Water Temperature of Lake Monona in Madison, WI
Current Water Temperature
Measurement Time: Tuesday, June 30, 2026, 5:00 AM CDT
Temperature Locations
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Local Points of Interest
Brittingham Park; Brittingham Beach; Menona Bay; GreenbushStation Name: LAKE MONONA AT MADISON, WI
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 840 feet
Nearest Address:
795 W Washington Ave
Madison, WI 53715
Dane County
GPS Coordinates: 43.0633297, -89.3970636
Nearby Water Temperatures
Lake Mendota, Madison, WI (2.5 mi)Swan Creek, Fitchburg, WI (4.8 mi)
Pheasant Branch, Middleton, WI (6.4 mi)
Badger Mill Creek, Verona, WI (9.3 mi)
Yahara River, Windsor, WI (10.3 mi)
Sugar River, Verona, WI (10.8 mi)
Black Earth Creek, Cross Plains, WI (12.7 mi)
Brewery Creek, Cross Plains, WI (12.7 mi)
Black Earth Creek, Cross Plains, WI (13.9 mi)
Black Earth Creek, Black Earth, WI (17.6 mi)
Eagle Spring Lake, Mukwonago, WI (50.7 mi)
Wisconsin River, Muscoda, WI (53.6 mi)
Rock River, Byron, IL (65.4 mi)
Fox River, Berlin, WI (65.4 mi)
Fox River, Burlington, WI (67.1 mi)
Weather for Madison, Wisconsin
Current Weather

Five Day Weather Forecast

Tue
H: 98°F
L: 77°F

Wed
H: 88°F
L: 75°F

Thu
H: 88°F
L: 74°F

Fri
H: 87°F
L: 69°F

Sat
H: 83°F
L: 65°F
Air Quality
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 55 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 8:41 PM
Daylight: 15 hrs 20 mins
Moon Transit: 1:15 AM
Moonset: 5:32 AM
Moon Phase: Full
Moon Illumination: 98.6%
Best Times for Fishing or Hunting
Major Periods
12:45 AM - 3:15 AM1:15 PM - 3:45 PM
Minor Periods
9:10 PM - 10:40 PM5:02 AM - 6:32 AM
Action Rating: 5 out of 5
Heat Advisory issued June 29 at 8:53PM CDT until July 1 at 10:00PM CDT by NWS Chicago IL
Effective: Mon June 29, 2026, 8:53 PM
Expires: Tue June 30, 2026, 7:00 AM
* WHAT...Heat index values around 105 expected each afternoon * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until 10 PM CDT /11 PM EDT/ Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Warning issued June 30 at 1:51AM CDT until July 3 at 12:00AM CDT by NWS Chicago IL
Effective: Tue June 30, 2026, 1:51 AM
Expires: Tue June 30, 2026, 12:00 PM
* WHAT...Dangerously hot conditions with heat index values around 105 expected each afternoon. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...Until midnight CDT /1 AM EDT/ Thursday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Dangerous heat is now expected to persist through Thursday. Thunderstorms may begin to bring some relief from the heat for portions of northern Illinois by Thursday afternoon or evening.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.05 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 69.46 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 8:41 PM
Daylight: 15 hrs 20 mins
Moon Transit: 1:15 AM
Moonset: 5:32 AM
Moon Phase: Full
Moon Illumination: 98.6%
Best Times for Fishing or Hunting
Major Periods
12:45 AM - 3:15 AM1:15 PM - 3:45 PM
Minor Periods
9:10 PM - 10:40 PM5:02 AM - 6:32 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 78.46 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 8:41 PM
Daylight: 15 hrs 19 mins
Moon Transit: 2:05 AM
Moonset: 6:36 AM
Moon Phase: Full
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
1:35 AM - 4:05 AM2:04 PM - 4:34 PM
Minor Periods
9:41 PM - 11:11 PM6:06 AM - 7:36 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 64.67 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 8:41 PM
Daylight: 15 hrs 18 mins
Moon Transit: 2:52 AM
Moonset: 7:41 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
2:22 AM - 4:52 AM2:50 PM - 5:20 PM
Minor Periods
10:07 PM - 11:37 PM7:11 AM - 8:41 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.47 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 60.83 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 8:41 PM
Daylight: 15 hrs 18 mins
Moon Transit: 3:38 AM
Moonset: 8:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%
Best Times for Fishing or Hunting
Major Periods
3:08 AM - 5:38 AM3:35 PM - 6:05 PM
Minor Periods
10:29 PM - 11:59 PM8:18 AM - 9:48 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.1 μg/m3
Sulphur Dioxide: 0.24 μg/m3
Ozone: 30.75 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:40 PM
Daylight: 15 hrs 17 mins
Moon Transit: 4:21 AM
Moonset: 9:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%
Best Times for Fishing or Hunting
Major Periods
3:51 AM - 6:21 AM4:18 PM - 6:48 PM
Minor Periods
12:00 AM - 12:00 AM9:24 AM - 10:54 AM
Action Rating: 2 out of 5
