Water Temperature of the Rock River in Byron, IL
Current Water Temperature
Measurement Time: Friday, September 11, 2026, 4:15 AM CDT
Temperature Locations
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Local Points of Interest
River Park East; Hamas Park; Sunshine Park; Byron Forest Preserve DistrictStation Name: ROCK RIVER AT BYRON, IL
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 679 feet
Nearest Address:
State Rte 72
Byron, IL 61010
Ogle County
GPS Coordinates: 42.12218889, -89.2553639
Nearby Water Temperatures
Mississippi River, Fulton, IL (48.7 mi)Mississippi River, Fulton, IL (48.9 mi)
Beaver Slough, Clinton, IA (52.2 mi)
Fox River, McHenry, IL (53.2 mi)
Mississippi River, Camanche, IA (56.4 mi)
Illinois River, Utica, IL (56.9 mi)
Sugar River, Verona, WI (59 mi)
Mississippi River, Bellevue, IA (60.5 mi)
Badger Mill Creek, Verona, WI (60.8 mi)
Swan Creek, Fitchburg, WI (60.9 mi)
Illinois River, Marseilles, IL (61.7 mi)
Fox River, Burlington, WI (62.5 mi)
Lake Monona, Madison, WI (65.4 mi)
Eagle Spring Lake, Mukwonago, WI (65.6 mi)
Illinois River, Seneca, IL (65.7 mi)
Weather for Byron, Illinois
Current Weather
Weather Forecast
Today
81°F - Sunny
Tonight
60°F - Partly Cloudy
Saturday
84°F - Mostly Sunny
Saturday Night
54°F - Partly Cloudy
Sunday
77°F - Mostly Sunny then Slight Chance Rain Showers
Sunday Night
54°F - Chance Rain Showers
Monday
80°F - Chance Showers And Thunderstorms
Monday Night
64°F - Showers And Thunderstorms Likely
Tuesday
79°F - Showers And Thunderstorms Likely
Tuesday Night
54°F - Showers And Thunderstorms Likely
Wednesday
76°F - Showers And Thunderstorms Likely
Wednesday Night
57°F - Showers And Thunderstorms Likely
Thursday
79°F - Showers And Thunderstorms Likely
Thursday Night
54°F - Slight Chance Rain Showers
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:13 PM
Daylight: 12 hrs 40 mins
Moon Transit: 1:18 PM
Moonset: 7:19 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
12:31 AM - 3:01 AM12:48 AM - 3:18 PM
Minor Periods
6:49 PM - 8:19 PM6:35 AM - 8:05 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:13 PM
Daylight: 12 hrs 40 mins
Moon Transit: 1:18 PM
Moonset: 7:19 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
12:31 AM - 3:01 AM12:48 AM - 3:18 PM
Minor Periods
6:49 PM - 8:19 PM6:35 AM - 8:05 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:13 PM
Daylight: 12 hrs 40 mins
Moon Transit: 1:18 PM
Moonset: 7:19 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
12:31 AM - 3:01 AM12:48 AM - 3:18 PM
Minor Periods
6:49 PM - 8:19 PM6:35 AM - 8:05 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:11 PM
Daylight: 12 hrs 37 mins
Moon Transit: 2:03 PM
Moonset: 7:41 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
1:17 AM - 3:47 AM1:33 PM - 4:03 PM
Minor Periods
7:11 PM - 8:41 PM7:46 AM - 9:16 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 7:11 PM
Daylight: 12 hrs 37 mins
Moon Transit: 2:03 PM
Moonset: 7:41 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
1:17 AM - 3:47 AM1:33 PM - 4:03 PM
Minor Periods
7:11 PM - 8:41 PM7:46 AM - 9:16 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:10 PM
Daylight: 12 hrs 34 mins
Moon Transit: 2:48 PM
Moonset: 8:04 PM
Moon Phase: New
Moon Illumination: 2.2%
Best Times for Fishing or Hunting
Major Periods
2:02 AM - 4:32 AM2:18 PM - 4:48 PM
Minor Periods
7:34 PM - 9:04 PM8:54 AM - 10:24 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:10 PM
Daylight: 12 hrs 34 mins
Moon Transit: 2:48 PM
Moonset: 8:04 PM
Moon Phase: New
Moon Illumination: 2.2%
Best Times for Fishing or Hunting
Major Periods
2:02 AM - 4:32 AM2:18 PM - 4:48 PM
Minor Periods
7:34 PM - 9:04 PM8:54 AM - 10:24 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:08 PM
Daylight: 12 hrs 32 mins
Moon Transit: 3:34 PM
Moonset: 8:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%
Best Times for Fishing or Hunting
Major Periods
2:47 AM - 5:17 AM3:04 PM - 5:34 PM
Minor Periods
7:59 PM - 9:29 PM10:03 AM - 11:33 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:08 PM
Daylight: 12 hrs 32 mins
Moon Transit: 3:34 PM
Moonset: 8:29 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%
Best Times for Fishing or Hunting
Major Periods
2:47 AM - 5:17 AM3:04 PM - 5:34 PM
Minor Periods
7:59 PM - 9:29 PM10:03 AM - 11:33 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:06 PM
Daylight: 12 hrs 29 mins
Moon Transit: 4:22 PM
Moonset: 8:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%
Best Times for Fishing or Hunting
Major Periods
3:34 AM - 6:04 AM3:52 PM - 6:22 PM
Minor Periods
8:28 PM - 9:58 PM11:10 AM - 12:40 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:52 AM
Sunset: 7:06 PM
Daylight: 12 hrs 29 mins
Moon Transit: 4:22 PM
Moonset: 8:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%
Best Times for Fishing or Hunting
Major Periods
3:34 AM - 6:04 AM3:52 PM - 6:22 PM
Minor Periods
8:28 PM - 9:58 PM11:10 AM - 12:40 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 7:05 PM
Daylight: 12 hrs 26 mins
Moon Transit: 5:11 PM
Moonset: 9:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%
Best Times for Fishing or Hunting
Major Periods
4:23 AM - 6:53 AM4:41 PM - 7:11 PM
Minor Periods
9:04 PM - 10:34 PM12:15 AM - 1:45 PM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 7:05 PM
Daylight: 12 hrs 26 mins
Moon Transit: 5:11 PM
Moonset: 9:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%
Best Times for Fishing or Hunting
Major Periods
4:23 AM - 6:53 AM4:41 PM - 7:11 PM
Minor Periods
9:04 PM - 10:34 PM12:15 AM - 1:45 PM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 7:03 PM
Daylight: 12 hrs 23 mins
Moon Transit: 6:02 PM
Moonset: 10:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%
Best Times for Fishing or Hunting
Major Periods
5:13 AM - 7:43 AM5:32 PM - 8:02 PM
Minor Periods
9:47 PM - 11:17 PM1:16 PM - 2:46 PM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 7:03 PM
Daylight: 12 hrs 23 mins
Moon Transit: 6:02 PM
Moonset: 10:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%
Best Times for Fishing or Hunting
Major Periods
5:13 AM - 7:43 AM5:32 PM - 8:02 PM
Minor Periods
9:47 PM - 11:17 PM1:16 PM - 2:46 PM
Action Rating: 2 out of 5
