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

Current Water Temperature

59.7°F

Measurement Time: Saturday, August 1, 2026, 5:50 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

54.4°F
Clear
Clear
49.5°F
54.4°F
43%
WSW 5.6 mph
11.7 mph
53.1°F
32.3°F
0 in
0%
6 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 86°F
L: 54°F
Sunny
Mon
H: 86°F
L: 51°F
Sunny
Tue
H: 74°F
L: 41°F
Sunny
Wed
H: 79°F
L: 46°F
Sunny
Thu
H: 82°F
L: 48°F

Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 125 μg/m3
Nitrogen Dioxide: 8.4 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:08 PM
Sunset: 8:16 PM
Daylight: 14 hrs 15 mins
Moonrise: 10:12 PM
Moon Transit: 3:53 AM
Moonset: 10:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
4:20 PM - 6:50 PM

Minor Periods

9:42 PM - 11:12 PM
9:38 AM - 11:08 AM

Action Rating: 3 out of 5

Heat Advisory issued August 1 at 1:03PM MDT until August 3 at 9:00PM MDT by NWS Denver CO

Effective: Sat August 1, 2026, 1:03 PM
Expires: Sun August 2, 2026, 3:15 AM

* WHAT...Temperatures of 98 to 104 on Sunday and 96 to 101 on Monday. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, Briggsdale, and Greeley. * WHEN...From noon Sunday to 9 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Sunday, August 2, 2026

Weather Forecast

Sunny
86°F
53.6°F
69.4°F
26%
0 in
1%
0%
8.9 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 5.41 μg/m3
PM10: 6.79 μg/m3
Carbon Monoxide: 117.92 μg/m3
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 97.58 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:08 PM
Sunset: 8:16 PM
Daylight: 14 hrs 15 mins
Moonrise: 10:12 PM
Moon Transit: 3:53 AM
Moonset: 10:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
4:20 PM - 6:50 PM

Minor Periods

9:42 PM - 11:12 PM
9:38 AM - 11:08 AM

Action Rating: 3 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
85.6°F
51°F
69.3°F
26%
0 in
17%
0%
17.4 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 5.82 μg/m3
PM10: 7.8 μg/m3
Carbon Monoxide: 116.33 μg/m3
Nitrogen Dioxide: 4.33 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 99.54 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:08 PM
Sunset: 8:15 PM
Daylight: 14 hrs 13 mins
Moonrise: 10:35 PM
Moon Transit: 12:00 AM
Moonset: 11:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

10:05 PM - 11:35 PM
10:45 AM - 12:15 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
74°F
41°F
57.2°F
44%
0 in
1%
0%
7.8 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 10.81 μg/m3
PM10: 12.03 μg/m3
Carbon Monoxide: 153.5 μg/m3
Nitrogen Dioxide: 3.69 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 102.92 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:08 PM
Sunset: 8:14 PM
Daylight: 14 hrs 11 mins
Moonrise: 11:01 PM
Moon Transit: 5:22 AM
Moonset: 12:24 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:52 AM - 7:22 AM
3:08 PM - 5:38 PM

Minor Periods

12:00 AM - 12:00 AM
11:54 AM - 1:24 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Sunny
78.7°F
45.7°F
62°F
28%
0 in
2%
0%
11.6 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 8.18 μg/m3
PM10: 9.11 μg/m3
Carbon Monoxide: 133.85 μg/m3
Nitrogen Dioxide: 4.34 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 97.88 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:08 PM
Sunset: 8:12 PM
Daylight: 14 hrs 8 mins
Moonrise: 12:01 AM
Moon Transit: 6:12 AM
Moonset: 1:36 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
3:59 PM - 6:29 PM

Minor Periods

1:06 PM - 2:36 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
82.2°F
47.8°F
63.1°F
31%
0.14 in
57%
0%
8.5 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 4.94 μg/m3
PM10: 5.59 μg/m3
Carbon Monoxide: 173.43 μg/m3
Nitrogen Dioxide: 10.74 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 66.57 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 1:08 PM
Sunset: 8:11 PM
Daylight: 14 hrs 6 mins
Moonrise: 12:32 AM
Moon Transit: 7:05 AM
Moonset: 2:52 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
4:54 PM - 7:24 PM

Minor Periods

2:22 PM - 3:52 PM
12:00 AM - 12:00 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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