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

Current Water Temperature

43.0°F

Measurement Time: Saturday, April 18, 2026, 2:50 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

32.5°F
Clear
Clear
25.7°F
24.8°F
43%
W 7.6 mph
16 mph
16.3°F
7.6°F
0 in
0%
9 mi
1026 mbar
0

Five Day Weather Forecast

Patchy moderate snow
Sat
H: 41°F
L: 10°F
Sunny
Sun
H: 54°F
L: 19°F
Partly Cloudy
Mon
H: 61°F
L: 29°F
Patchy rain nearby
Tue
H: 65°F
L: 36°F
Sunny
Wed
H: 63°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 8.15 μg/m3
Carbon Monoxide: 146.85 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 125 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:01 PM
Sunset: 7:44 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:40 AM
Moon Transit: 2:08 PM
Moonset: 9:51 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:38 PM - 4:08 PM

Minor Periods

9:21 PM - 10:51 PM
6:10 AM - 7:40 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Patchy moderate snow
41.2°F
10.4°F
25.6°F
49%
0.02 in
61%
29%
11.4 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 4.37 μg/m3
PM10: 6.47 μg/m3
Carbon Monoxide: 147.25 μg/m3
Nitrogen Dioxide: 2.67 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 132.12 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:01 PM
Sunset: 7:44 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:40 AM
Moon Transit: 2:08 PM
Moonset: 9:51 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:38 PM - 4:08 PM

Minor Periods

9:21 PM - 10:51 PM
6:10 AM - 7:40 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Sunny
53.9°F
19.4°F
36.6°F
33%
0 in
0%
0%
12.1 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 10.89 μg/m3
Carbon Monoxide: 158.73 μg/m3
Nitrogen Dioxide: 3.31 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 136.16 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:01 PM
Sunset: 7:45 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:19 AM
Moon Transit: 3:09 PM
Moonset: 11:10 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:39 PM - 5:09 PM

Minor Periods

12:00 AM - 12:00 AM
6:49 AM - 8:19 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Partly Cloudy
60.7°F
29.4°F
44.4°F
31%
0 in
0%
0%
11.6 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 5.19 μg/m3
PM10: 13.48 μg/m3
Carbon Monoxide: 153.25 μg/m3
Nitrogen Dioxide: 4.14 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 131.68 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:01 PM
Sunset: 7:47 PM
Daylight: 13 hrs 30 mins
Moonrise: 8:10 AM
Moon Transit: 4:14 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
3:44 PM - 6:14 PM

Minor Periods

7:40 AM - 9:10 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Patchy rain nearby
64.6°F
36.2°F
49.9°F
35%
0.01 in
77%
0%
8.3 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 4.84 μg/m3
PM10: 9.08 μg/m3
Carbon Monoxide: 148.91 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 126.2 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:01 PM
Sunset: 7:48 PM
Daylight: 13 hrs 32 mins
Moonrise: 9:11 AM
Moon Transit: 5:19 PM
Moonset: 12:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
4:49 PM - 7:19 PM

Minor Periods

8:41 AM - 10:11 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Sunny
63.1°F
36.2°F
48.8°F
37%
0 in
0%
0%
27.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.7 μg/m3
PM10: 8.89 μg/m3
Carbon Monoxide: 170.04 μg/m3
Nitrogen Dioxide: 5.96 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 120.46 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:00 PM
Sunset: 7:49 PM
Daylight: 13 hrs 35 mins
Moonrise: 10:21 AM
Moon Transit: 6:21 PM
Moonset: 1:24 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

3:10 AM - 5:40 AM
5:51 PM - 8:21 PM

Minor Periods

9:51 AM - 11:21 AM
12:54 AM - 2:24 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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