Water Temperature of the Mississippi River in Dubuque, IA

Current Water Temperature

51.0°F

Measurement Time: Thursday, October 30, 2025, 10:00 AM CDT

Temperature Locations

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Local Points of Interest

Eagle Point Park; Hazel Green, WI; O'Leary Lake

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Mississippi River

Station Name: Dubuque L&D 11
Data Source: USGS

Elevation Above Sea Level: 604 feet / 184 meters

Nearest Address:
3094 Volunteer Dr
Dubuque, IA 52001
Dubuque County

GPS Coordinates: 42.54, -90.6461

Nearby Water Temperatures

Mississippi River, Bellevue, IA (22.4 mi)
North Fork Maquoketa River, Maquoketa, IA (26.3 mi)
Mississippi River, Guttenberg, IA (28.5 mi)
Turkey River, Garber, IA (34.2 mi)
Mississippi River, Clayton, IA (35.7 mi)
Wisconsin River, Muscoda, WI (46.6 mi)
Mississippi River, Fulton, IL (51.0 mi)
Mississippi River, Fulton, IL (51.1 mi)
Mississippi River, Lynxville, WI (51.8 mi)
Beaver Slough, Clinton, IA (54.5 mi)
Mississippi River, Camanche, IA (56.2 mi)
Black Earth Creek, Black Earth, WI (61.9 mi)
Sugar River, Verona, WI (62.7 mi)
Kickapoo River, Readstown, WI (63.1 mi)
Black Earth Creek, Cross Plains, WI (63.7 mi)

Weather for Dubuque, Iowa

Current Weather

46°F
Overcast
Conditions: Overcast
Humidity: 68%
Feels Like: 42.5°F
Wind: W 6.7 mph
Wind Gusts: 14.1 mph
Pressure: 29.89 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Thu
H: 47°F
L: 40°F
Cloudy
Fri
H: 48°F
L: 31°F
Patchy rain nearby
Sat
H: 47°F
L: 37°F
Sunny
Sun
H: 52°F
L: 32°F
Sunny
Mon
H: 58°F
L: 35°F

Air Quality

PM2.5: 13.25 μg/m3
PM10: 13.35 μg/m3
Carbon Monoxide: 174.85 μg/m3
Nitrogen Dioxide: 12.65 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 40 μg/m3

Astronomical

Sunrise: 7:34 AM
Sun Transit: 12:46 AM
Sunset: 5:58 PM
Daylight: 10 hrs 24 mins
Moonrise: 3:07 PM
Moon Transit: 8:12 PM
Moonset: 12:17 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
7:42 PM - 10:12 PM

Minor Periods

2:37 PM - 4:07 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, October 30, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 43.6°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 6.86 μg/m3
PM10: 6.92 μg/m3
Carbon Monoxide: 173.17 μg/m3
Nitrogen Dioxide: 7.02 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 53.16 μg/m3

Astronomical

Sunrise: 7:34 AM
Sun Transit: 12:46 AM
Sunset: 5:58 PM
Daylight: 10 hrs 24 mins
Moonrise: 3:07 PM
Moon Transit: 8:12 PM
Moonset: 12:17 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
7:42 PM - 10:12 PM

Minor Periods

2:37 PM - 4:07 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, October 31, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 41.4°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 12.52 μg/m3
PM10: 12.61 μg/m3
Carbon Monoxide: 165.73 μg/m3
Nitrogen Dioxide: 10.34 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 45.48 μg/m3

Astronomical

Sunrise: 7:35 AM
Sun Transit: 12:46 AM
Sunset: 5:56 PM
Daylight: 10 hrs 21 mins
Moonrise: 3:30 PM
Moon Transit: 9:00 PM
Moonset: 1:28 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

8:01 AM - 10:31 AM
8:30 PM - 11:00 PM

Minor Periods

3:00 PM - 4:30 PM
12:58 AM - 2:28 AM

Action Rating: 3 out of 5

Saturday, November 1, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 42.2°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 8.08 μg/m3
PM10: 8.15 μg/m3
Carbon Monoxide: 151.25 μg/m3
Nitrogen Dioxide: 6.89 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 43.08 μg/m3

Astronomical

Sunrise: 7:37 AM
Sun Transit: 12:46 AM
Sunset: 5:55 PM
Daylight: 10 hrs 19 mins
Moonrise: 3:52 PM
Moon Transit: 9:47 PM
Moonset: 2:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

8:48 AM - 11:18 AM
9:17 PM - 11:47 PM

Minor Periods

3:22 PM - 4:52 PM
2:11 AM - 3:41 AM

Action Rating: 2 out of 5

Sunday, November 2, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 39.3°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.59 μg/m3
PM10: 5.59 μg/m3
Carbon Monoxide: 169.39 μg/m3
Nitrogen Dioxide: 6.04 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 45.31 μg/m3

Astronomical

Sunrise: 7:38 AM
Sun Transit: 12:46 AM
Sunset: 5:54 PM
Daylight: 10 hrs 16 mins
Moonrise: 4:14 PM
Moon Transit: 11:31 AM
Moonset: 3:55 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

11:01 AM - 1:31 PM
11:01 AM - 1:31 PM

Minor Periods

3:44 PM - 5:14 PM
3:25 AM - 4:55 AM

Action Rating: 2 out of 5

Monday, November 3, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 46.4°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 19.7 mph
UV Index: 3

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: 7:39 AM
Sun Transit: 12:46 AM
Sunset: 5:52 PM
Daylight: 10 hrs 13 mins
Moonrise: 4:38 PM
Moon Transit: 11:26 PM
Moonset: 5:12 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:08 PM - 5:38 PM
4:42 AM - 6:12 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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