Water Temperature of Lake Mendota in Madison, WI

Current Water Temperature

55.2°F

Measurement Time: Friday, October 31, 2025, 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

28°F
Overcast
Overcast
16.4°F
27.7°F
75%
WNW 15.2 mph
20.2 mph
14.7°F
21.9°F
0 in
100%
9 mi
1012 mbar
0

Five Day Weather Forecast

Light freezing rain
Fri
H: 33°F
L: 25°F
Overcast
Sat
H: 32°F
L: 18°F
Cloudy
Sun
H: 28°F
L: 19°F
Sunny
Mon
H: 29°F
L: 15°F
Moderate or heavy snow showers
Tue
H: 39°F
L: 20°F

Air Quality

AQI: 1 - Good
PM2.5: 3.55 μg/m3
PM10: 3.55 μg/m3
Carbon Monoxide: 190.85 μg/m3
Nitrogen Dioxide: 4.65 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:11 AM
Sunset: 5:35 PM
Daylight: 10 hrs 47 mins
Moonrise: 8:05 AM
Moon Transit: 2:42 PM
Moonset: 9:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:12 PM - 4:42 PM

Minor Periods

9:04 PM - 10:34 PM
7:35 AM - 9:05 AM

Action Rating: 2 out of 5

Wind Advisory issued February 20 at 8:48AM CST until February 20 at 3:00PM CST by NWS Milwaukee/Sullivan WI

Effective: Fri February 20, 2026, 8:48 AM
Expires: Fri February 20, 2026, 3:00 PM

* WHAT...West winds 20 to 25 mph with gusts up to 45 mph. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Friday, February 20, 2026

Weather Forecast

Light freezing rain
32.9°F
25.2°F
31.4°F
87%
0.34 in
84%
27%
23.7 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.52 μg/m3
PM10: 3.68 μg/m3
Carbon Monoxide: 208.13 μg/m3
Nitrogen Dioxide: 4.91 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 65.04 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:11 AM
Sunset: 5:35 PM
Daylight: 10 hrs 47 mins
Moonrise: 8:05 AM
Moon Transit: 2:42 PM
Moonset: 9:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:12 PM - 4:42 PM

Minor Periods

9:04 PM - 10:34 PM
7:35 AM - 9:05 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Overcast
31.5°F
17.8°F
24.9°F
72%
0 in
0%
0%
15.2 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.6 μg/m3
PM10: 3.61 μg/m3
Carbon Monoxide: 197.85 μg/m3
Nitrogen Dioxide: 5.01 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 71.08 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:11 AM
Sunset: 5:37 PM
Daylight: 10 hrs 50 mins
Moonrise: 8:28 AM
Moon Transit: 3:31 PM
Moonset: 10:51 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
3:01 PM - 5:31 PM

Minor Periods

10:21 PM - 11:51 PM
7:58 AM - 9:28 AM

Action Rating: 3 out of 5

Sunday, February 22, 2026

Weather Forecast

Cloudy
28.2°F
18.5°F
23.8°F
63%
0 in
0%
0%
19.5 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 4.29 μg/m3
PM10: 4.34 μg/m3
Carbon Monoxide: 176.97 μg/m3
Nitrogen Dioxide: 4.62 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 72.2 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:11 AM
Sunset: 5:38 PM
Daylight: 10 hrs 53 mins
Moonrise: 8:54 AM
Moon Transit: 4:24 PM
Moonset: 12:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

3:32 AM - 6:02 AM
3:54 PM - 6:24 PM

Minor Periods

12:00 AM - 12:00 AM
8:24 AM - 9:54 AM

Action Rating: 2 out of 5

Monday, February 23, 2026

Weather Forecast

Sunny
28.6°F
14.9°F
20.5°F
55%
0 in
0%
0%
15.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.02 μg/m3
PM10: 2.09 μg/m3
Carbon Monoxide: 162.49 μg/m3
Nitrogen Dioxide: 3.02 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 77.96 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:10 AM
Sunset: 5:39 PM
Daylight: 10 hrs 56 mins
Moonrise: 9:27 AM
Moon Transit: 5:20 PM
Moonset: 12:09 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

4:26 AM - 6:56 AM
4:50 PM - 7:20 PM

Minor Periods

8:57 AM - 10:27 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, February 24, 2026

Weather Forecast

Moderate or heavy snow showers
38.7°F
19.9°F
28.2°F
66%
0.16 in
78%
26%
15 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.79 μg/m3
PM10: 3.83 μg/m3
Carbon Monoxide: 182.43 μg/m3
Nitrogen Dioxide: 5.47 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 73.31 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:10 AM
Sunset: 5:40 PM
Daylight: 10 hrs 59 mins
Moonrise: 10:09 AM
Moon Transit: 6:20 PM
Moonset: 1:27 AM
Moon Phase: First Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
5:50 PM - 8:20 PM

Minor Periods

9:39 AM - 11:09 AM
12:57 AM - 2:27 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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