Water Temperature of the Roaring Fork River in Aspen, CO

Current Water Temperature

49.3°F

Measurement Time: Wednesday, May 13, 2026, 5:00 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

57.9°F
Overcast
Overcast
56.7°F
37.8°F
39%
S 6.9 mph
14.6 mph
32.9°F
29°F
0 in
100%
9 mi
1023 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 65°F
L: 32°F
Sunny
Fri
H: 66°F
L: 30°F
Patchy rain nearby
Sat
H: 65°F
L: 28°F
Moderate rain
Sun
H: 52°F
L: 27°F
Patchy rain nearby
Mon
H: 52°F
L: 26°F

Air Quality

PM2.5: 4.75 μg/m3
PM10: 6.75 μg/m3
Carbon Monoxide: 130.85 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 108 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:03 PM
Sunset: 8:13 PM
Daylight: 14 hrs 19 mins
Moonrise: 4:11 AM
Moon Transit: 11:01 AM
Moonset: 6:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

8:38 PM - 11:08 PM
10:31 AM - 1:01 PM

Minor Periods

5:35 PM - 7:05 PM
3:41 AM - 5:11 AM

Action Rating: 3 out of 5

Red Flag Warning issued May 13 at 1:33PM MDT until May 14 at 7:00PM MDT by NWS Pueblo CO

Effective: Wed May 13, 2026, 1:33 PM
Expires: Thu May 14, 2026, 5:45 AM

The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM to 7 PM MDT Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 220, 222 and 225. * TIMING...From 11 AM to 7 PM MDT Thursday. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 12 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 13 at 11:41AM MDT until May 13 at 9:00PM MDT by NWS Grand Junction CO

Effective: Wed May 13, 2026, 11:41 AM
Expires: Wed May 13, 2026, 9:00 PM

* AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little Snake Forecast Area, Fire Weather Zone 202 White River Forecast Area, Fire Weather Zone 290 Paradox Valley Forecast Area and Fire Weather Zone 292 North Fork Forecast Area. * TIMING...Until 9 PM MDT this evening. * WINDS...Southwest 15 to 25 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 13 at 11:41AM MDT until May 14 at 8:00PM MDT by NWS Grand Junction CO

Effective: Wed May 13, 2026, 11:41 AM
Expires: Thu May 14, 2026, 12:00 AM

* AFFECTED AREA...In Colorado, Fire Weather Zone 293 Gunnison Basin Forecast Area. * TIMING...From noon to 8 PM MDT Thursday. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...13 to 18 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

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.
Thursday, May 14, 2026

Weather Forecast

Sunny
65.2°F
31.9°F
49°F
42%
0 in
0%
0%
15 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 7.38 μg/m3
Carbon Monoxide: 134.77 μg/m3
Nitrogen Dioxide: 1.57 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 125.96 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:03 PM
Sunset: 8:13 PM
Daylight: 14 hrs 19 mins
Moonrise: 4:11 AM
Moon Transit: 11:01 AM
Moonset: 6:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

8:38 PM - 11:08 PM
10:31 AM - 1:01 PM

Minor Periods

5:35 PM - 7:05 PM
3:41 AM - 5:11 AM

Action Rating: 3 out of 5

Friday, May 15, 2026

Weather Forecast

Sunny
65.7°F
30.2°F
47.8°F
27%
0 in
0%
0%
13.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.72 μg/m3
PM10: 13.01 μg/m3
Carbon Monoxide: 133.17 μg/m3
Nitrogen Dioxide: 1.88 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 126.8 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
65.4°F
28.4°F
47.3°F
52%
0.09 in
84%
3%
17.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 4.51 μg/m3
PM10: 8.1 μg/m3
Carbon Monoxide: 130.89 μg/m3
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 1.39 μg/m3
Ozone: 127.72 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
51.6°F
26.8°F
39.3°F
83%
0.75 in
84%
20%
11 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 4.05 μg/m3
PM10: 5.55 μg/m3
Carbon Monoxide: 129.85 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 132 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

Patchy rain nearby
52.4°F
26.3°F
38.1°F
81%
0.06 in
85%
25%
11.6 mph
1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 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

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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