Water Temperature of the Boiling River Hot Springs in Yellowstone National Park, WY

Current Water Temperature

120.4°F

Measurement Time: Tuesday, August 5, 2025, 2:15 AM MDT

Temperature Locations

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Local Points of Interest

Gardner River; Mammoth Hot Springs; Cody, WY

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Boiling River Hot Springs

Station Name: Boiling River at Mammoth,YNP
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 5,686 feet / 1,733 meters

Nearest Address:
N Entrance Rd
Yellowstone National Park, WY 82190
Park County

GPS Coordinates: 44.9851333, -110.6893444

Nearby Water Temperatures

Yellowstone River, Corwin Springs, MT (10.1 mi)
Lamar River, Yellowstone National Park, WY (15.0 mi)
Tantalus Creek, Yellowstone National Park, WY (17.5 mi)
Gibbon River, Yellowstone National Park, WY (25.2 mi)
Firehole River, Yellowstone National Park, WY (26.6 mi)
Madison River, West Yellowstone, MT (29.3 mi)
Madison River, Grayling, MT (32.8 mi)
Firehole River, Yellowstone National Park, WY (36.9 mi)
Madison River, Cameron, MT (44.1 mi)
West Rosebud Creek, Roscoe, MT (51.7 mi)
Madison River, Ennis, MT (54.6 mi)
Madison River, Norris, MT (57.7 mi)
Snake River, Flagg Ranch, WY (61.2 mi)
Jefferson River, Three Forks, MT (76.8 mi)
Snake River, Moran, WY (78.0 mi)

Weather for Yellowstone National Park, Wyoming

Current Weather

53.8°F
Sunny
Conditions: Sunny
Humidity: 67%
Feels Like: 52.7°F
Wind: SSW 4.9 mph
Wind Gusts: 5.7 mph
Pressure: 30.23 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 2

Five Day Weather Forecast

Sunny
Tue
H: 76°F
L: 40°F
Sunny
Wed
H: 82°F
L: 42°F
Sunny
Thu
H: 81°F
L: 47°F
Patchy rain nearby
Fri
H: 67°F
L: 37°F
Sunny
Sat
H: 69°F
L: 32°F

Air Quality

AQI: 1 - Good
PM2.5: 4.26 μg/m3
PM10: 5.18 μg/m3
Carbon Monoxide: 201.65 μg/m3
Nitrogen Dioxide: 0.56 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 109 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:28 PM
Sunset: 8:44 PM
Daylight: 14 hrs 30 mins
Moonrise: 6:54 PM
Moon Transit: 10:50 PM
Moonset: 1:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

7:01 AM - 9:31 AM
12:00 AM - 12:00 AM

Minor Periods

6:24 PM - 7:54 PM
1:22 AM - 2:52 AM

Action Rating: 2 out of 5

Tuesday, August 5, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 58.3°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 11.07 μg/m3
PM10: 19.17 μg/m3
Carbon Monoxide: 216.01 μg/m3
Nitrogen Dioxide: 6.94 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 104.28 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:28 PM
Sunset: 8:44 PM
Daylight: 14 hrs 30 mins
Moonrise: 6:54 PM
Moon Transit: 10:50 PM
Moonset: 1:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

7:01 AM - 9:31 AM
12:00 AM - 12:00 AM

Minor Periods

6:24 PM - 7:54 PM
1:22 AM - 2:52 AM

Action Rating: 2 out of 5

Wednesday, August 6, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 63°F
Average Humidity: 32%
Chance of Rain: 0%
Wind: 15.9 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 6.55 μg/m3
PM10: 15.56 μg/m3
Carbon Monoxide: 211.94 μg/m3
Nitrogen Dioxide: 7.91 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 93.44 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:28 PM
Sunset: 8:42 PM
Daylight: 14 hrs 28 mins
Moonrise: 7:39 PM
Moon Transit: 11:45 PM
Moonset: 2:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

7:56 AM - 10:26 AM
12:00 AM - 12:00 AM

Minor Periods

7:09 PM - 8:39 PM
2:20 AM - 3:50 AM

Action Rating: 3 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 63°F
Average Humidity: 35%
Chance of Rain: 0%
Wind: 19.7 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 7.12 μg/m3
PM10: 12.85 μg/m3
Carbon Monoxide: 208.53 μg/m3
Nitrogen Dioxide: 6.21 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 101.36 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:28 PM
Sunset: 8:41 PM
Daylight: 14 hrs 25 mins
Moonrise: 8:16 PM
Moon Transit: 12:00 AM
Moonset: 3:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:50 AM - 11:20 AM

Minor Periods

7:46 PM - 9:16 PM
3:27 AM - 4:57 AM

Action Rating: 2 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 54°F
Average Humidity: 43%
Chance of Rain: 89%
Wind: 16.6 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 6.44 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 203.28 μg/m3
Nitrogen Dioxide: 4.74 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 89.76 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:28 PM
Sunset: 8:39 PM
Daylight: 14 hrs 22 mins
Moonrise: 8:45 PM
Moon Transit: 12:39 AM
Moonset: 5:10 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:09 AM - 2:39 AM
9:43 AM - 12:13 AM

Minor Periods

8:15 PM - 9:45 PM
4:40 AM - 6:10 AM

Action Rating: 5 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 50.3°F
Average Humidity: 52%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.66 μg/m3
PM10: 2.76 μg/m3
Carbon Monoxide: 219.87 μg/m3
Nitrogen Dioxide: 10.96 μg/m3
Sulphur Dioxide: 0.21 μg/m3
Ozone: 67.23 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:28 PM
Sunset: 8:38 PM
Daylight: 14 hrs 20 mins
Moonrise: 9:08 PM
Moon Transit: 1:30 AM
Moonset: 6:27 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

1:00 AM - 3:30 AM
10:34 AM - 1:04 PM

Minor Periods

8:38 PM - 10:08 PM
5:57 AM - 7:27 AM

Action Rating: 5 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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