Water Temperature of Lake Mendota in Madison, WI

Current Water Temperature

53.2°F

Measurement Time: Thursday, May 7, 2026, 10:15 AM CDT

Temperature Locations

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Local Points of Interest

Maple Bluff, WI; Shorewood Hills, WI; Middleton, WI; Waunakee, WI

Lake Mendota

Station Name: Madison 2NW
Data Source: USGS

Elevation Above Sea Level: 847 feet

Nearest Address:
Howard Temin Lakeshore Path
Madison, WI 53706
Dane County

GPS Coordinates: 43.0994, -89.4044

Nearby Water Temperatures

Lake Monona, Madison, WI (2.5 mi)
Pheasant Branch, Middleton, WI (5.4 mi)
Swan Creek, Fitchburg, WI (7.2 mi)
Yahara River, Windsor, WI (8 mi)
Badger Mill Creek, Verona, WI (10.9 mi)
Brewery Creek, Cross Plains, WI (11.8 mi)
Black Earth Creek, Cross Plains, WI (11.9 mi)
Sugar River, Verona, WI (12.6 mi)
Black Earth Creek, Cross Plains, WI (13.1 mi)
Black Earth Creek, Black Earth, WI (16.7 mi)
Eagle Spring Lake, Mukwonago, WI (51.8 mi)
Wisconsin River, Muscoda, WI (52.8 mi)
Fox River, Berlin, WI (63.2 mi)
Fond Du Lac River, Fond Du Lac, WI (67.7 mi)
Rock River, Byron, IL (67.9 mi)

Weather for Madison, Wisconsin

Current Weather

48.9°F
Sunny
Sunny
45.3°F
53.5°F
59%
SW 8.3 mph
9.8 mph
52.1°F
32.6°F
0 in
0%
9 mi
1010 mbar
1.6

Five Day Weather Forecast

Sunny
Fri
H: 72°F
L: 39°F
Patchy rain nearby
Sat
H: 60°F
L: 43°F
Sunny
Sun
H: 57°F
L: 36°F
Sunny
Mon
H: 59°F
L: 35°F
Moderate rain
Tue
H: 66°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 142.85 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 105 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

Frost Advisory issued May 7 at 10:05PM CDT until May 8 at 8:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Thu May 7, 2026, 10:05 PM
Expires: Fri May 8, 2026, 7:30 AM

* WHAT...Temperatures dropping into the lower to middle 30s will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 8 AM CDT Friday. * 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 8 at 4:49AM CDT until May 8 at 8:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Fri May 8, 2026, 4:49 AM
Expires: Fri May 8, 2026, 8:00 AM

* WHAT...Low temperatures in the lower to middle 30s will result in frost formation. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 8 AM CDT this morning. * 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. Cover them or bring them indoors.
Friday, May 8, 2026

Weather Forecast

Sunny
72°F
38.7°F
52.9°F
57%
0 in
0%
0%
10.1 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 8.34 μg/m3
PM10: 9.01 μg/m3
Carbon Monoxide: 171.73 μg/m3
Nitrogen Dioxide: 8.99 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 70.8 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
59.5°F
43.2°F
50.9°F
72%
0.01 in
88%
0%
16.1 mph
4.2


Air Quality

AQI: 1 - Good
PM2.5: 12.6 μg/m3
PM10: 13.77 μg/m3
Carbon Monoxide: 173.53 μg/m3
Nitrogen Dioxide: 11.28 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 70.52 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:54 AM
Sunset: 8:08 PM
Daylight: 14 hrs 28 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
56.8°F
35.7°F
46.4°F
67%
0 in
0%
0%
16.1 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 6.43 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 151.21 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 69.44 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

Monday, May 11, 2026

Weather Forecast

Sunny
59°F
34.7°F
47.2°F
65%
0 in
0%
0%
10.1 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 2.51 μg/m3
PM10: 2.62 μg/m3
Carbon Monoxide: 151.46 μg/m3
Nitrogen Dioxide: 5.91 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:54 AM
Sunset: 8:10 PM
Daylight: 14 hrs 32 mins
Moonrise: 2:51 AM
Moon Transit: 8:28 AM
Moonset: 2:16 PM
Moon Phase: Last Quarter
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

7:58 AM - 10:28 AM
8:25 PM - 10:55 PM

Minor Periods

1:46 PM - 3:16 PM
2:21 AM - 3:51 AM

Action Rating: 3 out of 5

Tuesday, May 12, 2026

Weather Forecast

Moderate rain
65.8°F
40.1°F
46.4°F
83%
0.4 in
78%
0%
20.6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.43 μg/m3
PM10: 4.52 μg/m3
Carbon Monoxide: 165.37 μg/m3
Nitrogen Dioxide: 10.63 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 55.23 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:54 AM
Sunset: 8:12 PM
Daylight: 14 hrs 35 mins
Moonrise: 3:11 AM
Moon Transit: 8:41 PM
Moonset: 3:27 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

8:11 PM - 10:41 PM
8:11 PM - 10:41 PM

Minor Periods

2:57 PM - 4:27 PM
2:41 AM - 4:11 AM

Action Rating: 4 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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