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

64.9°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 73%
Feels Like: 64.9°F
Wind: SE 7.2 mph
Wind Gusts: 8.6 mph
Pressure: 30.22 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 2.8

Five Day Weather Forecast

Cloudy
Fri
H: 86°F
L: 53°F
Partly Cloudy
Sat
H: 92°F
L: 64°F
Mist
Sun
H: 82°F
L: 64°F
Sunny
Mon
H: 80°F
L: 60°F
Sunny
Tue
H: 83°F
L: 62°F

Air Quality

AQI: 2 - Moderate
PM2.5: 19.06 μg/m3
PM10: 19.98 μg/m3
Carbon Monoxide: 384.8 μg/m3
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 6.29 μg/m3
Ozone: 141 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:53 AM
Sunset: 7:12 PM
Daylight: 12 hrs 38 mins
Moonrise: 9:41 PM
Moon Transit: 4:47 AM
Moonset: 12:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
4:52 PM - 7:22 PM

Minor Periods

9:11 PM - 10:41 PM
12:17 AM - 1:47 PM

Action Rating: 4 out of 5

Dense Fog Advisory issued September 12 at 7:22AM CDT until September 12 at 10:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Fri September 12, 2025, 7:22 AM
Expires: Fri September 12, 2025, 10:00 AM

* WHAT...Areas of visibility of one quarter mile or less in dense fog. * WHERE...Fond du Lac, Dane, Green, and Sauk Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Be alert for sudden reductions in visibility during the morning commute.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued September 12 at 7:22AM CDT until September 12 at 10:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Fri September 12, 2025, 7:22 AM
Expires: Fri September 12, 2025, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Be alert for sudden reductions in visibility during the morning commute.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued September 12 at 7:22AM CDT until September 12 at 10:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Fri September 12, 2025, 7:22 AM
Expires: Fri September 12, 2025, 10:00 AM

* WHAT...Areas of visibility of one quarter mile or less in dense fog. * WHERE...Fond du Lac, Dane, Green, and Sauk Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Be alert for sudden reductions in visibility during the morning commute.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued September 12 at 7:22AM CDT until September 12 at 10:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Fri September 12, 2025, 7:22 AM
Expires: Fri September 12, 2025, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Be alert for sudden reductions in visibility during the morning commute.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Dense Fog Advisory issued September 12 at 7:22AM CDT until September 12 at 10:00AM CDT by NWS Milwaukee/Sullivan WI

Effective: Fri September 12, 2025, 7:22 AM
Expires: Fri September 12, 2025, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Be alert for sudden reductions in visibility during the morning commute.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Friday, September 12, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 65.8°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 18.89 μg/m3
PM10: 19.28 μg/m3
Carbon Monoxide: 468.12 μg/m3
Nitrogen Dioxide: 16.45 μg/m3
Sulphur Dioxide: 7.23 μg/m3
Ozone: 100.4 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:53 AM
Sunset: 7:12 PM
Daylight: 12 hrs 38 mins
Moonrise: 9:41 PM
Moon Transit: 4:47 AM
Moonset: 12:47 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
4:52 PM - 7:22 PM

Minor Periods

9:11 PM - 10:41 PM
12:17 AM - 1:47 PM

Action Rating: 4 out of 5

Saturday, September 13, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 76.1°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 16.09 μg/m3
PM10: 16.49 μg/m3
Carbon Monoxide: 455.77 μg/m3
Nitrogen Dioxide: 13.11 μg/m3
Sulphur Dioxide: 5.91 μg/m3
Ozone: 103.48 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:53 AM
Sunset: 7:10 PM
Daylight: 12 hrs 35 mins
Moonrise: 10:30 PM
Moon Transit: 5:47 AM
Moonset: 2:04 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
5:53 PM - 8:23 PM

Minor Periods

10:00 PM - 11:30 PM
1:34 PM - 3:04 PM

Action Rating: 2 out of 5

Sunday, September 14, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 71°F
Average Humidity: 89%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 20.32 μg/m3
PM10: 20.59 μg/m3
Carbon Monoxide: 557.81 μg/m3
Nitrogen Dioxide: 25.7 μg/m3
Sulphur Dioxide: 6.05 μg/m3
Ozone: 89.48 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:53 AM
Sunset: 7:09 PM
Daylight: 12 hrs 32 mins
Moonrise: 11:29 PM
Moon Transit: 6:49 AM
Moonset: 3:12 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

6:19 AM - 8:49 AM
6:55 PM - 9:25 PM

Minor Periods

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

Action Rating: 4 out of 5

Monday, September 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.2°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 20.34 μg/m3
PM10: 20.88 μg/m3
Carbon Monoxide: 545.45 μg/m3
Nitrogen Dioxide: 16.38 μg/m3
Sulphur Dioxide: 5.18 μg/m3
Ozone: 99.56 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:52 AM
Sunset: 7:07 PM
Daylight: 12 hrs 29 mins
Moonrise: 12:29 AM
Moon Transit: 7:50 AM
Moonset: 4:08 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
7:55 PM - 10:25 PM

Minor Periods

3:38 PM - 5:08 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 72°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 6 mph
UV Index: 6

Air Quality

AQI: 2 - Moderate
PM2.5: 25.96 μg/m3
PM10: 26.5 μg/m3
Carbon Monoxide: 552.87 μg/m3
Nitrogen Dioxide: 30.48 μg/m3
Sulphur Dioxide: 5.69 μg/m3
Ozone: 79.85 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

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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