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

Current Water Temperature

37.6°F

Measurement Time: Wednesday, May 20, 2026, 10:35 PM 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

26.8°F
Partly Cloudy
Partly Cloudy
20.3°F
27.2°F
86%
WSW 5.6 mph
11.7 mph
21°F
25°F
0 in
0%
9 mi
1020 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 55°F
L: 25°F
Patchy rain nearby
Fri
H: 52°F
L: 26°F
Sunny
Sat
H: 59°F
L: 28°F
Patchy rain nearby
Sun
H: 67°F
L: 37°F
Patchy rain nearby
Mon
H: 71°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 7.65 μg/m3
Carbon Monoxide: 117.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 129 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:00 PM
Sunset: 8:18 PM
Daylight: 14 hrs 37 mins
Moonrise: 10:37 AM
Moon Transit: 6:05 PM
Moonset: 12:48 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

2:59 AM - 5:29 AM
5:35 PM - 8:05 PM

Minor Periods

10:07 AM - 11:37 AM
12:18 AM - 1:48 AM

Action Rating: 4 out of 5

Thursday, May 21, 2026

Weather Forecast

Patchy rain nearby
55.3°F
24.8°F
39.5°F
61%
0.11 in
91%
4%
12.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.87 μg/m3
PM10: 6.69 μg/m3
Carbon Monoxide: 129.29 μg/m3
Nitrogen Dioxide: 4.04 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 113.32 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:00 PM
Sunset: 8:18 PM
Daylight: 14 hrs 37 mins
Moonrise: 10:37 AM
Moon Transit: 6:05 PM
Moonset: 12:48 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

2:59 AM - 5:29 AM
5:35 PM - 8:05 PM

Minor Periods

10:07 AM - 11:37 AM
12:18 AM - 1:48 AM

Action Rating: 4 out of 5

Friday, May 22, 2026

Weather Forecast

Patchy rain nearby
52.1°F
25.9°F
39.6°F
65%
0.07 in
88%
16%
8.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.73 μg/m3
PM10: 4.81 μg/m3
Carbon Monoxide: 134.49 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 108.88 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:00 PM
Sunset: 8:19 PM
Daylight: 14 hrs 39 mins
Moonrise: 11:50 AM
Moon Transit: 6:56 PM
Moonset: 1:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
6:26 PM - 8:56 PM

Minor Periods

11:20 AM - 12:50 AM
12:52 AM - 2:22 AM

Action Rating: 2 out of 5

Saturday, May 23, 2026

Weather Forecast

Sunny
59.1°F
28.2°F
44.2°F
49%
0 in
0%
0%
15.7 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.38 μg/m3
PM10: 4.18 μg/m3
Carbon Monoxide: 126.89 μg/m3
Nitrogen Dioxide: 3.16 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 115.84 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:00 PM
Sunset: 8:19 PM
Daylight: 14 hrs 40 mins
Moonrise: 1:00 PM
Moon Transit: 7:42 PM
Moonset: 1:49 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
7:12 PM - 9:42 PM

Minor Periods

12:30 AM - 2:00 PM
1:19 AM - 2:49 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Patchy rain nearby
67.3°F
36.6°F
50.9°F
49%
0.03 in
87%
0%
12.5 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 6.93 μg/m3
Carbon Monoxide: 125.63 μg/m3
Nitrogen Dioxide: 3.29 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 106.84 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:00 PM
Sunset: 8:20 PM
Daylight: 14 hrs 42 mins
Moonrise: 2:06 PM
Moon Transit: 8:25 PM
Moonset: 2:12 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
7:55 PM - 10:25 PM

Minor Periods

1:36 PM - 3:06 PM
1:42 AM - 3:12 AM

Action Rating: 4 out of 5

Monday, May 25, 2026

Weather Forecast

Patchy rain nearby
70.6°F
40.8°F
52.7°F
47%
0.01 in
66%
0%
8.5 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 4.62 μg/m3
PM10: 8.53 μg/m3
Carbon Monoxide: 150.43 μg/m3
Nitrogen Dioxide: 5.23 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 92.62 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:00 PM
Sunset: 8:21 PM
Daylight: 14 hrs 43 mins
Moonrise: 3:10 PM
Moon Transit: 9:07 PM
Moonset: 2:34 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

6:08 AM - 8:38 AM
8:37 PM - 11:07 PM

Minor Periods

2:40 PM - 4:10 PM
2:04 AM - 3:34 AM

Action Rating: 3 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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