Water Temperature of Lake Mendota in Madison, WI

Current Water Temperature

66.0°F 18.9°C
Cool Brisk & Refreshing
66.0°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Feels brisk on entry. Great for short dips; wetsuit recommended for extended swimming or water sports.

Measurement Time: Monday, June 1, 2026, 7:15 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: 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

47°F
Cloudy
Conditions: Cloudy
Humidity: 80%
Feels Like: 42.4°F
Wind: WSW 9.6 mph
Wind Gusts: 27.1 mph
Pressure: 29.98 in
Precipitation: 0 in
Cloud Cover: 66%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Sunny
Mon
H: 57°F
L: 37°F
Sunny
Tue
H: 59°F
L: 41°F
Overcast
Wed
H: 48°F
L: 42°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
8.5 μg/m³
Good
PM10
8.5 μg/m³
Good
Ozone (O3)
44 μg/m³
Photochemical
NO2
7.9 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
160 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 57m daylight
Sunrise 6:43 AM
Solar Noon 11:41 AM
Sunset 4:40 PM
Moon
New • 2%
Moonrise 7:20 AM
Transit 11:56 AM
Moonset 4:27 PM

Best Times for Fishing or Hunting

Major Periods

11:26 AM - 1:56 PM
11:51 PM - 2:21 AM

Minor Periods

6:50 AM - 8:20 AM
3:57 PM - 5:27 PM
Action Rating:
Very Good 4/5
Monday, November 9, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 46.6°F
Average Humidity: 73%
Chance of Rain: 11%
Wind: 13.2 mph
UV Index: 2

Astronomical

Sun
9h 57m daylight
Sunrise 6:43 AM
Solar Noon 11:41 AM
Sunset 4:40 PM
Moon
New • 2%
Moonrise 7:20 AM
Transit 11:56 AM
Moonset 4:27 PM

Best Times for Fishing or Hunting

Major Periods

11:26 AM - 1:56 PM
11:51 PM - 2:21 AM

Minor Periods

6:50 AM - 8:20 AM
3:57 PM - 5:27 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 48.3°F
Average Humidity: 67%
Chance of Rain: 7%
Wind: 8.3 mph
UV Index: 2.2

Astronomical

Sun
9h 55m daylight
Sunrise 6:44 AM
Solar Noon 11:41 AM
Sunset 4:39 PM
Moon
New • 0%
Moonrise 8:26 AM
Transit 12:46 PM
Moonset 5:04 PM

Best Times for Fishing or Hunting

Major Periods

12:16 PM - 2:46 PM
11:51 PM - 2:21 AM

Minor Periods

7:56 AM - 9:26 AM
4:34 PM - 6:04 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 45.1°F
Average Humidity: 76%
Chance of Rain: 49%
Wind: 12.1 mph
UV Index: 0.9

Astronomical

Sun
9h 52m daylight
Sunrise 6:46 AM
Solar Noon 11:41 AM
Sunset 4:38 PM
Moon
New • 2%
Moonrise 9:26 AM
Transit 1:38 PM
Moonset 5:49 PM

Best Times for Fishing or Hunting

Major Periods

12:42 AM - 3:12 AM
1:08 PM - 3:38 PM

Minor Periods

8:56 AM - 10:26 AM
5:19 PM - 6:49 PM
Action Rating:
Good Action 3/5
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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