L: 35°F
Mist
Sun
H: 61°F
L: 32°F
Partly Cloudy
Mon
H: 51°F
L: 35°F
Sunny
Tue
H: 46°F
L: 34°F
Sunny
Wed
H: 64°F
L: 31°F

Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 4.15 μg/m3
Carbon Monoxide: 260.85 μg/m3
Nitrogen Dioxide: 11.15 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 32 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:57 AM
Sunset: 6:44 PM
Daylight: 11 hrs 31 mins
Moonrise: 11:45 PM
Moon Transit: 3:44 AM
Moonset: 8:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
11:56 AM - 2:26 PM

Minor Periods

12:00 AM - 12:00 AM
8:12 AM - 9:42 AM

Action Rating: 2 out of 5

Saturday, March 7, 2026

Weather Forecast

Sunny
58.3°F
35.4°F
44.4°F
77%
0 in
0%
0%
3.8 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 4.28 μg/m3
PM10: 5.22 μg/m3
Carbon Monoxide: 282.77 μg/m3
Nitrogen Dioxide: 10.45 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 56.96 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:57 AM
Sunset: 6:44 PM
Daylight: 11 hrs 31 mins
Moonrise: 11:45 PM
Moon Transit: 3:44 AM
Moonset: 8:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
11:56 AM - 2:26 PM

Minor Periods

12:00 AM - 12:00 AM
8:12 AM - 9:42 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Mist
61°F
31.8°F
47.1°F
77%
0 in
0%
0%
8.1 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 4.24 μg/m3
PM10: 4.35 μg/m3
Carbon Monoxide: 218.33 μg/m3
Nitrogen Dioxide: 11.03 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 45.48 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:57 AM
Sunset: 6:45 PM
Daylight: 11 hrs 34 mins
Moonrise: 12:45 AM
Moon Transit: 4:29 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:59 AM - 6:29 AM
12:42 AM - 3:12 PM

Minor Periods

8:37 AM - 10:07 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, March 9, 2026

Weather Forecast

Partly Cloudy
50.7°F
34.7°F
44.8°F
73%
0 in
0%
0%
11 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 2.62 μg/m3
PM10: 3.01 μg/m3
Carbon Monoxide: 233.17 μg/m3
Nitrogen Dioxide: 5.88 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 69.44 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:57 AM
Sunset: 6:46 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:52 AM
Moon Transit: 5:17 AM
Moonset: 9:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
1:30 PM - 4:00 PM

Minor Periods

9:07 AM - 10:37 AM
12:22 AM - 1:52 AM

Action Rating: 3 out of 5

Tuesday, March 10, 2026

Weather Forecast

Sunny
45.7°F
33.9°F
40°F
46%
0 in
0%
0%
15.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 3.77 μg/m3
PM10: 4.89 μg/m3
Carbon Monoxide: 167.84 μg/m3
Nitrogen Dioxide: 5.51 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 85.68 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:57 AM
Sunset: 6:47 PM
Daylight: 11 hrs 40 mins
Moonrise: 1:55 AM
Moon Transit: 6:06 AM
Moonset: 10:15 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%

Best Times for Fishing or Hunting

Major Periods

5:36 AM - 8:06 AM
2:21 PM - 4:51 PM

Minor Periods

9:45 AM - 11:15 AM
1:25 AM - 2:55 AM

Action Rating: 2 out of 5

Wednesday, March 11, 2026

Weather Forecast

Sunny
63.5°F
31.1°F
40.6°F
42%
0 in
0%
0%
8.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 6.66 μg/m3
PM10: 8.08 μg/m3
Carbon Monoxide: 244.56 μg/m3
Nitrogen Dioxide: 16.03 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 58.42 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:56 AM
Sunset: 6:49 PM
Daylight: 11 hrs 43 mins
Moonrise: 2:54 AM
Moon Transit: 6:58 AM
Moonset: 11:01 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
3:12 PM - 5:42 PM

Minor Periods

10:31 AM - 12:01 AM
2:24 AM - 3:54 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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