Water Temperature of the Roaring Fork River in Aspen, CO

Current Water Temperature

44.1°F

Measurement Time: Thursday, May 14, 2026, 11:00 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

37.9°F
Clear
Clear
34.1°F
32.1°F
50%
SSE 4.9 mph
10.3 mph
27.3°F
11.4°F
0 in
0%
9 mi
1020 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 66°F
L: 32°F
Patchy rain nearby
Sat
H: 66°F
L: 31°F
Moderate rain
Sun
H: 58°F
L: 26°F
Moderate rain
Mon
H: 45°F
L: 10°F
Partly Cloudy
Tue
H: 55°F
L: 9°F

Air Quality

AQI: 1 - Good
PM2.5: 4.75 μg/m3
PM10: 10.65 μg/m3
Carbon Monoxide: 125.85 μg/m3
Nitrogen Dioxide: 0.95 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 140 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:03 PM
Sunset: 8:14 PM
Daylight: 14 hrs 20 mins
Moonrise: 4:42 AM
Moon Transit: 11:56 AM
Moonset: 7:24 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:26 AM - 1:56 PM

Minor Periods

6:54 PM - 8:24 PM
4:12 AM - 5:42 AM

Action Rating: 5 out of 5

Red Flag Warning issued May 14 at 10:38AM MDT until May 14 at 8:00PM MDT by NWS Grand Junction CO

Effective: Thu May 14, 2026, 10:38 AM
Expires: Fri May 15, 2026, 12:00 AM

The National Weather Service in Grand Junction has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from noon to 8 PM MDT Friday. * AFFECTED AREA...In Colorado, Fire Weather Zone 293 Gunnison Basin Forecast Area. * TIMING...For the first Red Flag Warning, until 8 PM MDT this evening. For the second Red Flag Warning, from noon to 8 PM MDT Friday. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...12 to 17 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 14 at 10:38AM MDT until May 15 at 8:00PM MDT by NWS Grand Junction CO

Effective: Thu May 14, 2026, 10:38 AM
Expires: Fri May 15, 2026, 12:00 AM

The National Weather Service in Grand Junction has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from noon to 8 PM MDT Friday. * AFFECTED AREA...In Colorado, Fire Weather Zone 293 Gunnison Basin Forecast Area. * TIMING...For the first Red Flag Warning, until 8 PM MDT this evening. For the second Red Flag Warning, from noon to 8 PM MDT Friday. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...12 to 17 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.


Fire Weather Watch issued May 14 at 10:38AM MDT until May 16 at 8:00PM MDT by NWS Grand Junction CO

Effective: Thu May 14, 2026, 10:38 AM
Expires: Fri May 15, 2026, 12:00 AM

The National Weather Service in Grand Junction has issued a Fire Weather Watch for gusty winds, low relative humidity and dry fuels, which is in effect from Saturday afternoon through Saturday evening. * 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 Saturday afternoon through Saturday evening. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...11 to 16 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued May 14 at 10:19PM MDT until May 15 at 8:00PM MDT by NWS Grand Junction CO

Effective: Thu May 14, 2026, 10:19 PM
Expires: Fri May 15, 2026, 6:30 PM

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little Snake Forecast Area, Fire Weather Zone 202 White River Forecast Area and Fire Weather Zone 293 Gunnison Basin Forecast Area. In Utah, Fire Weather Zone 486 Eastern Uinta Basin and Fire Weather Zone 487 Book Cliffs. * TIMING...From noon to 8 PM MDT Friday. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...8 to 13 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.


Fire Weather Watch issued May 14 at 10:19PM MDT until May 16 at 8:00PM MDT by NWS Grand Junction CO

Effective: Thu May 14, 2026, 10:19 PM
Expires: Fri May 15, 2026, 6:30 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 Saturday afternoon through Saturday evening. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...11 to 16 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Friday, May 15, 2026

Weather Forecast

Sunny
66.4°F
31.8°F
48.6°F
29%
0 in
0%
0%
14.1 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 5.88 μg/m3
PM10: 15.81 μg/m3
Carbon Monoxide: 127.81 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 121.92 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:03 PM
Sunset: 8:14 PM
Daylight: 14 hrs 20 mins
Moonrise: 4:42 AM
Moon Transit: 11:56 AM
Moonset: 7:24 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:26 AM - 1:56 PM

Minor Periods

6:54 PM - 8:24 PM
4:12 AM - 5:42 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Patchy rain nearby
65.7°F
30.5°F
48.3°F
46%
0.07 in
89%
6%
15.4 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.66 μg/m3
PM10: 10.52 μg/m3
Carbon Monoxide: 125.65 μg/m3
Nitrogen Dioxide: 1.53 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 120.72 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

Moderate rain
58.4°F
25.9°F
41.4°F
68%
0.45 in
85%
21%
18.3 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 4.61 μg/m3
PM10: 8.76 μg/m3
Carbon Monoxide: 124.77 μg/m3
Nitrogen Dioxide: 1.48 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 116.92 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
45.2°F
10.2°F
34.2°F
83%
0.52 in
89%
22%
7.8 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 4.84 μg/m3
PM10: 12.99 μg/m3
Carbon Monoxide: 123.74 μg/m3
Nitrogen Dioxide: 1.32 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 117.68 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

Partly Cloudy
55.3°F
9.1°F
28.6°F
70%
0 in
0%
0%
15.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.17 μg/m3
PM10: 4.3 μg/m3
Carbon Monoxide: 123.8 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 120.31 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

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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