Water Temperature of the Fox River in McHenry, IL

Current Water Temperature

32.0°F

Measurement Time: Wednesday, May 13, 2026, 9:27 PM CDT

Temperature Locations

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Fox River

Station Name: FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 728 feet

Nearest Address:
Charles J Miller Rd
McHenry, IL 60051
McHenry County

GPS Coordinates: 42.3233333, -88.2516667

Nearby Water Temperatures

Fox River, Burlington, WI (19.9 mi)
Lake Michigan, Waukegan, IL (23.5 mi)
Lake Michigan, Winthrop Harbor, IL (26.8 mi)
Lake Michigan, Wilmette, IL (33.2 mi)
Eagle Spring Lake, Mukwonago, WI (37.8 mi)
Root River, Franklin, WI (39.1 mi)
Lake Michigan, Racine, WI (40.4 mi)
Chicago River, Chicago, IL (44.4 mi)
Lake Michigan, Chicago, IL (46.2 mi)
Chicago Sanitary and Ship Canal, Romeoville, IL (48.2 mi)
Honey Creek, Wauwatosa, WI (51.3 mi)
Lake Michigan, Milwaukee, WI (51.7 mi)
Des Plaines River, Lockport, IL (52.8 mi)
Rock River, Byron, IL (53.2 mi)
Des Plaines River, Joliet, IL (55.1 mi)

Weather for McHenry, Illinois

Current Weather

37°F
Clear
Clear
33°F
41.3°F
96%
NW 4.9 mph
10.3 mph
40.7°F
36°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 73°F
L: 39°F
Patchy rain nearby
Fri
H: 70°F
L: 48°F
Patchy rain nearby
Sat
H: 84°F
L: 60°F
Patchy rain nearby
Sun
H: 77°F
L: 54°F
Patchy rain nearby
Mon
H: 84°F
L: 65°F

Air Quality

AQI: 1 - Good
PM2.5: 6.35 μg/m3
PM10: 6.75 μg/m3
Carbon Monoxide: 249.85 μg/m3
Nitrogen Dioxide: 14.25 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 36 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:49 AM
Sunset: 8:07 PM
Daylight: 14 hrs 35 mins
Moonrise: 3:51 AM
Moon Transit: 10:44 AM
Moonset: 5:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:14 AM - 12:44 AM

Minor Periods

5:23 PM - 6:53 PM
3:21 AM - 4:51 AM

Action Rating: 2 out of 5

Thursday, May 14, 2026

Weather Forecast

Sunny
72.5°F
39°F
53.5°F
60%
0 in
0%
0%
9.4 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 7.59 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 191.17 μg/m3
Nitrogen Dioxide: 11.18 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 68.08 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:49 AM
Sunset: 8:07 PM
Daylight: 14 hrs 35 mins
Moonrise: 3:51 AM
Moon Transit: 10:44 AM
Moonset: 5:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:14 AM - 12:44 AM

Minor Periods

5:23 PM - 6:53 PM
3:21 AM - 4:51 AM

Action Rating: 2 out of 5

Friday, May 15, 2026

Weather Forecast

Patchy rain nearby
69.6°F
47.7°F
57.2°F
85%
0.17 in
87%
0%
16.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 11.03 μg/m3
PM10: 11.97 μg/m3
Carbon Monoxide: 165.21 μg/m3
Nitrogen Dioxide: 11.25 μg/m3
Sulphur Dioxide: 3.01 μg/m3
Ozone: 79.8 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:49 AM
Sunset: 8:08 PM
Daylight: 14 hrs 37 mins
Moonrise: 4:19 AM
Moon Transit: 11:38 AM
Moonset: 7:14 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:08 AM - 1:38 PM

Minor Periods

6:44 PM - 8:14 PM
3:49 AM - 5:19 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Patchy rain nearby
83.7°F
59.6°F
69.1°F
79%
0.15 in
87%
0%
10.1 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 7.08 μg/m3
PM10: 7.51 μg/m3
Carbon Monoxide: 164.63 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 90.92 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:49 AM
Sunset: 8:09 PM
Daylight: 14 hrs 39 mins
Moonrise: 4:53 AM
Moon Transit: 12:38 AM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:08 AM - 2:38 PM

Minor Periods

8:08 PM - 9:38 PM
4:23 AM - 5:53 AM

Action Rating: 5 out of 5

Sunday, May 17, 2026

Weather Forecast

Patchy rain nearby
76.6°F
53.6°F
64.9°F
88%
0.07 in
87%
0%
12.5 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 8.2 μg/m3
PM10: 8.77 μg/m3
Carbon Monoxide: 207.25 μg/m3
Nitrogen Dioxide: 15.29 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 65.28 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:49 AM
Sunset: 8:10 PM
Daylight: 14 hrs 41 mins
Moonrise: 5:36 AM
Moon Transit: 1:42 PM
Moonset: 9:57 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:54 AM - 3:24 AM
1:12 PM - 3:42 PM

Minor Periods

9:27 PM - 10:57 PM
5:06 AM - 6:36 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Patchy rain nearby
83.6°F
65°F
72.3°F
81%
0.13 in
79%
0%
23.5 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 8.58 μg/m3
PM10: 9.37 μg/m3
Carbon Monoxide: 203.16 μg/m3
Nitrogen Dioxide: 11.91 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 82.31 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 12:49 AM
Sunset: 8:11 PM
Daylight: 14 hrs 43 mins
Moonrise: 6:33 AM
Moon Transit: 2:49 PM
Moonset: 11:06 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

2:00 AM - 4:30 AM
2:19 PM - 4:49 PM

Minor Periods

12:00 AM - 12:00 AM
6:03 AM - 7:33 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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