Water Temperature of Lake Michigan Near Winthrop Harbor, IL

Current Water Temperature

67.1°F

Measurement Time: Tuesday, June 24, 2025, 10:20 PM CDT

Temperature Locations

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Local Points of Interest

Pleasant Prairie, WI

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Lake Michigan

Station Name: Winthrop Harbor Buoy, IL
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 574 feet / 175 meters

Nearest Address:
Offshore
Winthrop Harbor, IL 60096
Lake County

GPS Coordinates: 42.491, -87.779

Nearby Water Temperatures

Lake Michigan, Waukegan, IL (8.5 mi)
Lake Michigan, Racine, WI (16.1 mi)
Fox River, Burlington, WI (24.2 mi)
Lake Michigan, Wilmette, IL (25.4 mi)
Fox River, McHenry, IL (26.8 mi)
Root River, Franklin, WI (27.4 mi)
Lake Michigan, Milwaukee, WI (37.3 mi)
Honey Creek, Wauwatosa, WI (39.9 mi)
Lake Michigan, Lake Michigan, MI (40.3 mi)
Eagle Spring Lake, Mukwonago, WI (41.7 mi)
Lake Michigan, Chicago, IL (42.8 mi)
Chicago River, Chicago, IL (45.4 mi)
Cal-Sag Channel, Blue Island, IL (58.2 mi)
Grand Calumet River, Chicago, IL (59.2 mi)
Indiana Harbor Canal, East Chicago, IN (60.3 mi)

Weather Near Winthrop Harbor, Illinois

Current Weather

66°F
Light rain
Conditions: Light rain
Humidity: 90%
Feels Like: 66°F
Wind: SSE 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 30.17 in
Precipitation: 0.65 in
Cloud Cover: 100%
Visibility: 3 mi
UV Index: 0

Five Day Weather Forecast

Heavy rain
Wed
H: 64°F
L: 62°F
Moderate rain
Thu
H: 92°F
L: 60°F
Heavy rain
Fri
H: 64°F
L: 59°F
Sunny
Sat
H: 75°F
L: 58°F
Patchy rain nearby
Sun
H: 88°F
L: 67°F

Air Quality

PM2.5: 6.11 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 342.25 μg/m3
Nitrogen Dioxide: 8.88 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 12:53 AM
Sunset: 8:33 PM
Daylight: 15 hrs 18 mins
Moonrise: 4:56 AM
Moon Transit: 1:14 PM
Moonset: 9:27 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
12:44 AM - 3:14 PM

Minor Periods

8:57 PM - 10:27 PM
4:26 AM - 5:56 AM

Action Rating: 4 out of 5

Wednesday, June 25, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 62.8°F
Average Humidity: 96%
Chance of Rain: 69%
Wind: 6.7 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 10.8 μg/m3
PM10: 11.51 μg/m3
Carbon Monoxide: 327.89 μg/m3
Nitrogen Dioxide: 14.1 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 86.36 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 12:53 AM
Sunset: 8:33 PM
Daylight: 15 hrs 18 mins
Moonrise: 4:56 AM
Moon Transit: 1:14 PM
Moonset: 9:27 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
12:44 AM - 3:14 PM

Minor Periods

8:57 PM - 10:27 PM
4:26 AM - 5:56 AM

Action Rating: 4 out of 5

Thursday, June 26, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 76.1°F
Average Humidity: 82%
Chance of Rain: 86%
Wind: 8.9 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 18.69 μg/m3
PM10: 19.27 μg/m3
Carbon Monoxide: 329.23 μg/m3
Nitrogen Dioxide: 17.28 μg/m3
Sulphur Dioxide: 4 μg/m3
Ozone: 107.28 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 12:54 AM
Sunset: 8:33 PM
Daylight: 15 hrs 18 mins
Moonrise: 6:08 AM
Moon Transit: 2:15 PM
Moonset: 10:12 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:34 AM - 4:04 AM
1:45 PM - 4:15 PM

Minor Periods

9:42 PM - 11:12 PM
5:38 AM - 7:08 AM

Action Rating: 4 out of 5

Friday, June 27, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 60.3°F
Average Humidity: 92%
Chance of Rain: 87%
Wind: 11.6 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 14.52 μg/m3
PM10: 14.97 μg/m3
Carbon Monoxide: 335.74 μg/m3
Nitrogen Dioxide: 22.83 μg/m3
Sulphur Dioxide: 3.37 μg/m3
Ozone: 88.16 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 12:54 AM
Sunset: 8:33 PM
Daylight: 15 hrs 17 mins
Moonrise: 7:24 AM
Moon Transit: 3:12 PM
Moonset: 10:46 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

2:33 AM - 5:03 AM
2:42 PM - 5:12 PM

Minor Periods

10:16 PM - 11:46 PM
6:54 AM - 8:24 AM

Action Rating: 4 out of 5

Saturday, June 28, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 66.6°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 14.2 μg/m3
PM10: 14.7 μg/m3
Carbon Monoxide: 369.86 μg/m3
Nitrogen Dioxide: 19.15 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 78.23 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 12:54 AM
Sunset: 8:33 PM
Daylight: 15 hrs 17 mins
Moonrise: 8:40 AM
Moon Transit: 4:03 PM
Moonset: 11:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

3:26 AM - 5:56 AM
3:33 PM - 6:03 PM

Minor Periods

12:00 AM - 12:00 AM
8:10 AM - 9:40 AM

Action Rating: 2 out of 5

Sunday, June 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 75.3°F
Average Humidity: 80%
Chance of Rain: 68%
Wind: 9.8 mph
UV Index: 0.1

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: 5:17 AM
Sun Transit: 12:54 AM
Sunset: 8:33 PM
Daylight: 15 hrs 16 mins
Moonrise: 9:50 AM
Moon Transit: 4:49 PM
Moonset: 12:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
4:19 PM - 6:49 PM

Minor Periods

9:20 AM - 10:50 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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