Water Temperature of the Roaring Fork River in Aspen, CO

Current Water Temperature

50.4°F

Measurement Time: Saturday, May 16, 2026, 1:00 PM MDT

Temperature Locations

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Roaring Fork River

Station Name: ROARING FORK RIVER BLW MAROON CREEK NR ASPEN, CO
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 7,598 feet

Nearest Address:
400 Service Center Dr
Aspen, CO 81611
Pitkin County

GPS Coordinates: 39.2232, -106.8573083

Nearby Water Temperatures

Roaring Fork River, Basalt, CO (15.9 mi)
Halfmoon Creek, Twin Lakes, CO (25.3 mi)
Eagle River, Gypsum, CO (30.2 mi)
Colorado River, Glenwood Springs, CO (32.8 mi)
Roaring Fork River, Glenwood Springs, CO (33.7 mi)
Colorado River, Glenwood Springs, CO (33.9 mi)
Eagle River, Edwards, CO (34 mi)
Arkansas River, Granite, CO (34.1 mi)
Colorado River, Glenwood Springs, CO (37.5 mi)
Colorado River, Burns, CO (46.2 mi)
Colorado River, Rulison, CO (60.7 mi)
Fraser River, Tabernash, CO (76.2 mi)
Fraser River, Tabernash, CO (76.3 mi)
Dry Fork Roan Creek, De Beque, CO (78.8 mi)
Yampa River, Steamboat Springs, CO (87 mi)

Weather for Aspen, Colorado

Current Weather

66°F
Partly Cloudy
Partly Cloudy
66°F
57.2°F
25%
WSW 11.2 mph
12.9 mph
55.9°F
24.8°F
0 in
25%
9 mi
1011 mbar
0.3

Five Day Weather Forecast

Partly Cloudy
Sat
H: 67°F
L: 32°F
Patchy rain nearby
Sun
H: 56°F
L: 27°F
Moderate rain
Mon
H: 43°F
L: 17°F
Patchy rain nearby
Tue
H: 49°F
L: 14°F
Sunny
Wed
H: 56°F
L: 20°F

Air Quality

AQI: 1 - Good
PM2.5: 3.75 μg/m3
PM10: 6.65 μg/m3
Carbon Monoxide: 129.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:03 PM
Sunset: 8:15 PM
Daylight: 14 hrs 22 mins
Moonrise: 5:19 AM
Moon Transit: 12:55 AM
Moonset: 8:45 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:25 AM - 2:55 PM

Minor Periods

8:15 PM - 9:45 PM
4:49 AM - 6:19 AM

Action Rating: 5 out of 5

Red Flag Warning issued May 16 at 1:40AM MDT until May 16 at 8:00PM MDT by NWS Grand Junction CO

Effective: Sat May 16, 2026, 1:40 AM
Expires: Sat May 16, 2026, 3:45 PM

* AFFECTED AREA...In Colorado, Fire Weather Zone 203 Lower Colorado River and Fire Weather Zone 205 Colorado River Headwaters below 8000 feet. * TIMING...From noon today to 8 PM MDT this evening. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued May 16 at 12:40PM MDT until May 16 at 8:00PM MDT by NWS Grand Junction CO

Effective: Sat May 16, 2026, 12:40 PM
Expires: Sat May 16, 2026, 8:00 PM

* AFFECTED AREA...In Colorado, Fire Weather Zone 203 Lower Colorado River and Fire Weather Zone 205 Colorado River Headwaters below 8000 feet. * TIMING...Until 8 PM MDT this evening. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued May 16 at 12:33AM MDT until May 16 at 8:00PM MDT by NWS Pueblo CO

Effective: Sat May 16, 2026, 12:33 AM
Expires: Sat May 16, 2026, 4:45 PM

* AFFECTED AREA...Fire Weather Zone 220. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued May 16 at 11:53AM MDT until May 16 at 8:00PM MDT by NWS Pueblo CO

Effective: Sat May 16, 2026, 11:53 AM
Expires: Sat May 16, 2026, 8:00 PM

* AFFECTED AREA...Fire Weather Zone 220. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued May 16 at 1:40AM MDT until May 16 at 8:00PM MDT by NWS Grand Junction CO

Effective: Sat May 16, 2026, 1:40 AM
Expires: Sat May 16, 2026, 3:45 PM

* AFFECTED AREA...In Colorado, Fire Weather Zone 290 Paradox Valley Forecast Area and Fire Weather Zone 292 North Fork Forecast Area. In Utah, Fire Weather Zone 490 Colorado River Basin. * TIMING...From noon today to 8 PM MDT this evening. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Saturday, May 16, 2026

Weather Forecast

Partly Cloudy
66.5°F
31.6°F
50.2°F
29%
0 in
0%
0%
16.1 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 5.33 μg/m3
PM10: 11.17 μg/m3
Carbon Monoxide: 125.61 μg/m3
Nitrogen Dioxide: 1.56 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 118.12 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:03 PM
Sunset: 8:15 PM
Daylight: 14 hrs 22 mins
Moonrise: 5:19 AM
Moon Transit: 12:55 AM
Moonset: 8:45 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:25 AM - 2:55 PM

Minor Periods

8:15 PM - 9:45 PM
4:49 AM - 6:19 AM

Action Rating: 5 out of 5

Sunday, May 17, 2026

Weather Forecast

Patchy rain nearby
55.6°F
27.3°F
42.8°F
58%
0.13 in
90%
4%
15.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 3.77 μg/m3
PM10: 7.23 μg/m3
Carbon Monoxide: 125.53 μg/m3
Nitrogen Dioxide: 1.46 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 115.44 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:03 PM
Sunset: 8:16 PM
Daylight: 14 hrs 24 mins
Moonrise: 6:06 AM
Moon Transit: 2:00 PM
Moonset: 10:02 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:30 PM - 4:00 PM

Minor Periods

9:32 PM - 11:02 PM
5:36 AM - 7:06 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Moderate rain
42.9°F
17.3°F
35.2°F
76%
0.51 in
82%
12%
10.7 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 7.07 μg/m3
Carbon Monoxide: 126.89 μg/m3
Nitrogen Dioxide: 1.37 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 109.28 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:03 PM
Sunset: 8:17 PM
Daylight: 14 hrs 26 mins
Moonrise: 7:04 AM
Moon Transit: 3:07 PM
Moonset: 11:11 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:37 PM - 5:07 PM

Minor Periods

12:00 AM - 12:00 AM
6:34 AM - 8:04 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Patchy rain nearby
49.4°F
14.1°F
31.9°F
74%
0.04 in
89%
3%
9.2 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 1.98 μg/m3
PM10: 2.18 μg/m3
Carbon Monoxide: 125.55 μg/m3
Nitrogen Dioxide: 1.94 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 101.6 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:03 PM
Sunset: 8:18 PM
Daylight: 14 hrs 27 mins
Moonrise: 8:14 AM
Moon Transit: 4:13 PM
Moonset: 12:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

12:50 AM - 3:20 AM
3:43 PM - 6:13 PM

Minor Periods

7:44 AM - 9:14 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Sunny
56.3°F
19.8°F
37.9°F
55%
0 in
0%
0%
8.5 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 4.13 μg/m3
PM10: 5.11 μg/m3
Carbon Monoxide: 139.58 μg/m3
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 115.77 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:04 PM
Sunset: 8:19 PM
Daylight: 14 hrs 29 mins
Moonrise: 9:29 AM
Moon Transit: 5:15 PM
Moonset: 12:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

1:54 AM - 4:24 AM
4:45 PM - 7:15 PM

Minor Periods

8:59 AM - 10:29 AM
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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