Water Temperature of the Fox River in McHenry, IL

Current Water Temperature

32.0°F

Measurement Time: Friday, May 29, 2026, 9:36 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

81°F
Sunny
Sunny
79.7°F
86.5°F
41%
NW 2.2 mph
2.3 mph
87.1°F
55.1°F
0 in
0%
9 mi
1016 mbar
7.4

Five Day Weather Forecast

Sunny
Fri
H: 89°F
L: 48°F
Sunny
Sat
H: 64°F
L: 51°F
Sunny
Sun
H: 70°F
L: 47°F
Patchy rain nearby
Mon
H: 79°F
L: 51°F
Sunny
Tue
H: 72°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 9.55 μg/m3
PM10: 10.05 μg/m3
Carbon Monoxide: 181.85 μg/m3
Nitrogen Dioxide: 7.35 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 121 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:50 AM
Sunset: 8:21 PM
Daylight: 15 hrs 1 mins
Moonrise: 7:17 PM
Moon Transit: 11:51 PM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

6:47 PM - 8:17 PM
3:20 AM - 4:50 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued May 29 at 3:16AM CDT until May 31 at 7:00AM CDT by NWS Chicago IL

Effective: Fri May 29, 2026, 3:16 AM
Expires: Fri May 29, 2026, 11:30 AM

* WHAT...High wave action and dangerous currents expected at Illinois Lake Michigan beaches. Waves 3 to 5 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From Saturday morning through Sunday morning. * 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.


Beach Hazards Statement issued May 29 at 10:14AM CDT until May 31 at 7:00AM CDT by NWS Chicago IL

Effective: Fri May 29, 2026, 10:14 AM
Expires: Fri May 29, 2026, 6:15 PM

* WHAT...High waves of 3 to 5 feet and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From Saturday morning through Sunday morning. * 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.


Beach Hazards Statement issued May 29 at 1:01PM CDT until May 30 at 9:00PM CDT by NWS Milwaukee/Sullivan WI

Effective: Fri May 29, 2026, 1:01 PM
Expires: Fri May 29, 2026, 9:15 PM

* WHAT...Life threatening waves of 3 to 5 feet and dangerous currents are expected. * WHERE...Ozaukee, Milwaukee, Racine and Kenosha Counties. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Dangerous swimming conditions are expected due to high waves and onshore winds.

Stay out of the water and away from dangerous areas like piers and breakwalls. Strong structural and longshore currents are expected. Rip currents are possible.
Friday, May 29, 2026

Weather Forecast

Sunny
89.4°F
48.4°F
65.2°F
63%
0 in
0%
0%
5.6 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 7.46 μg/m3
PM10: 7.75 μg/m3
Carbon Monoxide: 153.49 μg/m3
Nitrogen Dioxide: 10.44 μg/m3
Sulphur Dioxide: 2.38 μg/m3
Ozone: 77.36 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:50 AM
Sunset: 8:21 PM
Daylight: 15 hrs 1 mins
Moonrise: 7:17 PM
Moon Transit: 11:51 PM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

11:12 AM - 1:42 PM
12:00 AM - 12:00 AM

Minor Periods

6:47 PM - 8:17 PM
3:20 AM - 4:50 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Sunny
64.1°F
50.9°F
58.4°F
68%
0 in
0%
0%
14.5 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 7.47 μg/m3
PM10: 7.76 μg/m3
Carbon Monoxide: 155.73 μg/m3
Nitrogen Dioxide: 9.34 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 89.76 μg/m3

Astronomical

Sunrise: 5:20 AM
Sun Transit: 12:50 AM
Sunset: 8:22 PM
Daylight: 15 hrs 2 mins
Moonrise: 8:20 PM
Moon Transit: 12:00 AM
Moonset: 4:21 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

7:50 PM - 9:20 PM
3:51 AM - 5:21 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Sunny
69.7°F
47.4°F
58.8°F
63%
0 in
0%
0%
7.6 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 5.05 μg/m3
PM10: 5.23 μg/m3
Carbon Monoxide: 129.85 μg/m3
Nitrogen Dioxide: 8.43 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 79.24 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:50 AM
Sunset: 8:23 PM
Daylight: 15 hrs 4 mins
Moonrise: 9:19 PM
Moon Transit: 12:41 AM
Moonset: 4:59 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:11 AM - 2:41 AM
12:50 AM - 3:20 PM

Minor Periods

8:49 PM - 10:19 PM
4:29 AM - 5:59 AM

Action Rating: 4 out of 5

Monday, June 1, 2026

Weather Forecast

Patchy rain nearby
79.1°F
51.4°F
63.6°F
68%
0.02 in
62%
0%
11 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 5.75 μg/m3
PM10: 6.11 μg/m3
Carbon Monoxide: 153.25 μg/m3
Nitrogen Dioxide: 7.53 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 86.16 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:50 AM
Sunset: 8:24 PM
Daylight: 15 hrs 5 mins
Moonrise: 10:11 PM
Moon Transit: 1:32 AM
Moonset: 5:44 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
1:42 PM - 4:12 PM

Minor Periods

9:41 PM - 11:11 PM
5:14 AM - 6:44 AM

Action Rating: 4 out of 5

Tuesday, June 2, 2026

Weather Forecast

Sunny
72°F
48.5°F
58.9°F
61%
0 in
0%
0%
10.1 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4.07 μg/m3
PM10: 4.39 μg/m3
Carbon Monoxide: 140.73 μg/m3
Nitrogen Dioxide: 6.82 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 68.77 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:51 AM
Sunset: 8:24 PM
Daylight: 15 hrs 6 mins
Moonrise: 10:55 PM
Moon Transit: 2:23 AM
Moonset: 6:38 AM
Moon Phase: Full
Moon Illumination: 91.7%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
2:33 PM - 5:03 PM

Minor Periods

10:25 PM - 11:55 PM
6:08 AM - 7:38 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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