Water Temperature of the Big Thompson River in Estes Park, CO

Current Water Temperature

50.7°F

Measurement Time: Friday, September 4, 2026, 2:35 AM MDT

Temperature Locations

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Big Thompson River

Station Name: BIG THOMPSON BL MORAINE PARK NR ESTES PARK, CO
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 8,025 feet

Nearest Address:
Moraine Park Rd
Estes Park, CO 80517
Larimer County

GPS Coordinates: 40.3538611, -105.5841389

Nearby Water Temperatures

Fraser River, Tabernash, CO (27.7 mi)
Fraser River, Tabernash, CO (28.3 mi)
South Boulder Creek, Eldorado Springs, CO (32.5 mi)
South Platte River, Denver, CO (49.9 mi)
South Platte River, Englewood, CO (56.6 mi)
Yampa River, Steamboat Springs, CO (66.3 mi)
South Platte River, Roxborough Park, CO (68.7 mi)
Colorado River, Burns, CO (73.3 mi)
Eagle River, Edwards, CO (75.2 mi)
Encampment River, Encampment, WY (79.8 mi)
Eagle River, Gypsum, CO (87.7 mi)
Halfmoon Creek, Twin Lakes, CO (92.2 mi)
Arkansas River, Granite, CO (97.6 mi)
Roaring Fork River, Aspen, CO (103.3 mi)
Roaring Fork River, Basalt, CO (104.5 mi)

Weather for Estes Park, Colorado

Current Weather

59°F
Sunny
Sunny
45%
W 9 mph
38°F

Weather Forecast

Sunny then Slight Chance Showers And Thunderstorms
Today
80°F - Sunny then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Partly Cloudy
Tonight
53°F - Slight Chance Rain Showers then Partly Cloudy
Partly Sunny then Slight Chance Showers And Thunderstorms
Saturday
78°F - Partly Sunny then Slight Chance Showers And Thunderstorms
Mostly Cloudy
Saturday Night
52°F - Mostly Cloudy
Partly Sunny then Chance Showers And Thunderstorms
Sunday
78°F - Partly Sunny then Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms then Mostly Cloudy
Sunday Night
52°F - Slight Chance Showers And Thunderstorms then Mostly Cloudy
Partly Sunny then Chance Showers And Thunderstorms
Labor Day
76°F - Partly Sunny then Chance Showers And Thunderstorms
Mostly Cloudy
Monday Night
49°F - Mostly Cloudy
Mostly Sunny then Chance Showers And Thunderstorms
Tuesday
75°F - Mostly Sunny then Chance Showers And Thunderstorms
Slight Chance Rain Showers then Partly Cloudy
Tuesday Night
49°F - Slight Chance Rain Showers then Partly Cloudy
Mostly Sunny then Chance Showers And Thunderstorms
Wednesday
77°F - Mostly Sunny then Chance Showers And Thunderstorms
Chance Rain Showers then Mostly Cloudy
Wednesday Night
50°F - Chance Rain Showers then Mostly Cloudy
Partly Sunny then Chance Showers And Thunderstorms
Thursday
76°F - Partly Sunny then Chance Showers And Thunderstorms
Chance Rain Showers then Partly Cloudy
Thursday Night
49°F - Chance Rain Showers then Partly Cloudy

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:01 PM
Sunset: 7:29 PM
Daylight: 12 hrs 56 mins
Moonrise: 11:54 PM
Moon Transit: 7:00 AM
Moonset: 3:06 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
4:50 PM - 7:20 PM

Minor Periods

12:00 AM - 12:00 AM
2:36 PM - 4:06 PM

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: 6:33 AM
Sun Transit: 1:01 PM
Sunset: 7:29 PM
Daylight: 12 hrs 56 mins
Moonrise: 11:54 PM
Moon Transit: 7:00 AM
Moonset: 3:06 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
4:50 PM - 7:20 PM

Minor Periods

12:00 AM - 12:00 AM
2:36 PM - 4:06 PM

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: 6:33 AM
Sun Transit: 1:01 PM
Sunset: 7:29 PM
Daylight: 12 hrs 56 mins
Moonrise: 11:54 PM
Moon Transit: 7:00 AM
Moonset: 3:06 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
4:50 PM - 7:20 PM

Minor Periods

12:00 AM - 12:00 AM
2:36 PM - 4:06 PM

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: 6:34 AM
Sun Transit: 1:00 PM
Sunset: 7:27 PM
Daylight: 12 hrs 53 mins
Moonrise: 12:54 AM
Moon Transit: 8:02 AM
Moonset: 4:08 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
5:53 PM - 8:23 PM

Minor Periods

3:38 PM - 5:08 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: 6:34 AM
Sun Transit: 1:00 PM
Sunset: 7:27 PM
Daylight: 12 hrs 53 mins
Moonrise: 12:54 AM
Moon Transit: 8:02 AM
Moonset: 4:08 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
5:53 PM - 8:23 PM

Minor Periods

3:38 PM - 5:08 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: 6:35 AM
Sun Transit: 1:00 PM
Sunset: 7:26 PM
Daylight: 12 hrs 51 mins
Moonrise: 1:02 AM
Moon Transit: 9:04 AM
Moonset: 4:58 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
6:55 PM - 9:25 PM

Minor Periods

4:28 PM - 5:58 PM
12:32 AM - 2:02 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: 6:35 AM
Sun Transit: 1:00 PM
Sunset: 7:26 PM
Daylight: 12 hrs 51 mins
Moonrise: 1:02 AM
Moon Transit: 9:04 AM
Moonset: 4:58 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
6:55 PM - 9:25 PM

Minor Periods

4:28 PM - 5:58 PM
12:32 AM - 2:02 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: 6:36 AM
Sun Transit: 1:00 PM
Sunset: 7:24 PM
Daylight: 12 hrs 48 mins
Moonrise: 2:18 AM
Moon Transit: 10:04 AM
Moonset: 5:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

7:53 PM - 10:23 PM
9:34 AM - 12:04 AM

Minor Periods

5:09 PM - 6:39 PM
1:48 AM - 3:18 AM

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: 6:36 AM
Sun Transit: 1:00 PM
Sunset: 7:24 PM
Daylight: 12 hrs 48 mins
Moonrise: 2:18 AM
Moon Transit: 10:04 AM
Moonset: 5:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

7:53 PM - 10:23 PM
9:34 AM - 12:04 AM

Minor Periods

5:09 PM - 6:39 PM
1:48 AM - 3:18 AM

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: 6:37 AM
Sun Transit: 1:00 PM
Sunset: 7:22 PM
Daylight: 12 hrs 45 mins
Moonrise: 3:34 AM
Moon Transit: 11:00 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

8:47 PM - 11:17 PM
10:30 AM - 1:00 PM

Minor Periods

5:42 PM - 7:12 PM
3:04 AM - 4:34 AM

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: 6:37 AM
Sun Transit: 1:00 PM
Sunset: 7:22 PM
Daylight: 12 hrs 45 mins
Moonrise: 3:34 AM
Moon Transit: 11:00 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

8:47 PM - 11:17 PM
10:30 AM - 1:00 PM

Minor Periods

5:42 PM - 7:12 PM
3:04 AM - 4:34 AM

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: 6:38 AM
Sun Transit: 1:00 PM
Sunset: 7:21 PM
Daylight: 12 hrs 43 mins
Moonrise: 4:51 AM
Moon Transit: 11:51 AM
Moonset: 6:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:21 AM - 1:51 PM

Minor Periods

6:10 PM - 7:40 PM
4:21 AM - 5:51 AM

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: 6:38 AM
Sun Transit: 1:00 PM
Sunset: 7:21 PM
Daylight: 12 hrs 43 mins
Moonrise: 4:51 AM
Moon Transit: 11:51 AM
Moonset: 6:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:21 AM - 1:51 PM

Minor Periods

6:10 PM - 7:40 PM
4:21 AM - 5:51 AM

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: 6:39 AM
Sun Transit: 1:00 PM
Sunset: 7:19 PM
Daylight: 12 hrs 40 mins
Moonrise: 6:04 AM
Moon Transit: 12:39 AM
Moonset: 7:04 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

6:34 PM - 8:04 PM
5:34 AM - 7:04 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: 6:39 AM
Sun Transit: 1:00 PM
Sunset: 7:19 PM
Daylight: 12 hrs 40 mins
Moonrise: 6:04 AM
Moon Transit: 12:39 AM
Moonset: 7:04 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

6:34 PM - 8:04 PM
5:34 AM - 7:04 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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