Water Temperature of the Fox River in McHenry, IL

Current Water Temperature

32.2°F

Measurement Time: Wednesday, December 31, 2025, 9:00 PM CST

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

10.9°F
Clear
Clear
-2.1°F
13.9°F
64%
NNW 9.6 mph
13.1 mph
2.7°F
6.9°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 19°F
L: 12°F
Partly Cloudy
Fri
H: 29°F
L: 19°F
Cloudy
Sat
H: 30°F
L: 20°F
Light freezing rain
Sun
H: 24°F
L: 16°F
Moderate snow
Mon
H: 32°F
L: 21°F

Air Quality

AQI: 1 - Good
PM2.5: 4.05 μg/m3
PM10: 4.25 μg/m3
Carbon Monoxide: 166.85 μg/m3
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 11:56 AM
Sunset: 4:32 PM
Daylight: 9 hrs 10 mins
Moonrise: 2:25 PM
Moon Transit: 10:41 PM
Moonset: 5:49 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

9:52 AM - 12:22 AM
12:00 AM - 12:00 AM

Minor Periods

1:55 PM - 3:25 PM
5:19 AM - 6:49 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Sunny
19°F
12°F
15.6°F
72%
0 in
0%
0%
11 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.46 μg/m3
PM10: 3.63 μg/m3
Carbon Monoxide: 165.57 μg/m3
Nitrogen Dioxide: 6.17 μg/m3
Sulphur Dioxide: 2.09 μg/m3
Ozone: 68.36 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 11:56 AM
Sunset: 4:32 PM
Daylight: 9 hrs 10 mins
Moonrise: 2:25 PM
Moon Transit: 10:41 PM
Moonset: 5:49 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

9:52 AM - 12:22 AM
12:00 AM - 12:00 AM

Minor Periods

1:55 PM - 3:25 PM
5:19 AM - 6:49 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Partly Cloudy
29.1°F
19.4°F
23.3°F
75%
0 in
0%
0%
7.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 7.43 μg/m3
Carbon Monoxide: 197.33 μg/m3
Nitrogen Dioxide: 9.61 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 62.44 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 11:57 AM
Sunset: 4:33 PM
Daylight: 9 hrs 11 mins
Moonrise: 3:32 PM
Moon Transit: 11:48 PM
Moonset: 7:00 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

10:59 AM - 1:29 PM
12:00 AM - 12:00 AM

Minor Periods

3:02 PM - 4:32 PM
6:30 AM - 8:00 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Cloudy
30.4°F
20°F
24.2°F
81%
0 in
0%
0%
5.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 9.95 μg/m3
PM10: 10.29 μg/m3
Carbon Monoxide: 227.93 μg/m3
Nitrogen Dioxide: 13.11 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 58.52 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 11:57 AM
Sunset: 4:33 PM
Daylight: 9 hrs 11 mins
Moonrise: 4:49 PM
Moon Transit: 12:00 AM
Moonset: 7:57 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:05 AM - 2:35 PM

Minor Periods

4:19 PM - 5:49 PM
7:27 AM - 8:57 AM

Action Rating: 5 out of 5

Sunday, January 4, 2026

Weather Forecast

Light freezing rain
24.2°F
16°F
20°F
82%
0.02 in
86%
6%
7.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 13.55 μg/m3
PM10: 13.94 μg/m3
Carbon Monoxide: 232.46 μg/m3
Nitrogen Dioxide: 15.87 μg/m3
Sulphur Dioxide: 3.17 μg/m3
Ozone: 59.52 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 11:58 AM
Sunset: 4:34 PM
Daylight: 9 hrs 12 mins
Moonrise: 6:09 PM
Moon Transit: 12:51 AM
Moonset: 8:42 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:21 AM - 2:51 AM
1:05 PM - 3:35 PM

Minor Periods

5:39 PM - 7:09 PM
8:12 AM - 9:42 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Moderate snow
32.4°F
20.8°F
25.5°F
92%
0.05 in
82%
15%
6.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 11.87 μg/m3
PM10: 12.28 μg/m3
Carbon Monoxide: 237.19 μg/m3
Nitrogen Dioxide: 18.09 μg/m3
Sulphur Dioxide: 4.32 μg/m3
Ozone: 46.46 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 11:58 AM
Sunset: 4:35 PM
Daylight: 9 hrs 13 mins
Moonrise: 7:26 PM
Moon Transit: 1:49 AM
Moonset: 9:15 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:19 AM - 3:49 AM
2:00 PM - 4:30 PM

Minor Periods

6:56 PM - 8:26 PM
8:45 AM - 10:15 AM

Action Rating: 4 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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