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

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Lake Mendota

Station Name: Madison 2NW
Data Source: USGS

Elevation Above Sea Level: 846 feet / 258 meters

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 (8.0 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

25°F
Overcast
Conditions: Overcast
Humidity: 68%
Feels Like: 12.8°F
Wind: NW 14.5 mph
Wind Gusts: 23.2 mph
Pressure: 30.25 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Thu
H: 32°F
L: 27°F
Partly Cloudy
Fri
H: 27°F
L: 20°F
Heavy snow
Sat
H: 31°F
L: 24°F
Moderate or heavy snow showers
Sun
H: 27°F
L: 7°F
Overcast
Mon
H: 16°F
L: 0°F

Air Quality

AQI: 1 - Good
PM2.5: 2.05 μg/m3
PM10: 2.05 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 11:45 AM
Sunset: 4:25 PM
Daylight: 9 hrs 20 mins
Moonrise: 12:29 AM
Moon Transit: 5:47 PM
Moonset: 11:18 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

4:59 AM - 7:29 AM
5:17 PM - 7:47 PM

Minor Periods

12:00 AM - 12:00 AM
11:59 AM - 1:29 PM

Action Rating: 3 out of 5

Winter Storm Watch issued November 27 at 9:21AM CST until November 30 at 6:00AM CST by NWS Milwaukee/Sullivan WI

Effective: Thu November 27, 2025, 9:21 AM
Expires: Thu November 27, 2025, 5:30 PM

* WHAT...Heavy snow possible. Total snow accumulations in excess of 6 inches possible. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...From late Friday night through late Saturday night. * IMPACTS...Travel could be very difficult.

Monitor the latest forecasts for updates on this situation.


Winter Storm Watch issued November 27 at 2:00PM CST until November 30 at 6:00AM CST by NWS Milwaukee/Sullivan WI

Effective: Thu November 27, 2025, 2:00 PM
Expires: Thu November 27, 2025, 10:00 PM

* WHAT...Heavy snow possible. Total snow accumulations in excess of 6 inches possible. * WHERE...Portions of south central and southeast Wisconsin. * WHEN...From late Friday night through late Saturday night. * IMPACTS...Travel could be very difficult.

Monitor the latest forecasts for updates on this situation.


Winter Storm Watch issued November 27 at 2:00PM CST until November 30 at 6:00AM CST by NWS Milwaukee/Sullivan WI

Effective: Thu November 27, 2025, 2:00 PM
Expires: Thu November 27, 2025, 10:00 PM

* WHAT...Heavy snow possible. Total snow accumulations in excess of 6 inches possible. * WHERE...Dodge, Milwaukee, Ozaukee, Washington, and Waukesha Counties. * WHEN...From Saturday morning through late Saturday night. * IMPACTS...Travel could be very difficult.

Monitor the latest forecasts for updates on this situation.
Thursday, November 27, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 29.2°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 20.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 1.71 μg/m3
PM10: 1.72 μg/m3
Carbon Monoxide: 159.29 μg/m3
Nitrogen Dioxide: 2.84 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 11:45 AM
Sunset: 4:25 PM
Daylight: 9 hrs 20 mins
Moonrise: 12:29 AM
Moon Transit: 5:47 PM
Moonset: 11:18 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

4:59 AM - 7:29 AM
5:17 PM - 7:47 PM

Minor Periods

12:00 AM - 12:00 AM
11:59 AM - 1:29 PM

Action Rating: 3 out of 5

Friday, November 28, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 25.3°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 13.4 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 1.91 μg/m3
PM10: 1.92 μg/m3
Carbon Monoxide: 161.89 μg/m3
Nitrogen Dioxide: 3.37 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 69.72 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 11:45 AM
Sunset: 4:25 PM
Daylight: 9 hrs 19 mins
Moonrise: 12:50 AM
Moon Transit: 6:33 PM
Moonset: 12:18 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

5:45 AM - 8:15 AM
6:03 PM - 8:33 PM

Minor Periods

12:20 AM - 1:50 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, November 29, 2025

Weather Forecast

Conditions: Heavy snow
Average Temperature: 27.2°F
Average Humidity: 90%
Chance of Rain: 78%
Wind: 11.6 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 4.37 μg/m3
Carbon Monoxide: 204.17 μg/m3
Nitrogen Dioxide: 9.15 μg/m3
Sulphur Dioxide: 2.23 μg/m3
Ozone: 58.44 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 11:46 AM
Sunset: 4:25 PM
Daylight: 9 hrs 17 mins
Moonrise: 1:10 PM
Moon Transit: 8:12 PM
Moonset: 12:29 AM
Moon Phase: First Quarter
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

7:42 PM - 10:12 PM
7:42 PM - 10:12 PM

Minor Periods

12:40 AM - 2:10 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, November 30, 2025

Weather Forecast

Conditions: Moderate or heavy snow showers
Average Temperature: 24.3°F
Average Humidity: 90%
Chance of Rain: 86%
Wind: 18.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 4.07 μg/m3
PM10: 4.11 μg/m3
Carbon Monoxide: 176.61 μg/m3
Nitrogen Dioxide: 8.67 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 67.16 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 11:46 AM
Sunset: 4:24 PM
Daylight: 9 hrs 16 mins
Moonrise: 1:31 PM
Moon Transit: 8:07 PM
Moonset: 1:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:37 PM - 10:07 PM

Minor Periods

1:01 PM - 2:31 PM
1:12 AM - 2:42 AM

Action Rating: 2 out of 5

Monday, December 1, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 7.8°F
Average Humidity: 93%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 3.83 μg/m3
Carbon Monoxide: 175.08 μg/m3
Nitrogen Dioxide: 5.33 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 68.08 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 11:46 AM
Sunset: 4:24 PM
Daylight: 9 hrs 14 mins
Moonrise: 1:55 PM
Moon Transit: 8:58 PM
Moonset: 2:58 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

8:07 AM - 10:37 AM
8:28 PM - 10:58 PM

Minor Periods

1:25 PM - 2:55 PM
2:28 AM - 3:58 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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