Water Temperature of the Madison River in Grayling, MT

Current Water Temperature

59.7°F

Measurement Time: Friday, September 11, 2026, 9:45 PM MDT

Temperature Locations

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Local Points of Interest

Hebgen Lake; West Yellowstone, MT

Madison River

Station Name: Madison River bl Hebgen Lake nr Grayling MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 6,503 feet

Nearest Address:
8998 Hebgen Lake Rd
Grayling, MT 59758
Gallatin County

GPS Coordinates: 44.86639167, -111.3387806

Nearby Water Temperatures

Madison River, Cameron, MT (12 mi)
Madison River, West Yellowstone, MT (19.6 mi)
Gibbon River, Yellowstone National Park, WY (28.1 mi)
Firehole River, Yellowstone National Park, WY (28.9 mi)
Yellowstone River, Corwin Springs, MT (31.6 mi)
Tantalus Creek, Yellowstone National Park, WY (32 mi)
Madison River, Ennis, MT (32.4 mi)
Boiling River Hot Springs, Yellowstone National Park, WY (32.8 mi)
Firehole River, Yellowstone National Park, WY (37.9 mi)
Madison River, Norris, MT (45.4 mi)
Lamar River, Yellowstone National Park, WY (46.4 mi)
Snake River, Flagg Ranch, WY (62.5 mi)
Ruby River, Twin Bridges, MT (65.5 mi)
Jefferson River, Twin Bridges, MT (70.6 mi)
Big Hole River, Glen, MT (71.3 mi)

Weather for Grayling, Montana

Current Weather

39°F
Partly Cloudy
Partly Cloudy
93%
NNW 1 mph
37°F

Weather Forecast

Partly Cloudy
Overnight
37°F - Partly Cloudy
Areas Of Fog then Mostly Sunny
Saturday
70°F - Areas Of Fog then Mostly Sunny
Partly Cloudy
Saturday Night
42°F - Partly Cloudy
Mostly Sunny
Sunday
66°F - Mostly Sunny
Mostly Clear
Sunday Night
32°F - Mostly Clear
Sunny
Monday
59°F - Sunny
Mostly Clear
Monday Night
32°F - Mostly Clear
Sunny
Tuesday
64°F - Sunny
Mostly Clear
Tuesday Night
35°F - Mostly Clear
Sunny
Wednesday
66°F - Sunny
Mostly Clear
Wednesday Night
36°F - Mostly Clear
Sunny
Thursday
69°F - Sunny
Mostly Clear
Thursday Night
39°F - Mostly Clear
Mostly Sunny
Friday
70°F - Mostly Sunny

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:21 PM
Sunset: 7:41 PM
Daylight: 12 hrs 41 mins
Moonrise: 8:51 AM
Moon Transit: 2:34 PM
Moonset: 8:07 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

7:37 PM - 9:07 PM
8:21 AM - 9:51 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: 7:01 AM
Sun Transit: 1:21 PM
Sunset: 7:41 PM
Daylight: 12 hrs 41 mins
Moonrise: 8:51 AM
Moon Transit: 2:34 PM
Moonset: 8:07 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

7:37 PM - 9:07 PM
8:21 AM - 9:51 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: 7:01 AM
Sun Transit: 1:21 PM
Sunset: 7:41 PM
Daylight: 12 hrs 41 mins
Moonrise: 8:51 AM
Moon Transit: 2:34 PM
Moonset: 8:07 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

7:37 PM - 9:07 PM
8:21 AM - 9:51 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: 7:01 AM
Sun Transit: 1:21 PM
Sunset: 7:41 PM
Daylight: 12 hrs 41 mins
Moonrise: 8:51 AM
Moon Transit: 2:34 PM
Moonset: 8:07 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

7:37 PM - 9:07 PM
8:21 AM - 9:51 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: 7:02 AM
Sun Transit: 1:21 PM
Sunset: 7:39 PM
Daylight: 12 hrs 37 mins
Moonrise: 10:02 AM
Moon Transit: 3:19 PM
Moonset: 8:28 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:49 PM - 5:19 PM

Minor Periods

7:58 PM - 9:28 PM
9:32 AM - 11:02 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: 7:02 AM
Sun Transit: 1:21 PM
Sunset: 7:39 PM
Daylight: 12 hrs 37 mins
Moonrise: 10:02 AM
Moon Transit: 3:19 PM
Moonset: 8:28 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:49 PM - 5:19 PM

Minor Periods

7:58 PM - 9:28 PM
9:32 AM - 11:02 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: 7:03 AM
Sun Transit: 1:20 PM
Sunset: 7:37 PM
Daylight: 12 hrs 34 mins
Moonrise: 11:12 AM
Moon Transit: 4:06 PM
Moonset: 8:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:16 AM - 2:46 AM
3:36 PM - 6:06 PM

Minor Periods

8:21 PM - 9:51 PM
10:42 AM - 12:12 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: 7:03 AM
Sun Transit: 1:20 PM
Sunset: 7:37 PM
Daylight: 12 hrs 34 mins
Moonrise: 11:12 AM
Moon Transit: 4:06 PM
Moonset: 8:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

12:16 AM - 2:46 AM
3:36 PM - 6:06 PM

Minor Periods

8:21 PM - 9:51 PM
10:42 AM - 12:12 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: 7:04 AM
Sun Transit: 1:20 PM
Sunset: 7:36 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:22 AM
Moon Transit: 4:53 PM
Moonset: 9:18 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

1:03 AM - 3:33 AM
4:23 PM - 6:53 PM

Minor Periods

8:48 PM - 10:18 PM
11:52 AM - 1:22 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: 7:04 AM
Sun Transit: 1:20 PM
Sunset: 7:36 PM
Daylight: 12 hrs 31 mins
Moonrise: 12:22 AM
Moon Transit: 4:53 PM
Moonset: 9:18 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

1:03 AM - 3:33 AM
4:23 PM - 6:53 PM

Minor Periods

8:48 PM - 10:18 PM
11:52 AM - 1:22 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: 7:05 AM
Sun Transit: 1:20 PM
Sunset: 7:34 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:29 PM
Moon Transit: 5:43 PM
Moonset: 9:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
5:13 PM - 7:43 PM

Minor Periods

9:22 PM - 10:52 PM
12:59 AM - 2:29 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: 7:05 AM
Sun Transit: 1:20 PM
Sunset: 7:34 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:29 PM
Moon Transit: 5:43 PM
Moonset: 9:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
5:13 PM - 7:43 PM

Minor Periods

9:22 PM - 10:52 PM
12:59 AM - 2:29 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: 7:07 AM
Sun Transit: 1:19 PM
Sunset: 7:32 PM
Daylight: 12 hrs 25 mins
Moonrise: 2:32 PM
Moon Transit: 6:34 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
6:04 PM - 8:34 PM

Minor Periods

10:05 PM - 11:35 PM
2:02 PM - 3:32 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: 7:07 AM
Sun Transit: 1:19 PM
Sunset: 7:32 PM
Daylight: 12 hrs 25 mins
Moonrise: 2:32 PM
Moon Transit: 6:34 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
6:04 PM - 8:34 PM

Minor Periods

10:05 PM - 11:35 PM
2:02 PM - 3:32 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: 7:08 AM
Sun Transit: 1:19 PM
Sunset: 7:30 PM
Daylight: 12 hrs 22 mins
Moonrise: 3:26 PM
Moon Transit: 7:25 PM
Moonset: 11:25 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

3:33 AM - 6:03 AM
6:55 PM - 9:25 PM

Minor Periods

12:00 AM - 12:00 AM
2:56 PM - 4:26 PM

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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