Water Temperature of the Fox River in McHenry, IL

Current Water Temperature

32.0°F

Measurement Time: Sunday, July 19, 2026, 8:12 AM 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

77.5°F
Partly cloudy
Partly cloudy
78.8°F
84°F
55%
ENE 8.1 mph
9.3 mph
82.8°F
61.6°F
0 in
50%
9 mi
1018 mbar
6.8

Five Day Weather Forecast

Sunny
Sun
H: 87°F
L: 62°F
Sunny
Mon
H: 81°F
L: 60°F
Sunny
Tue
H: 81°F
L: 61°F
Sunny
Wed
H: 72°F
L: 49°F
Sunny
Thu
H: 78°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 23.8 μg/m3
PM10: 24.4 μg/m3
Carbon Monoxide: 195 μg/m3
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 101 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 52 mins
Moonrise: 11:42 AM
Moon Transit: 5:31 PM
Moonset: 11:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
5:01 PM - 7:31 PM

Minor Periods

12:00 AM - 12:00 AM
11:12 AM - 12:42 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued July 19 at 4:17AM CDT until July 19 at 1:00PM CDT by NWS Chicago IL

Effective: Sun July 19, 2026, 4:17 AM
Expires: Sun July 19, 2026, 12:30 PM

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 5 ft expected. * WHERE...In Illinois, Lake, Northern Cook and Central Cook Counties. In Indiana, Lake and Porter Counties. * WHEN...Until 1 PM CDT this afternoon. * 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.
Sunday, July 19, 2026

Weather Forecast

Sunny
87.1°F
62.2°F
73.9°F
64%
0 in
4%
0%
8.1 mph
7


Air Quality

AQI: 2 - Moderate
PM2.5: 26.71 μg/m3
PM10: 27.2 μg/m3
Carbon Monoxide: 216.79 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 93.67 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 52 mins
Moonrise: 11:42 AM
Moon Transit: 5:31 PM
Moonset: 11:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
5:01 PM - 7:31 PM

Minor Periods

12:00 AM - 12:00 AM
11:12 AM - 12:42 AM

Action Rating: 2 out of 5

Monday, July 20, 2026

Weather Forecast

Sunny
81°F
60.2°F
71.3°F
75%
0.14 in
63%
0%
17 mph
6.8


Air Quality

AQI: 2 - Moderate
PM2.5: 16.83 μg/m3
PM10: 17.02 μg/m3
Carbon Monoxide: 223.71 μg/m3
Nitrogen Dioxide: 10.5 μg/m3
Sulphur Dioxide: 2.47 μg/m3
Ozone: 91.08 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 51 mins
Moonrise: 12:49 AM
Moon Transit: 6:15 PM
Moonset: 12:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
5:45 PM - 8:15 PM

Minor Periods

12:19 AM - 1:49 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, July 21, 2026

Weather Forecast

Sunny
81.1°F
61.4°F
73°F
78%
0.05 in
57%
0%
15 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 3.74 μg/m3
PM10: 3.79 μg/m3
Carbon Monoxide: 185.08 μg/m3
Nitrogen Dioxide: 3.58 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 95.21 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
72.3°F
48.7°F
61.5°F
72%
0 in
8%
0%
11.2 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 4.33 μg/m3
Carbon Monoxide: 201.14 μg/m3
Nitrogen Dioxide: 3.02 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 76.25 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
77.6°F
52.8°F
65.4°F
70%
0 in
6%
0%
7.4 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 4.68 μg/m3
PM10: 4.84 μg/m3
Carbon Monoxide: 160 μg/m3
Nitrogen Dioxide: 12.89 μg/m3
Sulphur Dioxide: 0.66 μg/m3
Ozone: 44.75 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

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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