Water Temperature of Lake Mendota in Madison, WI

Current Water Temperature

77.2°F

Measurement Time: Tuesday, August 8, 2023, 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

61°F
Mist
Conditions: Mist
Humidity: 90%
Feels Like: 61°F
Wind: SE 3.8 mph
Wind Gusts: 7.5 mph
Pressure: 30.24 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 4 mi
UV Index: 0.4

Five Day Weather Forecast

Partly Cloudy
Tue
H: 87°F
L: 53°F
Sunny
Wed
H: 84°F
L: 56°F
Cloudy
Thu
H: 85°F
L: 54°F
Patchy rain nearby
Fri
H: 76°F
L: 58°F
Moderate rain
Sat
H: 77°F
L: 58°F

Air Quality

AQI: 2 - Moderate
PM2.5: 11.29 μg/m3
PM10: 11.84 μg/m3
Carbon Monoxide: 419.95 μg/m3
Nitrogen Dioxide: 5.18 μg/m3
Sulphur Dioxide: 7.4 μg/m3
Ozone: 129 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:52 AM
Sunset: 7:05 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:38 AM
Moon Transit: 8:49 AM
Moonset: 4:51 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
8:52 PM - 11:22 PM

Minor Periods

4:21 PM - 5:51 PM
12:08 AM - 1:38 AM

Action Rating: 2 out of 5

Special Weather Statement issued September 16 at 5:51AM CDT by NWS Chicago IL

Effective: Tue September 16, 2025, 5:51 AM
Expires: Tue September 16, 2025, 8:30 AM

Patchy fog has developed early this morning across portions of interior northern Illinois outside of Chicago, some of which has become locally dense with visibilities of one quarter mile or less. Be prepared for sudden changes in visibility over short distances during the morning commute. Slow down, increase following distance, and use low beams when driving in fog.


Tuesday, September 16, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 68.7°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 11.4 μg/m3
PM10: 11.66 μg/m3
Carbon Monoxide: 477.82 μg/m3
Nitrogen Dioxide: 17.14 μg/m3
Sulphur Dioxide: 5.37 μg/m3
Ozone: 96.6 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:52 AM
Sunset: 7:05 PM
Daylight: 12 hrs 26 mins
Moonrise: 12:38 AM
Moon Transit: 8:49 AM
Moonset: 4:51 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
8:52 PM - 11:22 PM

Minor Periods

4:21 PM - 5:51 PM
12:08 AM - 1:38 AM

Action Rating: 2 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.4°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 4.5 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 15.55 μg/m3
PM10: 16.09 μg/m3
Carbon Monoxide: 481.74 μg/m3
Nitrogen Dioxide: 19.8 μg/m3
Sulphur Dioxide: 3.98 μg/m3
Ozone: 92.2 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:51 AM
Sunset: 7:03 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:51 AM
Moon Transit: 9:44 AM
Moonset: 5:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:14 AM - 11:44 AM

Minor Periods

4:54 PM - 6:24 PM
1:21 AM - 2:51 AM

Action Rating: 2 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 69.3°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 20.63 μg/m3
PM10: 21.36 μg/m3
Carbon Monoxide: 460.72 μg/m3
Nitrogen Dioxide: 23.11 μg/m3
Sulphur Dioxide: 5.88 μg/m3
Ozone: 96.28 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 12:51 AM
Sunset: 7:02 PM
Daylight: 12 hrs 20 mins
Moonrise: 3:05 AM
Moon Transit: 10:34 AM
Moonset: 5:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:04 AM - 12:34 AM

Minor Periods

5:20 PM - 6:50 PM
2:35 AM - 4:05 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 65.4°F
Average Humidity: 83%
Chance of Rain: 88%
Wind: 10.3 mph
UV Index: 1.1

Air Quality

AQI: 2 - Moderate
PM2.5: 17.75 μg/m3
PM10: 18.07 μg/m3
Carbon Monoxide: 382.06 μg/m3
Nitrogen Dioxide: 14.29 μg/m3
Sulphur Dioxide: 4.4 μg/m3
Ozone: 96.24 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:51 AM
Sunset: 7:00 PM
Daylight: 12 hrs 18 mins
Moonrise: 4:16 AM
Moon Transit: 11:20 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:50 AM - 1:20 PM

Minor Periods

5:42 PM - 7:12 PM
3:46 AM - 5:16 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 65.9°F
Average Humidity: 87%
Chance of Rain: 88%
Wind: 12.8 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 20.39 μg/m3
PM10: 20.83 μg/m3
Carbon Monoxide: 437.31 μg/m3
Nitrogen Dioxide: 21.92 μg/m3
Sulphur Dioxide: 4.65 μg/m3
Ozone: 81.15 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:50 AM
Sunset: 6:58 PM
Daylight: 12 hrs 15 mins
Moonrise: 5:24 AM
Moon Transit: 12:04 AM
Moonset: 6:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:34 AM - 2:04 PM

Minor Periods

6:01 PM - 7:31 PM
4:54 AM - 6:24 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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