Water Temperature of Lake Monona in Madison, WI

Current Water Temperature

80.8°F

Measurement Time: Monday, July 13, 2026, 11:00 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

73.9°F
Clear
Clear
77.8°F
77.2°F
85%
W 6.7 mph
14.1 mph
73.2°F
69.1°F
0 in
0%
9 mi
1022 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 98°F
L: 73°F
Sunny
Wed
H: 89°F
L: 70°F
Sunny
Thu
H: 86°F
L: 71°F
Patchy rain nearby
Fri
H: 88°F
L: 63°F
Sunny
Sat
H: 83°F
L: 62°F

Air Quality

AQI: 1 - Good
PM2.5: 4 μg/m3
PM10: 4.1 μg/m3
Carbon Monoxide: 145 μg/m3
Nitrogen Dioxide: 9.3 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 1:03 PM
Sunset: 8:36 PM
Daylight: 15 hrs 5 mins
Moonrise: 5:26 AM
Moon Transit: 1:27 PM
Moonset: 9:14 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
12:57 AM - 3:27 PM

Minor Periods

8:44 PM - 10:14 PM
4:56 AM - 6:26 AM

Action Rating: 4 out of 5

Heat Advisory issued July 13 at 6:50PM CDT until July 15 at 8:00PM CDT by NWS Milwaukee/Sullivan WI

Effective: Mon July 13, 2026, 6:50 PM
Expires: Tue July 14, 2026, 3:00 AM

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From noon Tuesday to 8 PM CDT 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued July 13 at 11:44PM CDT until July 15 at 8:00PM CDT by NWS Milwaukee/Sullivan WI

Effective: Mon July 13, 2026, 11:44 PM
Expires: Tue July 14, 2026, 7:45 AM

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From noon Tuesday to 8 PM CDT 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Tuesday, July 14, 2026

Weather Forecast

Sunny
98.1°F
72.5°F
82.1°F
71%
0 in
5%
0%
8.3 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 5.74 μg/m3
PM10: 6.27 μg/m3
Carbon Monoxide: 144.46 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 80.25 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 1:03 PM
Sunset: 8:36 PM
Daylight: 15 hrs 5 mins
Moonrise: 5:26 AM
Moon Transit: 1:27 PM
Moonset: 9:14 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
12:57 AM - 3:27 PM

Minor Periods

8:44 PM - 10:14 PM
4:56 AM - 6:26 AM

Action Rating: 4 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
88.6°F
69.7°F
78.9°F
81%
0 in
11%
0%
7.8 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 5.93 μg/m3
PM10: 6.5 μg/m3
Carbon Monoxide: 149.08 μg/m3
Nitrogen Dioxide: 5.86 μg/m3
Sulphur Dioxide: 0.63 μg/m3
Ozone: 88.67 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:03 PM
Sunset: 8:35 PM
Daylight: 15 hrs 3 mins
Moonrise: 6:49 AM
Moon Transit: 2:25 PM
Moonset: 9:47 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:32 AM - 4:02 AM
1:55 PM - 4:25 PM

Minor Periods

9:17 PM - 10:47 PM
6:19 AM - 7:49 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
85.8°F
70.6°F
78.3°F
78%
0.03 in
44%
0%
6.9 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 6.98 μg/m3
PM10: 7.68 μg/m3
Carbon Monoxide: 143.71 μg/m3
Nitrogen Dioxide: 10 μg/m3
Sulphur Dioxide: 0.79 μg/m3
Ozone: 81.5 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs 2 mins
Moonrise: 8:10 AM
Moon Transit: 3:18 PM
Moonset: 10:13 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
2:48 PM - 5:18 PM

Minor Periods

9:43 PM - 11:13 PM
7:40 AM - 9:10 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Patchy rain nearby
88°F
62.7°F
75.4°F
75%
0.07 in
57%
0%
15 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 164.78 μg/m3
Nitrogen Dioxide: 8.75 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 97.54 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs mins
Moonrise: 9:26 AM
Moon Transit: 4:07 PM
Moonset: 10:35 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
3:37 PM - 6:07 PM

Minor Periods

10:05 PM - 11:35 PM
8:56 AM - 10:26 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
83.3°F
62.4°F
71.3°F
85%
0 in
16%
0%
15 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 3.35 μg/m3
PM10: 3.5 μg/m3
Carbon Monoxide: 243.63 μg/m3
Nitrogen Dioxide: 6.4 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 79.38 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 14 hrs 59 mins
Moonrise: 10:38 AM
Moon Transit: 4:52 PM
Moonset: 10:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

4:05 AM - 6:35 AM
4:22 PM - 6:52 PM

Minor Periods

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

Action Rating: 2 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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