Water Temperature of the Fox River in McHenry, IL

Current Water Temperature

32.0°F

Measurement Time: Tuesday, July 21, 2026, 1:50 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

79°F
Partly cloudy
Partly cloudy
79.4°F
85.3°F
52%
NNW 13.9 mph
17.8 mph
84.7°F
59.9°F
0 in
50%
9 mi
1008 mbar
1

Five Day Weather Forecast

Sunny
Tue
H: 89°F
L: 66°F
Sunny
Wed
H: 71°F
L: 47°F
Sunny
Thu
H: 75°F
L: 53°F
Sunny
Fri
H: 77°F
L: 58°F
Mist
Sat
H: 75°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 2.3 μg/m3
Carbon Monoxide: 130 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 49 mins
Moonrise: 1:54 PM
Moon Transit: 7:00 PM
Moonset: 12:32 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:21 AM - 8:51 AM
6:30 PM - 9:00 PM

Minor Periods

1:24 PM - 2:54 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued July 21 at 9:48AM CDT until July 22 at 10:00PM CDT by NWS Chicago IL

Effective: Tue July 21, 2026, 9:48 AM
Expires: Tue July 21, 2026, 6:00 PM

* WHAT...High wave action and dangerous currents at Lake Michigan beaches expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From this afternoon through Wednesday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
Tuesday, July 21, 2026

Weather Forecast

Sunny
89.2°F
66.4°F
77.6°F
65%
0 in
5%
0%
18.1 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 3.14 μg/m3
PM10: 3.26 μg/m3
Carbon Monoxide: 136 μg/m3
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 78.04 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 49 mins
Moonrise: 1:54 PM
Moon Transit: 7:00 PM
Moonset: 12:32 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

6:21 AM - 8:51 AM
6:30 PM - 9:00 PM

Minor Periods

1:24 PM - 2:54 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Sunny
71.2°F
47.4°F
60.6°F
66%
0 in
6%
0%
10.5 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 3.03 μg/m3
PM10: 3.09 μg/m3
Carbon Monoxide: 122.96 μg/m3
Nitrogen Dioxide: 3.92 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 71.46 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 47 mins
Moonrise: 3:00 PM
Moon Transit: 7:45 PM
Moonset: 12:56 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

7:06 AM - 9:36 AM
7:15 PM - 9:45 PM

Minor Periods

2:30 PM - 4:00 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
74.5°F
53.3°F
64.6°F
64%
0 in
5%
0%
7.2 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 4.61 μg/m3
PM10: 4.78 μg/m3
Carbon Monoxide: 139.08 μg/m3
Nitrogen Dioxide: 12.75 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 64.54 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:00 PM
Sunset: 8:22 PM
Daylight: 14 hrs 45 mins
Moonrise: 4:05 PM
Moon Transit: 8:32 PM
Moonset: 12:24 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

7:53 AM - 10:23 AM
8:02 PM - 10:32 PM

Minor Periods

3:35 PM - 5:05 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
76.9°F
58.2°F
67.4°F
69%
0 in
8%
0%
10.3 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 5.53 μg/m3
PM10: 5.71 μg/m3
Carbon Monoxide: 145.26 μg/m3
Nitrogen Dioxide: 13.08 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 76.54 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:00 PM
Sunset: 8:21 PM
Daylight: 14 hrs 43 mins
Moonrise: 5:06 PM
Moon Transit: 9:22 PM
Moonset: 12:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
8:52 PM - 11:22 PM

Minor Periods

4:36 PM - 6:06 PM
12:27 AM - 1:57 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Mist
74.5°F
58.9°F
66.2°F
90%
0.01 in
38%
0%
11.6 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 7.26 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 220.88 μg/m3
Nitrogen Dioxide: 22.16 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 41.5 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:00 PM
Sunset: 8:20 PM
Daylight: 14 hrs 41 mins
Moonrise: 6:02 PM
Moon Transit: 10:14 PM
Moonset: 1:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

9:32 AM - 12:02 AM
12:00 AM - 12:00 AM

Minor Periods

5:32 PM - 7:02 PM
1:07 AM - 2:37 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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