Water Temperature of the Roaring Fork River in Aspen, CO

Current Water Temperature

37.2°F

Measurement Time: Friday, October 31, 2025, 7:15 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

28.9°F
Clear
Clear
25.3°F
19.1°F
56%
S 3.4 mph
7 mph
14.2°F
5.6°F
0 in
0%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 50°F
L: 18°F
Patchy rain nearby
Sat
H: 50°F
L: 25°F
Moderate rain
Sun
H: 48°F
L: 31°F
Moderate rain
Mon
H: 46°F
L: 28°F
Patchy rain nearby
Tue
H: 43°F
L: 19°F

Air Quality

PM2.5: 2.95 μg/m3
PM10: 9.65 μg/m3
Carbon Monoxide: 138.85 μg/m3
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 114 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:05 PM
Sunset: 7:54 PM
Daylight: 13 hrs 36 mins
Moonrise: 12:58 AM
Moon Transit: 8:16 PM
Moonset: 2:52 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
7:46 PM - 10:16 PM

Minor Periods

12:28 AM - 1:58 PM
2:22 AM - 3:52 AM

Action Rating: 3 out of 5

Freeze Warning issued April 23 at 5:07AM MDT until April 24 at 8:00AM MDT by NWS Grand Junction CO

Effective: Thu April 23, 2026, 5:07 AM
Expires: Fri April 24, 2026, 12:00 AM

* WHAT...Sub-freezing temperatures expected. * WHERE...Central Yampa River Basin, Lower Yampa River Basin, Animas River Basin, Four Corners/Upper Dolores River, San Juan River Basin, Central Colorado River Basin, and Debeque to Silt Corridor. * WHEN...From 2 AM to 8 AM MDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Freeze Warning issued April 23 at 10:24PM MDT until April 24 at 8:00AM MDT by NWS Grand Junction CO

Effective: Thu April 23, 2026, 10:24 PM
Expires: Fri April 24, 2026, 8:00 AM

* WHAT...Sub-freezing temperatures expected. * WHERE...Central Yampa River Basin, Lower Yampa River Basin, Animas River Basin, Four Corners/Upper Dolores River, San Juan River Basin, Central Colorado River Basin, and Debeque to Silt Corridor. * WHEN...From 2 AM to 8 AM MDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Red Flag Warning issued April 23 at 12:15PM MDT until April 23 at 9:00PM MDT by NWS Pueblo CO

Effective: Thu April 23, 2026, 12:15 PM
Expires: Fri April 24, 2026, 4:15 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 9 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 220, 221, 222, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236 and 237. * TIMING...For the first Red Flag Warning, until 9 PM MDT this evening. For the second Red Flag Warning, from 11 AM to 9 PM MDT Friday. * WINDS...West 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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 April 23 at 12:15PM MDT until April 24 at 9:00PM MDT by NWS Pueblo CO

Effective: Thu April 23, 2026, 12:15 PM
Expires: Fri April 24, 2026, 4:15 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 9 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 220, 221, 222, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236 and 237. * TIMING...For the first Red Flag Warning, until 9 PM MDT this evening. For the second Red Flag Warning, from 11 AM to 9 PM MDT Friday. * WINDS...West 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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 April 23 at 8:02PM MDT until April 24 at 9:00PM MDT by NWS Pueblo CO

Effective: Thu April 23, 2026, 8:02 PM
Expires: Fri April 24, 2026, 12:15 PM

The National Weather Service in Pueblo has cancelled the Red Flag Warning for today. The Red Flag Warning for Friday remains in effect. * AFFECTED AREA...Fire Weather Zones 220, 221, 222, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236 and 237. * TIMING...From 11 AM to 9 PM MDT Friday. * WINDS...West 10 to 20 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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.
Friday, April 24, 2026

Weather Forecast

Sunny
50.2°F
18°F
35°F
36%
0 in
0%
0%
16.1 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 2.71 μg/m3
PM10: 9.64 μg/m3
Carbon Monoxide: 140.13 μg/m3
Nitrogen Dioxide: 1.53 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 113.4 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:05 PM
Sunset: 7:54 PM
Daylight: 13 hrs 36 mins
Moonrise: 12:58 AM
Moon Transit: 8:16 PM
Moonset: 2:52 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
7:46 PM - 10:16 PM

Minor Periods

12:28 AM - 1:58 PM
2:22 AM - 3:52 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Patchy rain nearby
50.2°F
25°F
39.4°F
50%
0.01 in
88%
10%
14.1 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 2.94 μg/m3
PM10: 6.18 μg/m3
Carbon Monoxide: 137.17 μg/m3
Nitrogen Dioxide: 1.64 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 120.08 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:05 PM
Sunset: 7:55 PM
Daylight: 13 hrs 38 mins
Moonrise: 2:08 PM
Moon Transit: 9:04 PM
Moonset: 3:23 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
8:34 PM - 11:04 PM

Minor Periods

1:38 PM - 3:08 PM
2:53 AM - 4:23 AM

Action Rating: 3 out of 5

Sunday, April 26, 2026

Weather Forecast

Moderate rain
47.7°F
30.7°F
38.1°F
77%
0.29 in
87%
13%
10.1 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 8.77 μg/m3
Carbon Monoxide: 134.22 μg/m3
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 112.88 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:05 PM
Sunset: 7:56 PM
Daylight: 13 hrs 41 mins
Moonrise: 3:14 PM
Moon Transit: 9:48 PM
Moonset: 3:49 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
9:18 PM - 11:48 PM

Minor Periods

2:44 PM - 4:14 PM
3:19 AM - 4:49 AM

Action Rating: 3 out of 5

Monday, April 27, 2026

Weather Forecast

Moderate rain
46.1°F
28.1°F
37.1°F
76%
0.26 in
86%
24%
11.2 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 2.07 μg/m3
PM10: 3.67 μg/m3
Carbon Monoxide: 127.79 μg/m3
Nitrogen Dioxide: 1.66 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 106.69 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:05 PM
Sunset: 7:57 PM
Daylight: 13 hrs 43 mins
Moonrise: 4:19 PM
Moon Transit: 10:31 PM
Moonset: 4:12 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

7:21 AM - 9:51 AM
12:00 AM - 12:00 AM

Minor Periods

3:49 PM - 5:19 PM
3:42 AM - 5:12 AM

Action Rating: 2 out of 5

Tuesday, April 28, 2026

Weather Forecast

Patchy rain nearby
43.1°F
19.3°F
32.7°F
79%
0.19 in
88%
35%
8.7 mph
0


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: 6:13 AM
Sun Transit: 1:04 PM
Sunset: 7:58 PM
Daylight: 13 hrs 45 mins
Moonrise: 5:21 PM
Moon Transit: 11:12 PM
Moonset: 4:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
12:00 AM - 12:00 AM

Minor Periods

4:51 PM - 6:21 PM
4:04 AM - 5:34 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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