Water Temperature of Lake Monona in Madison, WI

Current Water Temperature

57.2°F

Measurement Time: Wednesday, May 6, 2026, 6:00 PM CDT

Temperature Locations

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Local Points of Interest

Brittingham Park; Brittingham Beach; Menona Bay; Greenbush

Lake Monona

Station 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

41.5°F
Partly cloudy
Partly cloudy
37.3°F
41.5°F
48%
WNW 6.5 mph
13.6 mph
35.5°F
27.4°F
0 in
50%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 53°F
L: 38°F
Patchy rain nearby
Thu
H: 54°F
L: 37°F
Patchy rain nearby
Fri
H: 62°F
L: 39°F
Patchy rain nearby
Sat
H: 67°F
L: 41°F
Sunny
Sun
H: 55°F
L: 36°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 5.55 μg/m3
Carbon Monoxide: 159.85 μg/m3
Nitrogen Dioxide: 12.45 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:54 AM
Sunset: 8:05 PM
Daylight: 14 hrs 20 mins
Moonrise: 12:23 AM
Moon Transit: 4:32 AM
Moonset: 8:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:02 AM - 6:32 AM
4:33 PM - 7:03 PM

Minor Periods

8:15 AM - 9:45 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Frost Advisory issued May 6 at 1:20PM CDT until May 7 at 8:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed May 6, 2026, 1:20 PM
Expires: Wed May 6, 2026, 9:30 PM

* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From 1 AM to 8 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Frost Advisory issued May 6 at 6:51PM CDT until May 7 at 8:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed May 6, 2026, 6:51 PM
Expires: Thu May 7, 2026, 3:00 AM

* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From 1 AM to 8 AM CDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Flood Warning issued May 6 at 10:19AM CDT until May 7 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed May 6, 2026, 10:19 AM
Expires: Wed May 6, 2026, 10:30 PM

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Afton affecting Winnebago and Rock Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until tomorrow morning. * IMPACTS...At 9.0 feet, Floodwaters affect property of a home on South Christian Road on the east side of the river in the Afton area. There is minor erosional flood damage to lowland and agricultural land in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 10:00 AM CDT Wednesday the stage was 9.2 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Wednesday was 9.3 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 7.8 feet Wednesday, May 13. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.2 feet on 05/04/1951. - http://www.weather.gov/safety/flood

Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued this evening at 1030 PM CDT.


Flood Warning issued May 6 at 4:03PM CDT until May 7 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Wed May 6, 2026, 4:03 PM
Expires: Thu May 7, 2026, 4:15 AM

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Afton affecting Winnebago and Rock Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River at Afton. * WHEN...Until tomorrow morning. * IMPACTS...At 9.0 feet, Floodwaters affect property of a home on South Christian Road on the east side of the river in the Afton area. There is minor erosional flood damage to lowland and agricultural land in the Afton and Janesville areas. * ADDITIONAL DETAILS... - At 3:00 PM CDT Wednesday the stage was 9.2 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 3:00 PM CDT Wednesday was 9.3 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 7.8 feet Wednesday, May 13. - Flood stage is 9.0 feet. - Flood History...This crest compares to a previous crest of 9.2 feet on 05/04/1951. - http://www.weather.gov/safety/flood

Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued late tonight at 415 AM CDT.
Wednesday, May 6, 2026

Weather Forecast

Sunny
52.7°F
37.8°F
46.2°F
49%
0 in
0%
0%
14.5 mph
5.5


Air Quality

AQI: 1 - Good
PM2.5: 5.56 μg/m3
PM10: 5.9 μg/m3
Carbon Monoxide: 157.97 μg/m3
Nitrogen Dioxide: 5.69 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 64.4 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:54 AM
Sunset: 8:05 PM
Daylight: 14 hrs 20 mins
Moonrise: 12:23 AM
Moon Transit: 4:32 AM
Moonset: 8:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%

Best Times for Fishing or Hunting

Major Periods

4:02 AM - 6:32 AM
4:33 PM - 7:03 PM

Minor Periods

8:15 AM - 9:45 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 7, 2026

Weather Forecast

Patchy rain nearby
54.4°F
36.9°F
45.2°F
63%
0.05 in
91%
0%
13 mph
5.6


Air Quality

AQI: 1 - Good
PM2.5: 4.86 μg/m3
PM10: 5.03 μg/m3
Carbon Monoxide: 153.21 μg/m3
Nitrogen Dioxide: 6.08 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 60.6 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 12:54 AM
Sunset: 8:06 PM
Daylight: 14 hrs 23 mins
Moonrise: 1:04 AM
Moon Transit: 5:23 AM
Moonset: 9:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%

Best Times for Fishing or Hunting

Major Periods

4:53 AM - 7:23 AM
5:22 PM - 7:52 PM

Minor Periods

9:17 AM - 10:47 AM
12:34 AM - 2:04 AM

Action Rating: 3 out of 5

Friday, May 8, 2026

Weather Forecast

Patchy rain nearby
62°F
39.3°F
50.7°F
75%
0.04 in
89%
0%
11.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.76 μg/m3
PM10: 9.21 μg/m3
Carbon Monoxide: 176.49 μg/m3
Nitrogen Dioxide: 6.26 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 71.88 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 12:54 AM
Sunset: 8:07 PM
Daylight: 14 hrs 25 mins
Moonrise: 1:38 AM
Moon Transit: 6:11 AM
Moonset: 10:52 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%

Best Times for Fishing or Hunting

Major Periods

5:41 AM - 8:11 AM
6:10 PM - 8:40 PM

Minor Periods

10:22 AM - 11:52 AM
1:08 AM - 2:38 AM

Action Rating: 3 out of 5

Saturday, May 9, 2026

Weather Forecast

Patchy rain nearby
66.6°F
40.9°F
52.3°F
77%
0.04 in
87%
0%
20.6 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 6.3 μg/m3
PM10: 6.68 μg/m3
Carbon Monoxide: 162.88 μg/m3
Nitrogen Dioxide: 7.25 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 72.04 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:54 AM
Sunset: 8:08 PM
Daylight: 14 hrs 27 mins
Moonrise: 2:06 AM
Moon Transit: 6:58 AM
Moonset: 11:59 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
6:56 PM - 9:26 PM

Minor Periods

11:29 AM - 12:59 AM
1:36 AM - 3:06 AM

Action Rating: 2 out of 5

Sunday, May 10, 2026

Weather Forecast

Sunny
54.6°F
36°F
45.6°F
66%
0 in
0%
0%
14.8 mph
3


Air Quality

AQI: 1 - Good
PM2.5: 9.23 μg/m3
PM10: 9.7 μg/m3
Carbon Monoxide: 171.03 μg/m3
Nitrogen Dioxide: 7.52 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 55.08 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 12:54 AM
Sunset: 8:09 PM
Daylight: 14 hrs 30 mins
Moonrise: 2:30 AM
Moon Transit: 7:43 AM
Moonset: 1:07 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
7:40 PM - 10:10 PM

Minor Periods

12:37 AM - 2:07 PM
2:00 AM - 3:30 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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